| C | or Ceiling limit | | | | Details |
| c | center | | | | Details |
| C | Core Hole | | | | Details |
| C | Casing | | | | Details |
| C | Celsius | | | | Details |
| C | center(land description) | | | | Details |
| C | centigrade | | | | Details |
| c | coarse(ly) | | | | Details |
| C | Construction | | | | Details |
| C | Center Jet | | | | Details |
| c | critical | | | | Details |
| C | C Konserviert | | | | Details |
| C | Channel | | | | Details |
| C | Commercial | | | | Details |
| C | Connection | | | | Details |
| C | coulomb | | | | Details |
| c | revolution (cycle) | | | | Details |
| C | Construction | | | | Details |
| C | Conductor | | | | Details |
| C | Carbon | | | | Details |
| c | coal | | | | Details |
| c | core | | | | Details |
| C & E | Cause & Effect | | | | Details |
| C limit | or Ceiling limit | | | | Details |
| C O | Carbon Oxygen | | | | Details |
| C O | Carbon-Oxygen | | | | Details |
| C pump | Centrifugal Pump ("low pressure - high volume" pump to transfer liquid on rig site) | | | | Details |
| C term | Construction | | | | Details |
| C to C | center to center | | | | Details |
| C to E | center to end | | | | Details |
| C to F | center to face | | | | Details |
| C&A | compression and absorption plant | | | | Details |
| C&C | Circulate & Condition (ie mud) | | | | Details |
| C&C | circulate & condition | | | | Details |
| C&C | Construction & Commissioning | | | | Details |
| C&C | Circulating and conditioning | | | | Details |
| C&CH | circulated and conditioned hole | | | | Details |
| C&CM | circulated and conditioned mud | | | | Details |
| C&E | Well completion and equipment cost | | | | Details |
| C&E | Cause & Effect | | | | Details |
| C&F | Cost and Frieght | | | | Details |
| C&F | cost and freight | | | | Details |
| C&F | Cost With Freight | | | | Details |
| C&I | Control & Instrumentation | | | | Details |
| C&K | Choke & Kill (BOPs) | | | | Details |
| C&K | Choke and Kill | | | | Details |
| C&P | Cased & Perfed (completion type) | | | | Details |
| C&P | cased and perforated | | | | Details |
| C&P | cellar & pits | | | | Details |
| C&P | Contracting & Procurement | | | | Details |
| C&R | circulate and reciprocate | | | | Details |
| C&R | Conclusions & Recommendations | | | | Details |
| C&S | Cased and Suspended | | | | Details |
| C&S | Campana & Schott | | | | Details |
| C&W | coat and wrap(pipe) | | | | Details |
| C-C | Thru-Tubing Caliper | | | | Details |
| C-Cal | contact caliper | | | | Details |
| C-gr | coarse grained | | | | Details |
| C-IMS | Central Integrated Management System | | | | Details |
| C.I.F. | cost insurance and freight | | | | Details |
| c.min/(s.ft) | (revolution per second) per (foot per minute) | | | | Details |
| c.min/(s.m) | (revolution per second) per (meter per minute) | | | | Details |
| C.O.P. | completed on pump | | | | Details |
| C.P. | Cathodic protection or Corrosion Protection | | | | Details |
| c.s/(s.m) | (revolution per second) per (meter per second) | | | | Details |
| c.u. | GeoFrame legacy unit | | | | Details |
| C/ | contractor(i.e., C/John Doe) | | | | Details |
| C/A | commission agent | | | | Details |
| C/B | Crew Boat | | | | Details |
| C/BM | crawl beam | | | | Details |
| C/C | sshinC/sshinC | | | | Details |
| C/C | count ratio | | | | Details |
| C/C3 | coulomb per cubic centimeter | | | | Details |
| C/cm3 | coulomb per cubic centimeter | | | | Details |
| c/ft | revolution per thousand feet | | | | Details |
| C/G | coulomb per gram | | | | Details |
| C/g | coulomb per gram | | | | Details |
| C/H | Circulate to clean hole | | | | Details |
| C/H | cased hole | | | | Details |
| C/L | Control Line (the hydraulic line for controling SSSV and chemical injection in completion) | | | | Details |
| C/L | center line | | | | Details |
| C/M | Circulate to condition mud | | | | Details |
| c/m3 | revolution per cubic meter | | | | Details |
| c/min | revolution per minute | | | | Details |
| C/N | Class Number | | | | Details |
| C/O | Change Out | | | | Details |
| c/o | care of | | | | Details |
| C/O | Clean Out | | | | Details |
| C/O | Circulate Out | | | | Details |
| C/P | Circulate pill | | | | Details |
| C/P | CharterParty | | | | Details |
| C/S | Circulate for sample | | | | Details |
| C/S | Client Server | | | | Details |
| c/s | revolution per second | | | | Details |
| c/s2 | revolution per second per second | | | | Details |
| C/T | Change tools | | | | Details |
| C/T | Caing / Tubing | | | | Details |
| C/T | change tool | | | | Details |
| C/U | Clean Up | | | | Details |
| C/W | Complete With | | | | Details |
| C/W | Clockwise | | | | Details |
| C/W | Come With | | | | Details |
| c/w | Carried with | | | | Details |
| C/w | Comes with | | | | Details |
| C/X | sshinC / ssheX | | | | Details |
| C0 | C0 Kammerlift | | | | Details |
| C02 | Development Well-Carbon Dioxide | | | | Details |
| C0P | Counter 0 | | | | Details |
| C1 | Methane | | | | Details |
| C1 | through C5 hydrocarbons with one to five carbon atoms | | | | Details |
| C1 | Caliper 1 | | | | Details |
| C1 | Mathane | | | | Details |
| C1AT | HNGS Detector 1 Coincidence Spectrum | | | | Details |
| C1AZ | Caliper 1 Azimuth | | | | Details |
| C1BR | HNGS Detector 1 Coincidence Bad Baseline | | | | Details |
| C1DT | HNGS Detector 1 Coincidence Deadtime | | | | Details |
| C1FR | HNGS Detector 1 Coincidence Fast Channel | | | | Details |
| C1HR | HNGS Detector 1 Coincidence Downhole Total Count_Rate | | | | Details |
| C1OF | HNGS Detector 1 Coincidence Overflow | | | | Details |
| C1P | Counter 1 | | | | Details |
| C1PA | Caliper 1 Projected Azimuth | | | | Details |
| C1PU | HNGS Detector 1 Coincidence Pileup | | | | Details |
| C1R1 | STC Peak Coherence, Receiver Array - Lower Slowness_Time_Coherence | | | | Details |
| C1R2 | STC Peak Coherence, Receiver Array - Upper Slowness_Time_Coherence | | | | Details |
| C1R3 | STC Peak Coherence, Receiver Array - | | | | Details |
| C1R4 | STC Peak Coherence, Receiver Array - | | | | Details |
| C1RB | Caliper 1 Relative Bearing | | | | Details |
| C1REX | STC Peak Coherence, Receiver Array - | | | | Details |
| C1S | Delayed Caliper for Film Presentation | | | | Details |
| C1SP | HNGS Detector 1 Coincidence Spectrum | | | | Details |
| C1T1 | STC Peak Coherence, Transmitter Array - | | | | Details |
| C1T2 | STC Peak Coherence, Transmitter Array - | | | | Details |
| C1T3 | STC Peak Coherence, Transmitter Array - | | | | Details |
| C1T4 | STC Peak Coherence, Transmitter Array - | | | | Details |
| C1TEX | STC Peak Coherence, Transmitter Array - | | | | Details |
| C1TR | HNGS Detector 1 Coincidence Total | | | | Details |
| C2 | Ethane | | | | Details |
| C2 | Kondensat | | | | Details |
| C2 | Caliper 2 | | | | Details |
| C2/S | square centimeter per second | | | | Details |
| C2AT | HNGS Detector 2 Coincidence Spectrum | | | | Details |
| C2B | Consumer to business | | | | Details |
| C2BR | HNGS Detector 2 Coincidence Bad Baseline | | | | Details |
| C2DT | HNGS Detector 2 Coincidence Deadtime | | | | Details |
| C2FR | HNGS Detector 2 Coincidence Fast Channel | | | | Details |
| C2HR | HNGS Detector 2 Coincidence Downhole Total Count_Rate | | | | Details |
| C2IL | Volume of Anhydrite, Salt, Sand, | | | | Details |
| C2OF | HNGS Detector 2 Coincidence Overflow | | | | Details |
| C2P | Counter 2 | | | | Details |
| C2PU | HNGS Detector 2 Coincidence Pileup | | | | Details |
| C2R1 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R2 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R3 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R4 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2REX | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2S | Delayed Caliper for Film Presentation | | | | Details |
| C2SP | HNGS Detector 2 Coincidence Spectrum | | | | Details |
| C2T1 | STC Energy Peak Coherence, Transmitter | | | | Details |
| C2T2 | STC Energy Peak Coherence, Transmitter | | | | Details |
| C2T3 | STC Energy Peak Coherence, Transmitter | | | | Details |
| C2T4 | STC Energy Peak Coherence, Transmitter | | | | Details |
| C2TEX | STC Energy Peak Coherence, Transmitter | | | | Details |
| C2TR | HNGS Detector 2 Coincidence Total | | | | Details |
| C3 | Propane | | | | Details |
| C3 | cubic centimeter | | | | Details |
| C3 | Double R1 Radius (HDT) | | | | Details |
| C3/M | cubic centimeter per minute | | | | Details |
| C3/S | cubic centimeter per second | | | | Details |
| C3P | Counter 3 | | | | Details |
| C4 | Butane | | | | Details |
| C4 | Double R4 Radius (HDT) | | | | Details |
| C5 | Pentane | | | | Details |
| C6 | Hexanes | | | | Details |
| C7+ | Heavy Hydrocarbon Components | | | | Details |
| C7+ | Heavy Hydrocarbon Components | | | | Details |
| CA | Core Analysis Log | | | | Details |
| CA | Corrosion Allowance | | | | Details |
| CA | Certification Authority | | | | Details |
| CA | CANADA | | | | Details |
| CA | Chartered Accountant | | | | Details |
| CA | California | | | | Details |
| CA | Compressional Amplitude | | | | Details |
| CA | Dietz shape factors | | | | Details |
| CA | Capital Allocation | | | | Details |
| CA | Corporate Affairs | | | | Details |
| CA | Corrosion Allowance | | | | Details |
| CA | compression and absorption plant | | | | Details |
| CAA | Clean Air Act | | | | Details |
| CAA1 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA2 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA3 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA4 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAB | cabinet | | | | Details |
| CAB | cable | | | | Details |
| Cable | one of various braided cables, with or without isolated conductance wires, used for well operations | | | | Details |
| CaBr2 | calcium bromide | | | | Details |
| CAC | Competence Assurance Coordinator | | | | Details |
| CAC | Circumferential Acoustilog | | | | Details |
| CAC | Concequence Assessment Committee | | | | Details |
| CaCl2 | calcium chloride salt | | | | Details |
| CaCO3 | calcium carbonate | | | | Details |
| CACS | NPLC Acquisition Control Status | | | | Details |
| CAD | Computer Aided Design | | | | Details |
| CAD | computer-aided design | | | | Details |
| CAD | Canadian Dollar | | | | Details |
| CAD | Canadian dollar | | | | Details |
| Cadd | Caddell | | | | Details |
| CADE | Canadian Association of Drilling Engineers | | | | Details |
| CAEP | Conductive Anomaly on Even Pads of HDT | | | | Details |
| CAES | Compressed-Air Energy Storage | | | | Details |
| CAF | Currency adjusting factor (freight) | | | | Details |
| CAF | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CAF | Condensate Allocation Factor | | | | Details |
| CAFE | Corporate Average Fuel Economy | | | | Details |
| CAG | cut across grain | | | | Details |
| CAGC | A combine: Continental Oil Co., Atlantic Richfield Co., and Cities Service Oil Co. | | | | Details |
| CAGCT | Centre for Advanced Gas Combustion Technology | | | | Details |
| CAGR | compound annual growth rate | | | | Details |
| CAIR | Comprehensive Assessment Information Rule (under TSCA) | | | | Details |
| CAL | Caliper | | | | Details |
| CAL | Computed Gafillla | | | | Details |
| CAL | Section Gauge | | | | Details |
| CAL | Country Alert Level | | | | Details |
| cal | calcite, calcitic | | | | Details |
| cal | caliche | | | | Details |
| CAL | caliper log | | | | Details |
| cal | caliper survey | | | | Details |
| cal | calorie | | | | Details |
| CAL | Caliper Logging | | | | Details |
| CAL | Computer Analyzed Log | | | | Details |
| CAL | Four-Arm Caliber Log | | | | Details |
| CAL | Perforation Depth Control Log | | | | Details |
| CAL | Caltex Australia Ltd. Australia | | | | Details |
| CAL | calorie (international) | | | | Details |
| cal | calorie (international) | | | | Details |
| CAL | caliper diameter | | | | Details |
| CAL | Caliper | | | | Details |
| CAL1 | 4arm-Caliper1 | | | | Details |
| CAL1 | Caliper 1 | | | | Details |
| CAL2 | 4arm-Caliper2 | | | | Details |
| CAL2 | Caliper 2 | | | | Details |
| CAL3 | Caliper 3 | | | | Details |
| CAL4 | Caliper 4 | | | | Details |
| CAL5 | Caliper 5 | | | | Details |
| CAL6 | Caliper 6 | | | | Details |
| CAL7 | Caliper 7 | | | | Details |
| CAL8 | Caliper 8 | | | | Details |
| CALA | Calipet Analysis | | | | Details |
| CALA | Caliper Analysis | | | | Details |
| calc | calcareous | | | | Details |
| CALC | Caliper Curve | | | | Details |
| Calc | calcareous, calcerenite | | | | Details |
| Calc | calcium | | | | Details |
| Calc | calculate(ed), calculation | | | | Details |
| calc | gr calcium-base grease | | | | Details |
| CALC | Calcite | | | | Details |
| Calc, calctc | calcite (-ic) | | | | Details |
| Calct | calcite | | | | Details |
| CALD | Caliper interpreted from Density | | | | Details |
| cale | calceneous | | | | Details |
| CALE | Borehole Diameter from Electrical Caliper | | | | Details |
| CALH | LDS Caliper High Reference | | | | Details |
| CALHI | ADC Cal HI | | | | Details |
| CALHI_DL | ADC Cal HI | | | | Details |
| CALI | Caliper Log | | | | Details |
| CALI | Generalized Caliper | | | | Details |
| CALI | General Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALIBR | calibrate, calibration | | | | Details |
| CALIL | Caliper Log | | | | Details |
| CALI_FSI | Caliper from FSI* tool | | | | Details |
| CALI_TL | Caliper | | | | Details |
| CALL | LDS Caliper Low Reference | | | | Details |
| CALLO | ADC Cal LOW | | | | Details |
| CALLO_DL | ADC Cal LOW | | | | Details |
| CALM | Capture Aluminum | | | | Details |
| CALM | Catenary Anchor Leg Mooring | | | | Details |
| CALOG | Circumferential Acoustic Log | | | | Details |
| CALP | Caliper | | | | Details |
| CALQ | Combinable Shot Seismic Tool Caliper | | | | Details |
| CALR | Diameter from Resistivity Tool | | | | Details |
| CALS | Micro Resistivity Caliper | | | | Details |
| CALTEX | Various affiliates of Texaco Inc, and Chevron Corp. partnership — | | | | Details |
| CALU | Mean Diameter | | | | Details |
| Calv | Calvin | | | | Details |
| CALVE | Calibrated Velocity Log Data | | | | Details |
| CALX | Caliper from X-Axis of X-Y Caliper(s) | | | | Details |
| CALX | Second Caliper | | | | Details |
| CAM | Contract Accountable Manager | | | | Details |
| CAM | Corporate Annual Meeting | | | | Details |
| Camb | cambrian | | | | Details |
| CAMEL | Companie Algerienne du Methane Liquide France/Algeria | | | | Details |
| CAMPSA | Compania Arrendataria del Monopolio de Petroleos, S.A. (sub. of Repsol) Spain | | | | Details |
| CAMS | Competence Assurance Management System | | | | Details |
| CAN | CANADA | | | | Details |
| CAN1 | Conductive Anomalies for Pad 1 | | | | Details |
| CAN2 | Conductive Anomalies for Pad 2 | | | | Details |
| CAN3 | Conductive Anomalies for Pad 3 | | | | Details |
| CAN4 | Conductive Anomalies for Pad 4 | | | | Details |
| Cane | Riv Cane River | | | | Details |
| CANL | Computer Analysis | | | | Details |
| CanOxy | Canadian Occidental Petroleum Ltd. | | | | Details |
| CANP | Current Annulus Pressure | | | | Details |
| Cany | canyon | | | | Details |
| CAO | Chief Accounting Officer|| | Chief Accounting Officer | Chief Accounting Officer | Chief Accounting Officer | Details |
| CAO | Chief Administrative Officer|| | Chief Administrative Officer | Chief Administrative Officer | Directeur administratif | Details |
| CAO | Chief Analytics Officer|| | Chief Analytics Officer | Chief Analytics Officer | Chief Analytics Officer | Details |
| CAO | Computer Aided Operations | | | | Details |
| CaO | calcium oxcide | | | | Details |
| CAO | Chief Accounting Officer | | | | Details |
| CAO | Chief Administrative Officer | | | | Details |
| CAO | Chief Analytics Officer | | | | Details |
| CAO | Chief Accounting Officer | | | | Details |
| CAODC | Canadian Association of Oilwell Drilling Contractors | | | | Details |
| CAODS | Canadian Association of Oilwell Drilling Contractors | | | | Details |
| CAOF | calculated absolute open flow A theoretical figure of a wells maximum production | | | | Details |
| CAOF | calculated absolute open flow | | | | Details |
| CAOP | Conductive Anomalies on Odd Pads | | | | Details |
| CAP | Casing Annulus Packer | | | | Details |
| CAP | Central Asia Petroleum | | | | Details |
| CAP | Condition Assessment Programme | | | | Details |
| Cap | Capacity | | | | Details |
| CAP | EX Capital expenditure | | | | Details |
| cap | capacitor | | | | Details |
| Cap | Captain | | | | Details |
| CAP1 | Plus Calibration Large Arm | | | | Details |
| CAP2 | Plus Calibration Small Arm | | | | Details |
| CAPAG | Entreprise Moderne de Canalisations Petrolieres, Aquiferes et Gasieres France | | | | Details |
| CAPEX | Capital Expenditure | | | | Details |
| CAPEX | Capital Expenditures | | | | Details |
| CAPEX | Capital Expenditure (Cost) | | | | Details |
| CAPI | capillary | | | | Details |
| CAPM | Capital asset pricing model | | | | Details |
| CAPP | Canadian Association of Petroleum Producers | | | | Details |
| CAPP | Canadian Association of Petroleum Producers | | | | Details |
| CAPS | Corrective Action Preventive System | | | | Details |
| CAR | Company Appointed Representative | | | | Details |
| CAR | Corrective Action Request | | | | Details |
| CAR | Corporate Activity Report | | | | Details |
| Car | Carlile | | | | Details |
| CAR1 | Rotated Caliper 1 According to RB | | | | Details |
| CAR2 | Rotated Caliper 2 According to RB | | | | Details |
| CAR3 | Rotated Caliper 3 According to RB | | | | Details |
| CAR4 | Rotated Caliper 4 According to RB | | | | Details |
| carb | carbonaceous | | | | Details |
| carb | test carbontetrachloride | | | | Details |
| CARB | Carbonate | | | | Details |
| CARB | Volume of Carbon | | | | Details |
| CARBESA | Carbon Black Espanola S.A. Spain | | | | Details |
| Caren | cavernous | | | | Details |
| Carm | Carmel | | | | Details |
| CART | Cam Actuated Running Tool (Housing Running Tool) | | | | Details |
| CART | Cap Replacement Tool | | | | Details |
| CART_TEMP | Cartridge Temperature | | | | Details |
| CART_TEMP_SL | Cartridge Temperature - Station Log | | | | Details |
| CAS | Casing Log | | | | Details |
| CAS | Casing Run | | | | Details |
| CAS | Chemical Abstracts Service (see comment) | | | | Details |
| CAS | Condition Assessment Scheme | | | | Details |
| CAS | Chemical Abstracts Service | | | | Details |
| CAS | Chemical Abstract Service | | | | Details |
| CAS | Casing Run | | | | Details |
| CAS1 | Casing Number 1 Radius | | | | Details |
| CAS2 | Casing Number 2 Radius | | | | Details |
| CAS3 | Casing Number 3 Radius | | | | Details |
| CASE | Computer-aided Software Engineering | | | | Details |
| Casing) | (Thru | | | | Details |
| CASING_PRES | Casing pressure | | | | Details |
| CASL | Computer Acoustic | | | | Details |
| CaSO4 | calcium sulfate | | | | Details |
| Casoc | California Arabian Standard Oil Company | | | | Details |
| Casp | Casper | | | | Details |
| Casph | calcisphaera | | | | Details |
| CAST | Circumfrential Accoustic Tool (HES) | | | | Details |
| CAST | Circumferential Acoustic Scanning | | | | Details |
| CASW | Casing Weight | | | | Details |
| CASZ | ECSC Acquisition Control Status | | | | Details |
| CAT | computer-aided tomography | | | | Details |
| CAT | carburetor air temperature | | | | Details |
| Cat | Catahoula | | | | Details |
| CAT | catalog | | | | Details |
| CAT | catalyst, catalytic | | | | Details |
| cat | ckr catalytic cracker | | | | Details |
| Cat | Crk Cat Creek | | | | Details |
| CAT | Corrective Action Team | | | | Details |
| CATe | Core Asset Team | | | | Details |
| cath | cathodic | | | | Details |
| CATR | Clean Air Transportation Rule | | | | Details |
| CATS | Cableless Telemetry System | | | | Details |
| CATS | Cross-Application Time Sheet | | | | Details |
| CATT | Capabilities & Technology Team | | | | Details |
| caus | caustic | | | | Details |
| cav | cavity | | | | Details |
| Cav | caving | | | | Details |
| Cav; cav | cavern (-ous) | | | | Details |
| CAVL | Compensated Acoustic Velocity | | | | Details |
| CAW | Completions and Workovers | | | | Details |
| CAZ1 | Zero Calibration Large Arm | | | | Details |
| CAZ2 | Zero Calibration Small Arm | | | | Details |
| CAZI | Calibrated azimuth | | | | Details |
| CB | Crew Boat | | | | Details |
| CB | Core Barrel | | | | Details |
| CB | CAMBODIA | | | | Details |
| CB | changed(ing) bits | | | | Details |
| CB | continuous blowdown | | | | Details |
| CB | counterbalance(pumping equip.) | | | | Details |
| CB | Bulk Compressibility | | | | Details |
| cb | carbonized | | | | Details |
| CB1 | Conductivity of Button 1 of SHDT | | | | Details |
| CB1A | Conductivity of Button 1A of SHDT | | | | Details |
| CB2 | Conductivity of Button 2 of SHDT | | | | Details |
| CB2A | Conductivity of Button 2A of SHDT | | | | Details |
| CB3 | Conductivity of Button 3 of SHDT | | | | Details |
| CB3A | Conductivity of Button 3A of SHDT | | | | Details |
| CB4 | Conductivity of Button 4 of SHDT | | | | Details |
| CB4A | Conductivity of Button 4A of SHDT | | | | Details |
| CBA | Commercial Bid Assessment | | | | Details |
| CBA | ECS Capture Barium Relative Yield | | | | Details |
| CBAS | ECS Capture Barite Relative Yield | | | | Details |
| CBCP | Current Blender Proppant Concentration | | | | Details |
| CBD | Competence Based Development | | | | Details |
| CBD | Commercial Bank of Dubai | | | | Details |
| CBD | Casing Bottom Driller | | | | Details |
| CBDM3 | Borehole-compensated average deep button | | | | Details |
| CBDN | Bulk Density from Core | | | | Details |
| CBDR | Casing Bottom of Driller | | | | Details |
| CBE | Commercial Bid Evaluation | | | | Details |
| CBF | Coiled Tubing Firing Head | | | | Details |
| CBFD | Current Base Fluid Density | | | | Details |
| CBFI | Current Base Fluid Index | | | | Details |
| CBFK | Current Base Fluid K' | | | | Details |
| CBFN | Current Base Fluid N' | | | | Details |
| CBFP | Current Base Fluid Relative Permeability | | | | Details |
| CBFS | CBL Amplitude (Far Spacing) | | | | Details |
| CBFT | CuBic FeeT | | | | Details |
| CBFT | Current Base Fluid Rheology Model | | | | Details |
| CBG | Coalbed gas | | | | Details |
| CBHP | Constant Bottomhole Pressure | | | | Details |
| CBHT | circulating bottom hole temperature | | | | Details |
| CBI | confidential business information | | | | Details |
| CBIL | CBIL Log | | | | Details |
| CBIL | Circumferential Borehole Imaging Log | | | | Details |
| CBJ | carbide blast joint | | | | Details |
| CBK | Commercial Bank of Kuwait | | | | Details |
| CBL | Cement Bond Log (measurement of casing cement integrity) | | | | Details |
| CBL | Cement Bond Log | | | | Details |
| CBL | Acoustic Cement Bond | | | | Details |
| CBL | cable(ing) | | | | Details |
| CBL | Cement Bond Logging | | | | Details |
| CBL | Acoustic Cement Bond Log | | | | Details |
| CBL | Casing Bottom Logger | | | | Details |
| Cbl | cobbles | | | | Details |
| CBL | CBL Amplitude | | | | Details |
| Cbl | cobble | | | | Details |
| CBL GRN | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL N | Acoustic Cement Bond Neutron | | | | Details |
| CBL-GR | Cement Bond-Gamma Ray Logging | | | | Details |
| CBL-GRN | Cement Bond-Gamma Ray Neutron | | | | Details |
| CBL-N | Cement Bond-Neutron | | | | Details |
| CBL-VD | Variable Density Logging | | | | Details |
| CBL-VD | Cement Bond-Variable Density Logging | | | | Details |
| CBL/GR | Acoustic Cement Bond Gamma Ray | | | | Details |
| CBL/GR/NEU | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL/NEU | Acoustic Cement Bond Neutron | | | | Details |
| CBL5 | CBL Amplitude (5 f Spacing) | | | | Details |
| CBLF | CBL Amplitude Fluid Compensated | | | | Details |
| CBLO | Logger Casing Shoe Depth | | | | Details |
| CBM | Choke Bridge Module XT Choke | | | | Details |
| CBM | Coal Bed Methane | | | | Details |
| CBM | Conventional Buoy Mooring | | | | Details |
| CBM | Choke Bridge Module - XT Choke | | | | Details |
| CBM | choke bridge module XT choke | | | | Details |
| CBM | Controlled Beam Migration | | | | Details |
| CBM | Condition Based Maintenance | | | | Details |
| CBMM2 | Borehole-compensated average medium button Medium_Resistivity | | | | Details |
| CBND | Cement Bond | | | | Details |
| CBNG | coal bed natural gas | | | | Details |
| CBNG | coalbed natural gas | | | | Details |
| CBO | Commercial Bank of Oman | | | | Details |
| CBOE | Chicago Board Options Exchange | | | | Details |
| CBOT | Chicago Board of Trade | | | | Details |
| CBP | Composite Bridge Plug | | | | Details |
| CBP | Country Business Plan | | | | Details |
| CBQ | Commercial Bank of Qatar | | | | Details |
| CBR | interactions between Crude oil/Brine/Rock | | | | Details |
| CBR | Crude oil/Brine/Rock | | | | Details |
| CBSL | CBL Amplitude (Sliding Gate) | | | | Details |
| CBSM1 | Borehole-compensated average shallow | | | | Details |
| CBST | Status of CBT | | | | Details |
| CBT | Computer Based Training | | | | Details |
| CBT | cement bond tool | | | | Details |
| CBT | Controlled Breakdown Technique | | | | Details |
| CBT | Cement Bond Tool | | | | Details |
| CBTS | CBT Status | | | | Details |
| CBTT | Combinable Borehole Televiewer Tool | | | | Details |
| CBU | Circulate Bottoms Up | | | | Details |
| CBVW | Capture Mode Bulk Volume Water | | | | Details |
| CBW | Clay Bound Water | | | | Details |
| CBW | Clay Bound Water (T2 from 0.3 to 3 milliseconds), | | | | Details |
| CC | Control Cabin|| | Control Cabin | Steuerkabine | cabine de contrôle | Details |
| CC | Carbon Copy | | | | Details |
| cc | cubic centimeter | | | | Details |
| CC | Cracked Cone | | | | Details |
| CC | COCOS (KEELING) ISLANDS | | | | Details |
| CC | casing choke (upper case) | | | | Details |
| CC | Compensated Porosity | | | | Details |
| CC | calcium chloride | | | | Details |
| CC | casing cemented(depth) | | | | Details |
| CC | closed cup | | | | Details |
| CC | Chemical Cutters | | | | Details |
| CC | Corrosion Coupns | | | | Details |
| CC | Control Cabin | | | | Details |
| CC | Climate Change | | | | Details |
| cc | GeoFrame legacy unit | | | | Details |
| CC | Creaming Curve | | | | Details |
| CC | Country Code | | | | Details |
| CC | Corrosion Coupon | | | | Details |
| CC | Cost Card | | | | Details |
| CC | Conventional Coring | | | | Details |
| CC | Circulate & Condition (ie mud) | | | | Details |
| CC | circulate & condition | | | | Details |
| CC | Construction & Commissioning | | | | Details |
| CC | Circulating and conditioning | | | | Details |
| CC0 | Counter Channel 0 | | | | Details |
| CC01 | Caliper Conductivity, Azimuth 1 | | | | Details |
| CC02 | Caliper Conductivity, Azimuth 2 | | | | Details |
| CC03 | Caliper Conductivity, Azimuth 3 | | | | Details |
| CC04 | Caliper Conductivity, Azimuth 4 | | | | Details |
| CC05 | Caliper Conductivity, Azimuth 5 | | | | Details |
| CC06 | Caliper Conductivity, Azimuth 6 | | | | Details |
| CC07 | Caliper Conductivity, Azimuth 7 | | | | Details |
| CC08 | Caliper Conductivity, Azimuth 8 | | | | Details |
| CC09 | Caliper Conductivity, Azimuth 9 | | | | Details |
| CC1 | 1-2-1/16-in. (25-52mm) Pipe | | | | Details |
| CC1 | Crosscorrelation 1 (IN VSP) | | | | Details |
| CC10 | Caliper Conductivity, Azimuth 10 | | | | Details |
| CC11 | Caliper Conductivity, Azimuth 11 | | | | Details |
| CC12 | Caliper Conductivity, Azimuth 12 | | | | Details |
| CC1C | Isolation AMP Offset for Center Electrode | | | | Details |
| CC1L | Casing Number 1 Collars and Centralizers - None | | | | Details |
| CC1R | Casing Number 1 Collars and Centralizers - None | | | | Details |
| CC1U | Isolation AMP Offset for Upper Electrode | | | | Details |
| CC2 | 2-3 / 8-4-in. (60-102mm) Pipe | | | | Details |
| CC2 | Counter Channel 2 | | | | Details |
| CC2C | Isolation AMP, D3-A3 Current, Center | | | | Details |
| CC2L | Casing Number 2 Collars and Centralizers - None | | | | Details |
| CC2R | Casing Number 2 Collars and Centralizers - None | | | | Details |
| CC2U | Isolation AMP, D3-A3 Current, Upper | | | | Details |
| CC3 | 4-1 / 4-5-9-/ 16 in. (108-141 mm) Pipe | | | | Details |
| CC3 | Counter Channel 3 | | | | Details |
| CC3L | Casing Number 3 Collars and Centralizers - None | | | | Details |
| CC3R | Casing Number 3 Collars and Centralizers - None | | | | Details |
| CCA | Conventional Core Analysis | | | | Details |
| CCA | Cut Casing | | | | Details |
| CCA | ECS Capture Calcium Relative Yield | | | | Details |
| CCA | Cut Casing | | | | Details |
| CCAC | Climate & Clean Air Coalition | | | | Details |
| CCAT | Theoretical CCA value | | | | Details |
| ccBU | circulate bottoms up | | | | Details |
| CCBU | Crosscorrelation Buffer | | | | Details |
| CCC | Consolidated Contractors Company | | | | Details |
| CCC | Clean Caribbean Cooperative (—) | | | | Details |
| CCC | Central Control Console | | | | Details |
| CCCA | Corrected Capture Calcium Relative Yield | | | | Details |
| CCCL | CBT Casing Collar Locator Amplitude | | | | Details |
| CCCOP | Conservation Committee of California Oil Producers | | | | Details |
| CCCS | Clean Current Cost of Supply | | | | Details |
| CCD | Casing Collar Depth | | | | Details |
| CCDF | Conditional Cumulative Distribution Function | | | | Details |
| CCDST | closed chamber DST | | | | Details |
| CCDW | CCL Downhole Command Echo | | | | Details |
| CCE | Constant Composition Expansion (type of PVT analysis) | | | | Details |
| CCE | Constant Composition Expansion | | | | Details |
| CCEA | Cabinet Committee on Economic Affairs | | | | Details |
| CCF | Cost Carry Forward | | | | Details |
| CCF | 100 Cubic Feet | | | | Details |
| CCFE | Corrected Capture Iron Relative Yield | | | | Details |
| CCFI | Consulting Center for Finance and Investment | | | | Details |
| CCGD | Corrected Capture Gadolinium Relative | | | | Details |
| CCGT | Combined Cycle Gas Turbine | | | | Details |
| CCH | circulated and conditioned hole | | | | Details |
| cche | caliche | | | | Details |
| CCHF | center of casinghead flange | | | | Details |
| CCHI | Capture Chi-square from GST-A/IGT Spectral Chi_Square | | | | Details |
| CCHL | ECS Capture Chlorine Relative Yield | | | | Details |
| CCHT | Core Chart Log | | | | Details |
| CCIC | Consolidated Contractors International Company | | | | Details |
| CCK | COCOS (KEELING) ISLANDS | | | | Details |
| Cck | casing choke | | | | Details |
| CCK | Corrected Capture Potassium Relative Yield Potassium_Yield | | | | Details |
| CCL | Casing Collar Locator | | | | Details |
| CCL | casing collar locator log | | | | Details |
| CCL | Casing Collar | | | | Details |
| CCL | Perforation Depth Control Log | | | | Details |
| CCL | Casing Collar Locator Amplitude | | | | Details |
| CCL | Casing Collar Locator Amplitude | | | | Details |
| CCL1 | Ultrasonic Casing Collar Locator 1 | | | | Details |
| CCL2 | Ultrasonic Casing Collar Locator 2 | | | | Details |
| CCL3 | Ultrasonic Casing Collar Locator 3 | | | | Details |
| CCL4 | Ultrasonic Casing Collar Locator 4 | | | | Details |
| CCLC | CCL Computed Amplitude | | | | Details |
| CCLD | CCL Discriminated Amplitude | | | | Details |
| CCLGO | cat-cracked light gas oil | | | | Details |
| CCLM | Monitor CCL | | | | Details |
| CCLP | Casing Collar Locator Perforation | | | | Details |
| CCLTP | Casing Collar Locator Through Tubing Plug | | | | Details |
| CCLU | Casing Collar Locator Ultrasonic | | | | Details |
| CCM | condensate-cut mud | | | | Details |
| CCM | circulated and conditioned mud | | | | Details |
| CCMN | Carbon/Oxygen, Corrected, Minimum | | | | Details |
| CCMO | Credit Commercial du Moyen Orient | | | | Details |
| CCMR | CCL Actual Message Rate | | | | Details |
| CCMX | Carbon/Oxygen, Corrected, Maximum | | | | Details |
| CCN | Caliper Corrected Neutron | | | | Details |
| CCOD | Current Concentrator Out Density | | | | Details |
| CCP | Cathodic Corrosion Protection | | | | Details |
| CCP | central compressor plant | | | | Details |
| CCP | critical compression pressure | | | | Details |
| CCP | Caliper Casing Properties | | | | Details |
| CCP | Cumulative Condensate Production | | | | Details |
| CCPL | Caliper Casing Properties Measurement | | | | Details |
| CCPR | casing collar perforating record | | | | Details |
| CCPS | Caliper Casing Properties Measurement | | | | Details |
| CCPV | Charge Concentration per Unit Pore Volume | | | | Details |
| CCR | Change Control Request | | | | Details |
| CCR | Continuous Catalytic Reformer | | | | Details |
| CCR | Central Control Room | | | | Details |
| CCR | Conradson carbon residue | | | | Details |
| CCR | critical compression ratio | | | | Details |
| CCRE | Correlation Curve Resistivity | | | | Details |
| CCRT | Coct Control Reporting Tool (SAP Report) | | | | Details |
| CCS | Carbon Capture & Sequestration | | | | Details |
| CCS | Continuous Circulation System | | | | Details |
| CCS | Current Cost of Supply | | | | Details |
| CCS | Carbon (CO2) Capture & Sequestration | | | | Details |
| CCS | carbon capture and sequestration | | | | Details |
| CCS | California Coordinate System | | | | Details |
| CCS | cast carbon steel | | | | Details |
| CCS | computer control system | | | | Details |
| CCSI | Corrected Capture Silicon Relative Yield | | | | Details |
| CCSP | Current Casing Pressure | | | | Details |
| CCSU | Corrected Capture Sulfur Relative Yield | | | | Details |
| CCT | Closed Chamber Test | | | | Details |
| CCT | concentric coiled tubing | | | | Details |
| CCTE | Temperature | | | | Details |
| CCTI | Corrected Capture Titanium Relative Yield | | | | Details |
| CCTR | Cost Center | | | | Details |
| CCTS | Cable Cutter Tool sub | | | | Details |
| CCTV | Closed-Circuit TeleVision | | | | Details |
| CCTV | Closed Circuit Television | | | | Details |
| CCU | catalytic cracking unit | | | | Details |
| CCU | Carbon Capture and Utilization | | | | Details |
| CCUS | Carbon Dioxide Capture, Utilization and Storage | | | | Details |
| CCW | Counter Clock-Wise | | | | Details |
| ccw | counterclockwise | | | | Details |
| CD | Chart Datum | | | | Details |
| CD | Core Description | | | | Details |
| CD | Cost Depth chart | | | | Details |
| CD | Coned Dragged | | | | Details |
| CD | CHAD | | | | Details |
| CD | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| Cd | cadmium | | | | Details |
| CD | Calendar Day | | | | Details |
| CD | cold drawn | | | | Details |
| CD | contract depth | | | | Details |
| CD | Corporate Development | | | | Details |
| CD | candela | | | | Details |
| cd | candela | | | | Details |
| CD | Corporate Design | | | | Details |
| CD | Closed Drain | | | | Details |
| CD-I | Compact Disc-Interactive | | | | Details |
| CD-PL | cadmium plate | | | | Details |
| CDAT | Calibration Date | | | | Details |
| CDATA | Core Data | | | | Details |
| CDB | cement dump bailer | | | | Details |
| CDB | common data base | | | | Details |
| CDBC | Deep Induction Borehole Corrected | | | | Details |
| CDBD | Resistivity Deep Button down from RAB | | | | Details |
| CDBTF | common data base task force | | | | Details |
| CDBU | Resistivity Deep Button up from RAB | | | | Details |
| CDC | Career Development Center | | | | Details |
| CDC | Compensated Density Caliper | | | | Details |
| CDCL | Compensated Densilog Caliper | | | | Details |
| CDCL | ECS Capture Chlorine Borehole Minus | | | | Details |
| CDCL GR | Compensated Densilog Caliper Gamma Ray | | | | Details |
| CDCR | Deep Induction Electronic Calibrated Real | | | | Details |
| CDCX | Deep Induction Electronic Calibrated Quad | | | | Details |
| CDD | Continuous Dipmeter Digital | | | | Details |
| CDDS | C - D Diametral Shift | | | | Details |
| CDE1 | CSAT-1 Deviation | | | | Details |
| CDE2 | CSAT-2 Deviation | | | | Details |
| CDE3 | CSAT-3 Deviation | | | | Details |
| CDE4 | CSAT-4 Deviation | | | | Details |
| CDEB | Deep Induction Enhanced Borehole Corrected Deep_Induction_Conductivity | | | | Details |
| CDER | Deep Induction Enhanced Resolution Phasor | | | | Details |
| CDEV | Calibrated Borehole Deviation | | | | Details |
| CDF | Cumulative Density (Distribution) Function | | | | Details |
| CDF | Francs | | | | Details |
| CDF | Calibrated Downhole Force | | | | Details |
| CDF | Cumulative Distribution Functions | | | | Details |
| CDF | Cognite data fusion | | | | Details |
| CDG | colloidal-dispersion gels | | | | Details |
| CDGs | colloidal-dispersion gels | | | | Details |
| CDHR | Conductivity Deep Induction HiRes Phasor | | | | Details |
| CDI | Connate Water Compressibility Index | | | | Details |
| CDIS | CDI Synthetic Seismic Log | | | | Details |
| CDL | Compensated Density Log | | | | Details |
| CDL | compensated formation density log | | | | Details |
| CDL | Compensat ed Density | | | | Details |
| CDL | Compensated Density | | | | Details |
| CDL | cut drilling line | | | | Details |
| CDL | Compensated Densilog | | | | Details |
| CDL | Compensated Densilog | | | | Details |
| CDL/CAL | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/ | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Densilog Caliber Gamma Ray Log | | | | Details |
| CDL/CAL/ML | Compensated Densilog Caliper Minilog | | | | Details |
| CDLC GRN | Compensated Densilog Caliper G/R Neutron | | | | Details |
| CDLC M | Compensated Densilog Caliper Minilog | | | | Details |
| CDLC N | Compensated Densilog Caliper Neutron | | | | Details |
| CDLR | Deep Induction Test-loop Calibrated Real | | | | Details |
| CDLX | Deep Induction Test-loop Calibrated Quad | | | | Details |
| CDM | Continuous Dipmeter | | | | Details |
| CDM | Continuous Dip Meter | | | | Details |
| CDM | Diplog or Resistivity Dip | | | | Details |
| CDM | continuous dipmeter survey | | | | Details |
| CDM | Change and Data Management | | | | Details |
| CDM | Casing Drive Mechanism | | | | Details |
| CDMD | Continuous Dip Meter - Digital | | | | Details |
| CDN | Compensated Density Neutron | | | | Details |
| CDN | Compensated Density Neutron Tool | | | | Details |
| CDO | certified drawing outline | | | | Details |
| CDO | Collateralized debt obligation | | | | Details |
| CDP | Comprehensive Drilling Plan | | | | Details |
| CDP | Common Depth Point (geophysics) | | | | Details |
| CDP | Common Depth Point | | | | Details |
| CDP | Central Delivery Point | | | | Details |
| CDP | Conductivity Derived Porosity | | | | Details |
| CDP | Carbon Disclosure Project | | | | Details |
| CDPNE | College Degree Program for Non-Employees | | | | Details |
| CDPT | Corrected Depth | | | | Details |
| CDR | Compensated Dual Resistivity | | | | Details |
| CDR | Council for Development and Reconstruction | | | | Details |
| Cdr | Mtn Cedar Mountain | | | | Details |
| CDR | Continuous Directional Survey | | | | Details |
| CDR | Compensated Dual Resistivity Tool | | | | Details |
| CDR6 | Radial Current Density 6 ft | | | | Details |
| CDRA | Radial Current Density | | | | Details |
| CDRB | Radial Current Density For Bad Contact | | | | Details |
| CDRCL | Compensated Dual Resistivity Cal. Log | | | | Details |
| CDRM | Deep Induction Response Matched | | | | Details |
| CDRT | Completion Design Review Team | | | | Details |
| CDS | Completion Data System | | | | Details |
| CDS | Central Degassing Station | | | | Details |
| CDS | Continuous Direct ional Survey | | | | Details |
| CDS | Continuous Directional Survey | | | | Details |
| CDS | continuous directional service | | | | Details |
| CDS | Canadian Development Corp. | | | | Details |
| CDS | Credit default swap | | | | Details |
| CDS | Central Degassing Station | | | | Details |
| cdsr | condenser | | | | Details |
| CDT | Compensated Density | | | | Details |
| CDTC | Confidence Delta-T High Resolution | | | | Details |
| CDTE | Deep Induction Conductivity From PREDTE | | | | Details |
| CDTR | Confidence Delta-T High Resolution | | | | Details |
| CDTT | Confidence Delta-T High Resolution | | | | Details |
| CDU | Control Distribution Unit | | | | Details |
| CDU | Crude Distillation Unit | | | | Details |
| CDV | Critical Development Volume | | | | Details |
| CDVB | Deep Induction Very Enhanced Borehole | | | | Details |
| CDVM | Conseil Déontologique des Valeurs Mobilières | | | | Details |
| CDVR | Deep Induction Very Enhanced Resolution | | | | Details |
| Cdy | Cody(Wyoming) | | | | Details |
| CE | Civil Engineer | | | | Details |
| CE | Completion Engineer | | | | Details |
| CE | Corrosion Engineer | | | | Details |
| CE | Carottage Electric log (SP + Deep resistivity) or Cable Electric Log (name for wireline logging in French) | | | | Details |
| CE | OMV-Standard Bohrlochmessung (carottage electric) | | | | Details |
| CE | SRI LANKA | | | | Details |
| CE | completions engineer | | | | Details |
| CE | compensation efficiency | | | | Details |
| CE | Capital Employed | | | | Details |
| CE | Condensate Expansion (factor) | | | | Details |
| CE | Capital Efficiency | | | | Details |
| CE | Well completion and equipment cost | | | | Details |
| CE | Cause & Effect | | | | Details |
| CE | Cause & Effect | | | | Details |
| ce Ta | Center Tank | | | | Details |
| CEC | Cement Casing | | | | Details |
| CEC | Cation Exchange Capacity (see comment) | | | | Details |
| CEC | Cation Exchange Capacity | | | | Details |
| CEC | Cation_Exchange_Capacity | | | | Details |
| CEC | Cation Exchange Capacity | | | | Details |
| CECAN | CEC Analysis | | | | Details |
| CED | Central Engineering Department | | | | Details |
| CEDIPSA | Compania Espanola Distribuidora de Petroleos S.A. Spain | | | | Details |
| CEE | Central and Eastern Europe | | | | Details |
| CEF | Connecting Europe Facility|| | Connecting Europe Facility | Connecting Europe | L'interconnexion en Europe | Details |
| CEF | Connecting Europe Facility | | | | Details |
| CEF | Condensate Expansion Factor | | | | Details |
| CEFT | Code of First Echo Fall Time | | | | Details |
| CEGH | Central European Gas Hub | | | | Details |
| CEHL | Cain Energy Hydrocarbons Limited | | | | Details |
| CEIL | Cairn Energy India Limited | | | | Details |
| CEL | cement evaluation log | | | | Details |
| CEL | Cement Evaluation | | | | Details |
| cell | cellar | | | | Details |
| cell | cellular | | | | Details |
| CELP | P Celerity (Velocity) | | | | Details |
| CELS | S Celerity (Velocity) | | | | Details |
| CEM | Cementing Run | | | | Details |
| CEM | Cement(ed) | | | | Details |
| CEM | cement | | | | Details |
| CEM | Computed EPT Matrix | | | | Details |
| CEME | Cement Evaluation | | | | Details |
| CEMF | counter electromotive force | | | | Details |
| CEMP | Construction Environmental Management Plan | | | | Details |
| CEMS | continuous emission monitoring system | | | | Details |
| Ceno | Cenozoic | | | | Details |
| cent | centralizers | | | | Details |
| CentGas | Central Asia Gas Pipeline Ltd. | | | | Details |
| CENTIMETER | centimeter | | | | Details |
| CENTIMETERS | centimeter | | | | Details |
| CENTIMETRE | centimeter | | | | Details |
| CENTIMETRES | centimeter | | | | Details |
| centr | centrifugal | | | | Details |
| CEO | Chief Executive Officer|| | Chief Executive Officer | Geschäftsführer | Directeur Général | Details |
| CEO | Chief Executive Officer | | | | Details |
| cEOR | Chemical Enhanced Oil Recovery | | | | Details |
| CEP | Current Estimated Potential | | | | Details |
| CEP | Cement Plug | | | | Details |
| CEP | Cement Plug | | | | Details |
| CEP | Completion Equipment Pull | | | | Details |
| CEP&M | Comite d’Etudes Petrolieres et Marine France | | | | Details |
| CEPA | Canadian Energy Pipeline Association | | | | Details |
| CEPCO | City Ecuadoriana Production Co. Ecuador | | | | Details |
| CEPE | Corporacion Estatal de Petroleo Ecuatoriano Ecuador | | | | Details |
| ceph | cephalopod | | | | Details |
| CEPM | Comite d’Etudes Petrolieres et Marine France | | | | Details |
| CEPP | Chemical Emergency Preparedness Program | | | | Details |
| Cepsa | Compania Espanola de Petroleos | | | | Details |
| CEPSA | Compania Espanola de Petroleos, S.A. Spain | | | | Details |
| CEPT | EPT Conductivity | | | | Details |
| CEQ | council on environmental quality | | | | Details |
| CEQ | Completion Equipment Run | | | | Details |
| CEQA | California Environmental Quality Act | | | | Details |
| CER0 | Energy Peak Coherence, Receiver Array - | | | | Details |
| CER1 | Label Energy Peak Coherence, Receiver | | | | Details |
| CER2 | Label Energy Peak Coherence, Receiver | | | | Details |
| CER3 | Label Energy Peak Coherence, Receiver | | | | Details |
| CERA | Cambridge Energy Research Associates | | | | Details |
| CERCLA | a US Law – Comprehensive Environmental Response, Compensation and Liability Act of 1980 | | | | Details |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act (The Superfund Law) | | | | Details |
| CERE | Cement Remedial Log | | | | Details |
| CEREX | LABEL Energy Peak Coherence, Receiver | | | | Details |
| CERHYD | Centre de Recherche Pour La Valorisation des Hydrocarbures & Derives Algeria | | | | Details |
| CERP | Label Energy Peak Coherence, Receiver | | | | Details |
| CERS | Label Energy Peak Coherence, Receiver | | | | Details |
| CERT | certified | | | | Details |
| CERT | Code of First Echo Rise Time | | | | Details |
| Cert.ex. | Ceratobulimina eximia | | | | Details |
| CESC | Command Echo - SCAL-A | | | | Details |
| CEST | Central European Summer Time | | | | Details |
| CET | Cement Evaluation Tool | | | | Details |
| CET | Central European Time | | | | Details |
| CET | cement evaluation | | | | Details |
| CET | Cement Evaluation Log | | | | Details |
| CET | Cement Evaluation Tool | | | | Details |
| CET0 | Energy Peak Coherence, Transmitter Array - Slowness_Time_Coherence | | | | Details |
| CET1 | Label Energy Peak Coherence, Transmitter | | | | Details |
| CET2 | Label Energy Peak Coherence, Transmitter | | | | Details |
| CET3 | Label Energy Peak Coherence, Transmitter | | | | Details |
| CETEX | LABEL Energy Peak Coherence, Transmitter | | | | Details |
| CETP | Label Energy Peak Coherence, Transmitter | | | | Details |
| CETS | Label Energy Peak Coherence, Transmitter | | | | Details |
| CEU | (Certificate of) Continuing Education Units | | | | Details |
| CEU | Continuing Education Units | | | | Details |
| CEW1 | Compressional Energy of Waveform # 1 | | | | Details |
| CEW2 | Compressional Energy of Waveform # 2 | | | | Details |
| CEW3 | Compressional Energy of Waveform # 3 | | | | Details |
| CEW4 | Compressional Energy of Waveform # 4 | | | | Details |
| CEXP | External Pressure Sensor Calibrated Output Pressure | | | | Details |
| CF | Completion Fluid | | | | Details |
| CF | Carbolite Filter | | | | Details |
| CF | Casing flange elevation | | | | Details |
| CF | CONGO | | | | Details |
| CF | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CF | casing flange | | | | Details |
| CF | clay filled | | | | Details |
| Cf | Cockfield | | | | Details |
| CF | cold finished | | | | Details |
| CF | Complexity Factor | | | | Details |
| CF | Clearance Factor | | | | Details |
| CF | Counter Flush (Sonde) | Shallow water wells drilled in Austria | | | Details |
| CF | cubic foot | | | | Details |
| CF | Cash Flow | | | | Details |
| CF | Chemical Flooding | | | | Details |
| CF | Condensate Field | | | | Details |
| CF | Continuous Fracture | | | | Details |
| cf | compare | | | | Details |
| CF | Cost and Frieght | | | | Details |
| CF | cost and freight | | | | Details |
| CF | Cost With Freight | | | | Details |
| CF OPEX | Operational Expenditures | | | | Details |
| CFA | Compositional Fluid Analizer | | | | Details |
| CFA | Chartered Financial Analyst | | | | Details |
| CFAC | Coal Facies | | | | Details |
| CFB&G | companion flange bolt and gasket | | | | Details |
| CFBG | companion flange bolt and gasket | | | | Details |
| CFBO | companion flanges bolted on | | | | Details |
| CFC | Consumption of fixed capital | | | | Details |
| CFC | Central Frequency for Compressional | | | | Details |
| CFCF | cubic foot per cubic foot | | | | Details |
| CFCT | Cash Flow Cycle Time | | | | Details |
| CFD | Computational Fluid Dynamics | | | | Details |
| CFD | Caisse Française de Développement | | | | Details |
| Cfd | cubic foot per day | | | | Details |
| CFD | Compensated Formation Density | | | | Details |
| cfd | cubic feet per day | | | | Details |
| CFD | Contract for difference | | | | Details |
| CFD | Correction Factor of Deep Log | | | | Details |
| CFDC | Compensated Formation Density Caliper | | | | Details |
| CFDP | Conceptual Field Development Plan | | | | Details |
| CFE | core flow efficiency | | | | Details |
| CFE | contractor furnished equipment | | | | Details |
| CFE | ECS Capture Iron Relative Yield | | | | Details |
| CFEC | Corrected Far Epithermal Counts | | | | Details |
| CFF | Calliper Fullbore Flowmeter | | | | Details |
| CFG | Cubic feet of Natural Gas | | | | Details |
| cfg | cubic feet gas | | | | Details |
| CFG | Companie Francaise pour le Developpement de Geothermie et des Energies Nouvelles France | | | | Details |
| cfgd | cubic feet gas per day | | | | Details |
| cfgh | cubic feet gas per hour | | | | Details |
| CFH | cubic feet per hour | | | | Details |
| CFID | Correction Factor on ILD | | | | Details |
| CFIM | Correction Factor on ILM | | | | Details |
| CFIS | Corrected net far detector inelastic | | | | Details |
| CFL8 | Correction Factor on LL8 | | | | Details |
| CFM | Continuous Fracture Modeling | | | | Details |
| CFM | Flowmeter-Continuous | | | | Details |
| CFM | Cubic Feet per Minute | | | | Details |
| CFM | Continuous flowmeter | | | | Details |
| CFM | Companie Francaise du Methane France | | | | Details |
| CFM | Certified Financial Manager | | | | Details |
| CFM PFM | Continuous Flowmeter | | | | Details |
| CFMT | Flowmeter Type | | | | Details |
| CFN | Continuous Fracture Network | | | | Details |
| CFO | Chief Financial Officer|| | Chief Financial Officer | Chief Financial Officer | Directeur financier | Details |
| CFO | Chief Financial Officer | | | | Details |
| CFO | Chief Finanacial Officer / Finanzvorstand | | | | Details |
| CFOD | Circumferential Fluid Ohmic Drop | | | | Details |
| CFP | Compagnie Française des Pétroles | | | | Details |
| cfp | cubic feet per pound | | | | Details |
| CFP | Companie Francaise du Petroles (also Total) France | | | | Details |
| CFP | Counter Flush Protess | Shallow water wells drilled in Protess/Austria | | | Details |
| CFP | Chemical Flooding Process | | | | Details |
| CFPM | Cubic Feet per Minute | | | | Details |
| CFPP | cold filter plugging point | | | | Details |
| CFPR | cubic foot per radian | | | | Details |
| CFPS | Cash flow per share | | | | Details |
| CFR | Cost and FReight | | | | Details |
| CFR | critical flow rate | | | | Details |
| CFR | Code of Federal Regulations | | | | Details |
| CFR | cement friction reducer | | | | Details |
| CFR | cement friction retarder | | | | Details |
| CFR | Companie Francaise de Raffinage (sub. of Total) France | | | | Details |
| CFRC | Coordinating Fuel Research Committee | | | | Details |
| CFRE | Chopper Frequency | | | | Details |
| CFRQ | LOG of Frequency of the Cells used for the None | | | | Details |
| CFS | Caged Fullbore Flowmeter (in PLT tool) | | | | Details |
| cfs | cubic feet per second | | | | Details |
| CFS | Counter Flush Sonde | Shallow water wells drilled in Austria | | | Details |
| CFS | Consolidated Financial Statement | | | | Details |
| CFS | Circulate For Signature | | | | Details |
| CFS | Correction Factor of Shallow Log | | | | Details |
| CFST | Central Frequency of the Stoneley Wave | | | | Details |
| CFT | Cubic FeeT | | | | Details |
| CFT | Call For Tender | | | | Details |
| CFT | Caliper-Fullbore Temperature | | | | Details |
| CFTC | Commodity Futures Trading Commission | | | | Details |
| CFTC | Corrected Far Thermal Count Rate | | | | Details |
| CFVL | Memorized Fluid Acoustic Slowness | | | | Details |
| Cg | Compressibility of Gas|| | Compressibility of gas | Kompressibilität von Gas | Compressibilité de gaz | Details |
| CG | Contents Guideline | | | | Details |
| CG | Connection Gas | | | | Details |
| CG | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| CG | CONGO | | | | Details |
| CG | connection gas, mud logging term | | | | Details |
| cg | coarse grained | | | | Details |
| CG | Compensated Gamma | | | | Details |
| CG | center of gravity | | | | Details |
| cg | centigram | | | | Details |
| cg | coring | | | | Details |
| CG | corrected gravity | | | | Details |
| Cg | Compressibility of Gas | | | | Details |
| CG | Cushion Gas | | | | Details |
| CG | Klasse-C-Vorrat Gas (m3(Vn)-%) | Class C gas reserves | | | Details |
| CGA | Canadian Gas Association | | | | Details |
| CGA | Clean Gulf Associates | | | | Details |
| CGAI | Capture Gain for GST-A/IGT Spectrum | | | | Details |
| CGAS | Compressibility of Gas | | | | Details |
| CgASR | Coated-Grain, Algal, Skeletal Rudstone-Floatstone | | | | Details |
| CGD | ECS Capture Gadolinium Relative Yield | | | | Details |
| CGDN | Grain Density from Core | | | | Details |
| CGDN | Grain Density from Core | | | | Details |
| CGDT | Theoretical CGD Log | | | | Details |
| CGEL | CG EL Log | | | | Details |
| CGES | Center for Global Energy Studies | | | | Details |
| CGES | Centre for Global Energy StudiesUK | | | | Details |
| CGF | central gas facility | | | | Details |
| CGG | Compagnie Générale de Géophysique (a fully integrated Geoscience company providing leading geological, geophysical and reservoir capabilities) | | | | Details |
| CGG | Companie Generale de Geophysique France | | | | Details |
| CGI | Continuous Gas Injection | | | | Details |
| CGI | Cumulative Gas Injection | | | | Details |
| CGI | Crestal Gas Injection | | | | Details |
| CGIY | Correction of Gyro Imperfections on Y Axis Angular_Velocity | | | | Details |
| CGIZ | Correction of Gyro Imperfections on Z Axis Angular_Velocity | | | | Details |
| CGL | Core Gamma Log | | | | Details |
| CGL | CONGLOMERATE | | | | Details |
| Cgl, cgl | conglomerate (-ic) | | | | Details |
| Cglc | conglomeratic | | | | Details |
| cglt | conglomerate, conglomeritic | | | | Details |
| CGM | Custom Google Map | | | | Details |
| CGM | Computer Graphics Metaware | | | | Details |
| CGOC | Current Gas Oil Contact | | | | Details |
| CGP | Cumulative Gas Production | | | | Details |
| CGPH | Core Graph Log | | | | Details |
| CGPH | Capture Gamma Ray Porosity | | | | Details |
| CGR | Condensate gas ratio | | | | Details |
| CGR | Computed Gamma Ray | | | | Details |
| CGR | Uran_corrected gamma ray | | | | Details |
| CGR | Gamma Ray Contribution from Thorium and | | | | Details |
| CGR2 | TSGT Calibrated Gamma Ray | | | | Details |
| CGR2_SL | TSGT Calibrated Gamma Ray - Station Log | | | | Details |
| CGRA | Computed Gravitation | | | | Details |
| CGRI | Canadian Gas Research Institute | | | | Details |
| cgs | centimeter-gram-second-system | | | | Details |
| CGSA | Coarse-Grain Sandstone | | | | Details |
| CgSG | Coated-Grain, Skeletal Grainstone | | | | Details |
| CGTC | Columbia Gas Transmission Co. | | | | Details |
| CGTL | Compact Gas to liquids (production equipment small enough to fit on a ship) | | | | Details |
| CGU | Cash Generating Unit | | | | Details |
| CGV | Cushion Gas Volume | | | | Details |
| CGWC | Current Gas Water Contact | | | | Details |
| CH | Cased Hole | | | | Details |
| CH | CHINA | | | | Details |
| CH | SWITZERLAND | | | | Details |
| CH | Completion | | | | Details |
| CH | casinghead(gas) | | | | Details |
| ch | chert | | | | Details |
| ch | choke | | | | Details |
| CH | closed hole | | | | Details |
| CH | core hole | | | | Details |
| CH | Consession Holder | | | | Details |
| CH | Core head (bit) | | | | Details |
| CH | Chemchemal (Field in north Iraq) | | | | Details |
| CH-OP | chain operated | | | | Details |
| CH1R | Current HP Additive #1 Flowrate | | | | Details |
| CH1V | Current HP Additive #1 Volume | | | | Details |
| CH4 | methane | | | | Details |
| Chaet | chaetetes | | | | Details |
| CHAF | D2 Channel Flag | | | | Details |
| chal | chalcedony | | | | Details |
| Chal, chal | chalcedony (-ic) | | | | Details |
| CHAM | chamfer | | | | Details |
| CHAM | Circle Hole Angle Maximum | | | | Details |
| CHANNEL1 | Generic Unitless 1D Array | | | | Details |
| CHANNEL2 | Generic Unitless 1D Array | | | | Details |
| CHANNEL3 | Generic Unitless 1D Array | | | | Details |
| CHANNEL4 | Generic Unitless 1D Array | | | | Details |
| CHANNEL5 | Generic Unitless 1D Array | | | | Details |
| Chapp | Chappel | | | | Details |
| CHAR | characteristics | | | | Details |
| Char | Charles | | | | Details |
| Char | charophyte | | | | Details |
| Chatt | Chattanooga shale | | | | Details |
| CHC | Circulate Hole Clean | | | | Details |
| CHCNC | CHCNC Gamma Ray Casing Collar Locator | | | | Details |
| CHCU | Coherence computed uphole | | | | Details |
| CHD | closed hydrocarbon drain | | | | Details |
| CHDT | Cased Hole Dynamics Tester | | | | Details |
| CHDT | Cased Hole Dynamic Tester | | | | Details |
| CHDTP | Caliper HDT Playback Log | | | | Details |
| CHE | Casing HAndling Equipment | | | | Details |
| CHE | SWITZERLAND | | | | Details |
| CHE | Cable Head | | | | Details |
| CHE | Coherent Compressional Energy | | | | Details |
| CHECK | Checkshot and Acoustic Calibration Report | | | | Details |
| Chem | Chemical | | | | Details |
| chem. | chemical, chemist, chemistry | | | | Details |
| chem. | prod chemical products | | | | Details |
| Cher | Cherokee | | | | Details |
| Chert | a hard, silicate sedimentary rock Similar to flint, but with less ordered structure A cryptocrystalline form of quartz | | | | Details |
| chert | chert | | | | Details |
| Ches | Chester | | | | Details |
| CHES | Basic | | | | Details |
| CHESM | contractor, health, environment and safety management | | | | Details |
| CHESS | chemical hazard employee safety system | | | | Details |
| CHF | casinghead flange | | | | Details |
| CHF | Swiss Franc | | | | Details |
| CHF | Swiss Franc | | | | Details |
| CHF | Swiss franc | | | | Details |
| CHFF | Cased Hole Friction Factor | | | | Details |
| CHFP | Cased Hole Frac Pack | | | | Details |
| CHFR | Cased Hole Formation Resistivity | | | | Details |
| CHFR | Cased Hole Formation Resisitivity | | | | Details |
| CHFRTM | cased hole formation resistivity tool | | | | Details |
| CHFT | Cased Hole Dynamics Tester | | | | Details |
| CHFT | Cased Hole Formation Tester | | | | Details |
| CHG | casinghead gas | | | | Details |
| CHGP | Cased Hole Gravel Pack | | | | Details |
| CHH | Casing Head Hanger | | | | Details |
| CHH | Casing Head Housing | | | | Details |
| CHI | Chi-Square of Fit for NGT Counts | | | | Details |
| CHI1 | HNGS Detector 1 Chi-Squared | | | | Details |
| CHI1_MARQ | HNGS Detector 1 Marquardt Chi-Squared | | | | Details |
| CHI2 | HNGS Detector 2 Chi-Squared | | | | Details |
| CHI2_MARQ | HNGS Detector 2 Marquardt Chi-Squared | | | | Details |
| Chim-H | Chimney Hill | | | | Details |
| Chim-R | Chimney Rock | | | | Details |
| Chin | Chinle | | | | Details |
| Chini | General Company for Dinnerware | | | | Details |
| CHIR | Chirp Flag (1 if Shaker Data) | | | | Details |
| CHIS | CHI Square of Fit with respect to NGT | | | | Details |
| chit | chitin(ous) | | | | Details |
| Chit, chit | chitin (-ous) | | | | Details |
| CHK | choke | | | | Details |
| chk | chalk | | | | Details |
| CHK | Corrected hook load | | | | Details |
| Chk, chky | chalk (-y) | | | | Details |
| Chkbd | checkerboard | | | | Details |
| chkd | checked | | | | Details |
| CHKD | PL checkered plate | | | | Details |
| CHKP | Choke Position | | | | Details |
| CHKS | back flow checks | | | | Details |
| CHKSR | Checkshot Survey Report | | | | Details |
| CHKSS | Checkshot Survey Log | | | | Details |
| CHKV | check valve | | | | Details |
| chky | chalky | | | | Details |
| CHL | CHILE | | | | Details |
| CHL | cased hole log | | | | Details |
| chl | chloride | | | | Details |
| chl | chloride(s) | | | | Details |
| chl | chloritic | | | | Details |
| chl | log chlorine long | | | | Details |
| CHL | Chlorinlog | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| Chlor | chloritic | | | | Details |
| Chlor, chlor | chlorite (-ic) | | | | Details |
| CHLR | chlorinator | | | | Details |
| CHLR | Chlorite | | | | Details |
| CHMBR | chamber | | | | Details |
| CHMS | CPLT HP Gauge | | | | Details |
| CHN | CHINA | | | | Details |
| chng | change(ed)(ing) | | | | Details |
| CHNL | Channel Survey | | | | Details |
| CHNL | channel | | | | Details |
| Choc | chocolate | | | | Details |
| choc | chocolate | | | | Details |
| CHOKE | Choke size | | | | Details |
| CHOKE_SIZE | Wellhead choke diameter | | | | Details |
| CHOPS | Cold Heavy Oil Production with Sand | | | | Details |
| CHOPT | CHarterer's OPTion | | | | Details |
| Chou | Chouteau lime | | | | Details |
| CHP | Casing Hanger Pressure (pressure in an annulus as measured at the casing hanger) | | | | Details |
| CHP | Casing Hanger Pressure | | | | Details |
| CHP | combined heat and power | | | | Details |
| CHP | casinghead pressure | | | | Details |
| CHR | Surgutneftegas Russia | | | | Details |
| CHR0 | Label Peak Coherence, Receiver Array - SDT Slowness_Time_Coherence | | | | Details |
| CHR1 | Label Peak Coherence, Receiver Array - | | | | Details |
| CHR2 | Label Peak Coherence, Receiver Array - | | | | Details |
| CHR3 | Label Peak Coherence, receiver Array - | | | | Details |
| CHREX | LABEL Peak Coherence, Receiver Array - | | | | Details |
| chrg | charge(ed)(ing) | | | | Details |
| chrm | chairman | | | | Details |
| CHROM | Chromatolog | | | | Details |
| chromat | chromatograph | | | | Details |
| chrome | chromium | | | | Details |
| CHRP | Label Peak Coherence, Receiver Array, | | | | Details |
| CHRS | Label Peak Coherence, Receiver Array, | | | | Details |
| CHRT | casing hanger running tool | | | | Details |
| CHSC | Circle Hole Shape Condition | | | | Details |
| CHSO | Charaktristische Sonde | typical well | | | Details |
| cht | chart | | | | Details |
| cht | chert | | | | Details |
| CHT | Condensate hydrotreater | | | | Details |
| Cht, cht | chert (-y) | | | | Details |
| CHT0 | Label Peak Coherence, Transmitter Array - | | | | Details |
| CHT1 | Label Peak Coherence, Transmitter Array - | | | | Details |
| CHT2 | Label Peak Coherence, Transmitter Array - | | | | Details |
| CHT3 | Label Peak Coherence, Transmitter Array - | | | | Details |
| CHTEX | LABEL Peak Coherence, Transmitter Array - | | | | Details |
| CHTP | Label Peak Coherence, Transmitter Array, | | | | Details |
| CHTS | Label Peak Coherence, Transmitter Array, | | | | Details |
| chty | cherty | | | | Details |
| Chtz | chitinozoa | | | | Details |
| Chug | chugwater | | | | Details |
| CHUN | Calibrated Pressure Hundreds Digit | | | | Details |
| CHX | in hydrocarbon (CHx)n formula | | | | Details |
| CHY | ECS Capture Hydrogen Relative Yield | | | | Details |
| CI | Chemical Injection | | | | Details |
| CI | Competitive Intelligence | | | | Details |
| CI | Capital Intelligence | | | | Details |
| CI | Corrosion Inhibitor | | | | Details |
| CI | Cone Interference | | | | Details |
| CI | Capital Intensity | | | | Details |
| CI | CHILE | | | | Details |
| CI | COTE D'IVOIRE | | | | Details |
| CI | Casing Inspection/ Electro-Magnetic-Detector | | | | Details |
| CI | cast iron | | | | Details |
| CI | contour interval(map) | | | | Details |
| CI | engine compression-ignition engine | | | | Details |
| CI | Casing Inspection/Electro Magnetic-Detector | | | | Details |
| Ci | curie | | | | Details |
| CI | Corporate Identity | | | | Details |
| CI | Combustor Inspection | | | | Details |
| CI | Corrosion Inhibitor | | | | Details |
| CI | Control & Instrumentation | | | | Details |
| CI | Concept Identification | | | | Details |
| CIA | Concentration In Air | | | | Details |
| CIA | Certified Internal Auditor | | | | Details |
| CIA6 | Corrected Average 6' Sampled Axial Current Electric_Current | | | | Details |
| CIAX | Corrected Average Axial Current | | | | Details |
| CIB | Commercial International Bank | | | | Details |
| Cib. | Cibicides | | | | Details |
| Cib.h. | Cibicides hazzardi | | | | Details |
| CIBHP | closed in bottom hole pressure | | | | Details |
| CIBP | cast iron bridge plug | | | | Details |
| CIBP | cast-iron bridge plug | | | | Details |
| CICHP | Closed In Casing Head Pressure | | | | Details |
| CID | Chemical Industries Development | | | | Details |
| CIDC | Casing/Pipe Inner Diameter | | | | Details |
| CIDL | chemical injection downhole lower | | | | Details |
| CIDL | Caliper Casing Inner Diameter Processed, | | | | Details |
| CIDP | Induction Deep Phasor Conductivity | | | | Details |
| CIDPP | Closed In Drill Pipe Pressure | | | | Details |
| CIDS | Caliper Casing Inner Diameter Processed, | | | | Details |
| CIDU | chemical injection downhole upper | | | | Details |
| CIE | crude industrial ethanol | | | | Details |
| CIED | International Center for Education and Development | | | | Details |
| CIEPSA | Compania de Investigacion y Exploraciones Petroliferas, S.A. Spain | | | | Details |
| CIF | Costs Insurance and Freight | | | | Details |
| CIF | Cost Insurance With Freight | | | | Details |
| CIIC | Commercial International Investment Company | | | | Details |
| CIIP | Condensate Initially In Place (Gas Cap/Res) | | | | Details |
| CIIP | Condensate Initially In Place | | | | Details |
| CIL | Conductivity Induction | | | | Details |
| CILB | Conductivity Induction Backup | | | | Details |
| CILD | Conduction Log | | | | Details |
| CILD | Deep Induction Conductivity | | | | Details |
| CILD | Calibrated Induction Deep Conductivity | | | | Details |
| CILM | Calibrated Induction Medium Conductivity | | | | Details |
| CIM | Chemical Injection Mandrel/Manifold | | | | Details |
| CIM | Canadian Institute of Mining | | | | Details |
| CIM | Canadian Institute of Mining, Metallurgy and Petroleum | | | | Details |
| CIM | Companie Industrielle Maritime France | | | | Details |
| Cima | Cimarron | | | | Details |
| CIMA | Chartered Institute of Management Accountants | | | | Details |
| CIMP | Induction Medium Phasor Conductivity | | | | Details |
| CIMS | Corrosion and Inspection Management System | | | | Details |
| CIMV | Chemical Injection Metering Valve | | | | Details |
| CIN | Common Interest Network (system on Shell Global Networks) | | | | Details |
| CINSA | Compania Insular del Nitrogena, S.A. Spain | | | | Details |
| CIO | Chief Information Officer | | | | Details |
| CIO | Chief Information Officer or Chief Investment Officer | | | | Details |
| CiO | Consumed in Operations | | | | Details |
| CiO | Consumed in Operations | | | | Details |
| CIP | Cement In Place | | | | Details |
| CIP | Carriage and Insurance paid to..... | | | | Details |
| CIP | Chemical Injection Port (for textim pump) | | | | Details |
| CIP | closed-in pressure | | | | Details |
| CIPA | California Independent Petroleum Association | | | | Details |
| CIPCO | Caspian International Petroleum Company | | | | Details |
| CIPF | Central Injection Pump Facility | | | | Details |
| CIPS | Concentration in Process Stream | | | | Details |
| CIPS | Chartered Institute of Purchasing & Supply | | | | Details |
| CIPS | Close Internal Potential Survey | | | | Details |
| CIR | Circulate | | | | Details |
| cir | circle | | | | Details |
| cir | circuit | | | | Details |
| cir | circular | | | | Details |
| cir | mils circular mills | | | | Details |
| CIRC | circulate | | | | Details |
| circ | circulate, circulation, circulating | | | | Details |
| circ | circulate, circulating, circulation | | | | Details |
| CIRC | Casing/Pipe Nominal Inner Radius | | | | Details |
| CIRC | Circulate | | | | Details |
| circ | circulate (-ed, -tion) | | | | Details |
| circ, Circ | circulate (-ion) | | | | Details |
| CIRD | IRD Conductivity | | | | Details |
| CIRES | Companhia Industrial de Resinas Sinteticas Portugal | | | | Details |
| CIRF | RST Capture to Inelastic Ratio Far | | | | Details |
| CIRF_FIL | RST Capture to Inelastic Ratio Far | | | | Details |
| CIRM | IRM Conductivity | | | | Details |
| CIRN | RST Capture to Inelastic Ratio Near | | | | Details |
| CIRN_FIL | RST Capture to Inelastic Ratio Near | | | | Details |
| CIRP | Schlumberger's Completion Insertion and Retrieval under Pressure, (snap lock guns) | | | | Details |
| CIRR | Commercial Interest Reference Rate | | | | Details |
| CIRT | Circulating Time | | | | Details |
| CIS | Commonwealth of Independent States | | | | Details |
| CIS | Customer Instrument Service | | | | Details |
| Cis | Cisco | | | | Details |
| CIS | Customer Instrument Service | | | | Details |
| CISA | Certified Information Systems Auditor | | | | Details |
| CISO | Chief Information Security Officer | | | | Details |
| CIT | Casing Integrity Test | | | | Details |
| CIT | Casing Inspection Tool | | | | Details |
| CIT-OA | casing integrity test – outside annulus | | | | Details |
| CITHP | Closed In Tubing Head Pressure (tubing head pressure when the well is shut in) | | | | Details |
| CITHP | Closed In Tubing Hanger Pressure | | | | Details |
| CIV | Chemical Injection Valve | | | | Details |
| CIV | COTE D'IVOIRE | | | | Details |
| CIW | Cameron Iron Works | | | | Details |
| CIW | Concept Identific | | | | Details |
| CIWHP | closed in well head pressure | | | | Details |
| CIXD | IXD Conductivity | | | | Details |
| CIXM | IXM Conductivity | | | | Details |
| CJ | CAYMAN ISLANDS | | | | Details |
| CK | Cokriging | | | | Details |
| CK | COCOS (KEELING) ISLANDS | | | | Details |
| CK | COOK ISLANDS | | | | Details |
| ck | cake | | | | Details |
| ck | check | | | | Details |
| CK | ECS Capture Potassium Relative Yield | | | | Details |
| ck | choke | | | | Details |
| CK | Choke & Kill (BOPs) | | | | Details |
| CK | Choke and Kill | | | | Details |
| Ck-Mtn | Cook Mountain | | | | Details |
| CK90 | Measured Horizontal Permeability @ 90 | | | | Details |
| CKH | Horizontal Permeability from Core | | | | Details |
| CKH | Horizontal Permeability from Core | | | | Details |
| cksn | chicksan | | | | Details |
| CKT | Theoretical CK Log | | | | Details |
| CKTA | Central Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| CKV | Vertical Permeability from Core | | | | Details |
| CKV | Vertical Permeability from Core | | | | Details |
| CKV | Vertical Permeability from Core | | | | Details |
| CL | Core Log | | | | Details |
| CL | Control Line (the hydraulic line for controling SSSV and chemical injection in completion) | | | | Details |
| CL | CORAL SEA ISLANDS | | | | Details |
| CL | CHILE | | | | Details |
| CL | control line | | | | Details |
| CL | Chloride | | | | Details |
| CL | Chlorine or Chlorinilog | | | | Details |
| CL | Salinity | | | | Details |
| CL | carload | | | | Details |
| cl | centiliter | | | | Details |
| CL | class | | | | Details |
| CL | Salinity | | | | Details |
| Cl | Clay | | | | Details |
| CL | Casing Leck | Casing Leak | | | Details |
| CL | US Crude Light | | | | Details |
| CL | Klasse-C-Vorrat Kondensat (Tonne-%) | Class C oil reserves | | | Details |
| CL | Course Length - Horizontal Drift of a | | | | Details |
| CL | Condensate Line | | | | Details |
| CL&F | Continental Land and Fur Co. | | | | Details |
| Cl, cl | clay (-ey) | | | | Details |
| Cl2 | chlorine gas | | | | Details |
| Cl2 | chlorine | | | | Details |
| CLA | Collective Labor Agreement | | | | Details |
| Clag | Clagget | | | | Details |
| Claib | Claiborne | | | | Details |
| Clarks | Clarksville | | | | Details |
| clas | clastic | | | | Details |
| CLAS | Clay Analysis and Shaly Sand Evaluation (CLASS®) | | | | Details |
| CLASS | classification | | | | Details |
| Clav | Clavalinoides | | | | Details |
| Clay | a fine grain (<000015” or about 4 microns) – finely crystalline silica sheet minerals Usually of silicate composition In oil field terms, the most common clays are Smectite (montmorillinite), illite, kaolinite and chlorite The characteristic for authogenic clay is to have extremely high surface area-to-volume ratio | | | | Details |
| Clay | Clayton | | | | Details |
| Clay | Claytonville | | | | Details |
| CLAY | Clay Description (CLAYS) | | | | Details |
| CLAY | Clay | | | | Details |
| CLAY | Claystone Facies | | | | Details |
| CLC | Civil Liability Convention | | | | Details |
| CLc1 | US Crude Light contract (future contract) | | | | Details |
| Clcar | calcarenite | | | | Details |
| Clclt | calcilutite | | | | Details |
| Clcrd | calcirudite | | | | Details |
| Clcsp | calcisphere | | | | Details |
| CLDL | Chlorije Detection | | | | Details |
| CLDL | Chloride Detection | | | | Details |
| Cleve | Cleveland | | | | Details |
| CLEX | Cluster/Expansion | | | | Details |
| CLF | Continental Land and Fur Co. | | | | Details |
| Clfk | Clearfork | | | | Details |
| CLFL | Choke Line Friction Losses | | | | Details |
| CLFP | choke line friction pressureClinker | | | | Details |
| CLFP | Choke and Kill Line Friction Pressures (also used for Choke Line Friction Pressures) | | | | Details |
| CLFR | clarifier | | | | Details |
| CLG | Core Log and Graph | | | | Details |
| CLG | cooling | | | | Details |
| CLG/TWR | cooling tower | | | | Details |
| CLGB | Credit Lyonnais Global Banking | | | | Details |
| CLH | Compania Logistica de Hidrocarburos S.A. Spain | | | | Details |
| Cliff-H | Cliff House | | | | Details |
| CLKG | caulking | | | | Details |
| CLL | Cluster Lead | | | | Details |
| CLL8 | Laterolog 8 Conductivity | | | | Details |
| CLLD | Laterolog Deep Conductivity | | | | Details |
| CLMP | canvas-lined metal petal basket | | | | Details |
| cln | clean | | | | Details |
| cln(d)(g) | clean(ed)(ing) | | | | Details |
| ClO2 | chlorine dioxide, a powerful biocide that dissolves biomass cell walls It is nearly impossible for bacteria to develop immunity against ClO2 | | | | Details |
| CLOS | Closure: horizontal distance from origin | | | | Details |
| Clov | clovery | | | | Details |
| CLP | Chilean Peso | | | | Details |
| CLP | Cumulative Liquid Production | | | | Details |
| CLP | Classification, Labeling and Packaging | | | | Details |
| CLQ | Central Living Quarters | | | | Details |
| clr | clear | | | | Details |
| clr | clear, clearance | | | | Details |
| CLR | cooler | | | | Details |
| CLR/TWR | cooling tower | | | | Details |
| CLRC | Career Ladder Review Committee | | | | Details |
| clrg | clearing | | | | Details |
| CLRP | Color Plot Continuous | | | | Details |
| CLRP | Corrected Lower Reference Phase | | | | Details |
| CLSA | Closure angle | | | | Details |
| clsd | closed | | | | Details |
| CLSD | The distance in a straight line and | | | | Details |
| Clslt | calcisilitite | | | | Details |
| CLSSM | Compensated Long Spaced Sonic MultiLink | | | | Details |
| CLST | Clay Stone | | | | Details |
| Clst | claystone | | | | Details |
| CLT | Central Limit Theorem | | | | Details |
| CLTR | collector | | | | Details |
| Clu | Sondencluster | well cluster | | | Details |
| CLU1 | Cluster Index from Parsel Pass 1 | | | | Details |
| CLU2 | Cluster Index from Parsel Pass 2 | | | | Details |
| Clus | cluster | | | | Details |
| Clut | calcilutite | | | | Details |
| Clvg | cleavage | | | | Details |
| cly | clay | | | | Details |
| Clye | clayey | | | | Details |
| Clyst | Claystone | | | | Details |
| clystn | clavstone | | | | Details |
| Cm | Compaction Coefficient | | | | Details |
| CM | Choke Module | | | | Details |
| CM | Choke Manifold | | | | Details |
| CM | Condition Mud | | | | Details |
| CM | CAMEROON | | | | Details |
| cm | centimeter | | | | Details |
| CM | Corrective Maintenance | | | | Details |
| cm/a | centimeter per year | | | | Details |
| CM/M | centimeter per minute | | | | Details |
| CM/S | centimeter per second | | | | Details |
| cm/s | centimeter per second | | | | Details |
| cm/sec | centimeters per second | | | | Details |
| CM/Y | centimeter per year | | | | Details |
| CM1A | Raw Amplitude of First Echo | | | | Details |
| CM2 | square centimeter | | | | Details |
| cm2 | square centimeter | | | | Details |
| cm2/s | square centimeter per second | | | | Details |
| CM2A | Raw Amplitude of Second Echo | | | | Details |
| cm3 | cubic centimeter | | | | Details |
| cm3/cm3 | cubic centimeter per cubic centimeter | | | | Details |
| cm3/h | cubic centimeter per hour | | | | Details |
| cm3/min | cubic centimeter per minute | | | | Details |
| cm3/s | cubic centimeter per second | | | | Details |
| CMA | Capital Markets Authority | | | | Details |
| CMA | acoustic caliper | | | | Details |
| CMA | Certified Management Accountant | | | | Details |
| CMAX | Raw CCL Maximum Amplitude | | | | Details |
| CMB | Channel Mouth Bar | | | | Details |
| CMBC | Medium Induction Borehole Corrected | | | | Details |
| CMBD | Resistivity Medium Button down from RAB | | | | Details |
| CMBU | Resistivity Medium Button up from RAB | | | | Details |
| CMC | carboxy methyl cellulose | | | | Details |
| CMC | sodium carboxymethylcellulose | | | | Details |
| CMC | Crown Mounted Compensators | | | | Details |
| CMC | Cose Mush Chal kardan | | | | Details |
| Cmchn | comanchean | | | | Details |
| CMCR | Medium Induction Electronic Calibrated | | | | Details |
| CMCs | Crown Mounted Compensators | | | | Details |
| CMCX | Medium Induction Electronic Calibrated | | | | Details |
| CMDB | Configuration Management Database | | | | Details |
| CMDV | Coring Motor Downhole Voltage | | | | Details |
| CMDV_DL | Coring Motor Downhole Voltage | | | | Details |
| CMEB | Medium Induction Enhanced Borehole | | | | Details |
| CMER | Medium Induction Enhanced Resolution | | | | Details |
| CMF | Combined Meter Factor | | | | Details |
| CMF | Choke Manifold | | | | Details |
| CMFB | Committee on monetary, finance and balance of payments statistics | | | | Details |
| CMFF | CMR Free Fluid | | | | Details |
| CMFF_MW | CMR Free Fluid - Multi Wait | | | | Details |
| CMFF_MW_SIG | Standard Deviation of CMR Free Fluid - | | | | Details |
| CMFF_MW_SL | CMR Free Fluid - Multi Wait - Station Log | | | | Details |
| CMFF_SIG | Standard Deviation of CMR Free Fluid | | | | Details |
| CMFF_SIG_SL | Standard Deviation of CMR Free Fluid - | | | | Details |
| CMFF_SL | CMR Free Fluid - Station Log | | | | Details |
| CMHD | HNGS Coincidence Message Header | | | | Details |
| CMHPG | carboxy methyl, hydroxyl propyl cellulose | | | | Details |
| CMHR | Conductivity Medium Induction HiRes Phasor Medium_Induction_Conductivity | | | | Details |
| CMHZ | AGS Coincidence Message Header | | | | Details |
| CMIN | Raw CCL Minimum Amplitude | | | | Details |
| CMJ | cement job | | | | Details |
| CMJD | HNGS Coincidence Message Job Depth | | | | Details |
| CMJT | HNGS Coincidence Message Job Time | | | | Details |
| CML | Condition Monitoring Location | | | | Details |
| CML | Channelmaster | | | | Details |
| CML N | Channelmaster-Neutron | | | | Details |
| CMLL | MLL Conductivity | | | | Details |
| CMLP | Coring Motor Linear Position | | | | Details |
| CMLP_DL | Coring Motor Linear Position | | | | Details |
| CMLR | Medium Induction Test-loop Calibrated Real Medium_Induction_Conductivity | | | | Details |
| CMLX | Medium Induction Test-loop Calibrated Quad Medium_Induction_Conductivity | | | | Details |
| CMM | Corporate Management Manual | | | | Details |
| CMMS | Computerized Maintenance Management Framework | | | | Details |
| CMO | Chief Marketing Officer | | | | Details |
| CMOP | Choke Manifold Operating Pressure | | | | Details |
| CMP | Common Midpoint (geophysics) | | | | Details |
| CMP | Common Mid Point | | | | Details |
| CMP | compressional | | | | Details |
| CMP | Critical Mud Pressure | | | | Details |
| CMPARTR | comparator | | | | Details |
| CMPD | compound | | | | Details |
| CMPL | Completion | | | | Details |
| CMPR | cubic meter per radian | | | | Details |
| Cmpt | compact | | | | Details |
| CMPT | Centre for Marine & Petroleum Technology UK | | | | Details |
| CMR | Combinable Magnetic Resonance (Schlumberger NMR type logging tool) | | | | Details |
| CMR | CMR Log | | | | Details |
| CMR | Combinable Magnetic Resonance | | | | Details |
| CMR | CAMEROON | | | | Details |
| CMR | Combinable Magnetic Resonance Tool | | | | Details |
| CMR | Caliper Minus Reference | | | | Details |
| CMRM | Medium Induction Response Matched | | | | Details |
| CMRP | CMR Porosity | | | | Details |
| CMRP_MW | CMR Porosity - Multi Wait | | | | Details |
| CMRP_MW_SIG | Standard Deviation of CMR Porosity - Multi Standard_Deviation | | | | Details |
| CMRP_MW_SL | CMR Porosity - Multi Wait - Station Log | | | | Details |
| CMRP_SIG | Standard Deviation of CMR Porosity | | | | Details |
| CMRP_SIG_SL | Standard Deviation of CMR Porosity - | | | | Details |
| CMRP_SL | CMR Porosity - Station Log | | | | Details |
| CMR_GAIN | CMR System Gain | | | | Details |
| CMR_GAIN_SL | CMR System Gain - Station Log | | | | Details |
| CMS | Corporate Management System | | | | Details |
| CMS | carboxy methyl starch | | | | Details |
| CMS | continuous monitoring system | | | | Details |
| CMSF | Micro SFL Conductivity | | | | Details |
| CMSN | CMR Signal To Noise Ratio | | | | Details |
| CMSN_SL | CMR Signal To Noise Ratio - Station Log | | | | Details |
| CMSP | coastal and marine spatial planning | | | | Details |
| CMSS | (cubic meter per second) per (cycle per second) | | | | Details |
| Cmt | Cement | | | | Details |
| cmt | cemented/cement | | | | Details |
| CMT | Circumferential Microsonic Tool | | | | Details |
| Cmt, cmt | cement (-ed, -ing) | | | | Details |
| CMTD | cable mounted tension device | | | | Details |
| Cmtd | cemented | | | | Details |
| CMVB | Medium Induction Very Enhanced Borehole | | | | Details |
| CMVR | Medium Induction Very Enhanced Resolution | | | | Details |
| CMW | Connected Mobile Worker | | | | Details |
| CMW1 | Maximum of Compressional Spectrum for | | | | Details |
| CMW2 | Maximum of Compressional Spectrum for | | | | Details |
| CMW3 | Maximum of Compressional Spectrum for | | | | Details |
| CMW4 | Maximum of Compressional Spectrum for | | | | Details |
| CMZD | AGS Coincidence Message Job Depth | | | | Details |
| CMZT | AGS Coincidence Message Job Time | | | | Details |
| CN | Compensated Neutron Log | | | | Details |
| CN | CANADA | | | | Details |
| CN | COMOROS | | | | Details |
| CN | CANADA | | | | Details |
| CN | CHINA | | | | Details |
| CN | cetane number | | | | Details |
| CN | Class Number | | | | Details |
| CN | Compensated Neutron Log | | | | Details |
| CN/BD | control building | | | | Details |
| CNA | Capture Sodium | | | | Details |
| CNACG | China National Administration of Coal Geology China | | | | Details |
| CNC | Caliper corrected compensated Neutron Porosity | | | | Details |
| CNCF | Field Normalized Compensated Neutron Porosity | | | | Details |
| CNCF | field-normalised compensated neutron porosity | | | | Details |
| cncn | concentric | | | | Details |
| CND | Compensated Neutron Density | | | | Details |
| CND | conduit | | | | Details |
| CND | Corbon Number Distillation | | | | Details |
| CNDL | Compensated Neutron Density | | | | Details |
| CNDTN | condition | | | | Details |
| CNEC | Corrected Near Epithermal Counts | | | | Details |
| CNF | Confirmation | | | | Details |
| CNF1 | Correlation Normalize Factor D1 | | | | Details |
| CNF2 | Correlation Normalize Factor D2 | | | | Details |
| CNF3 | Correlation Normalize Factor D3 | | | | Details |
| CNF4 | Correlation Normalize Factor D4 | | | | Details |
| CNF5 | Correlation Normalize Factor D5 | | | | Details |
| CNF6 | Correlation Normalize Factor D6 | | | | Details |
| CNF7 | Correlation Normalize Factor D7 | | | | Details |
| CNF8 | Correlation Normalize Factor D8 | | | | Details |
| CNFDP | CNFD True Vertical Depth Playback Log | | | | Details |
| CNFS | Square Root of Surface Waveform | | | | Details |
| CNG | Compressed Natural Gas www.coselle.com | | | | Details |
| CNG | Compressed Natural Gas | | | | Details |
| CNG | Consolidated Natural Gas Supply Company | | | | Details |
| CNGP | CNG Producing Committee | | | | Details |
| CNGR | Compensated Neutron Gamma Ray Log | | | | Details |
| CNI | Conoco Norway Norway | | | | Details |
| CNIS | Corrected net near detector inelastic | | | | Details |
| CNK1 | Correlation Normalization Factor K Axis | | | | Details |
| CNK2 | Correlation Normalization Factor K Axis | | | | Details |
| CNK3 | Correlation Normalization Factor K Axis | | | | Details |
| CNK4 | Correlation Normalization Factor K Axis | | | | Details |
| CNK5 | Correlation Normalization Factor K Axis | | | | Details |
| CNL | Compensated Neutron Log | | | | Details |
| CNl | Compensated Neutron log Messung | | | | Details |
| CNL | Compensated Neutron Log. | | | | Details |
| CNL | compensated neutron log Radioactive neutron source bombards the formation with high energy neutrons, which are slowed and captured by atoms of the formation The low energy neutrons are reflected back to the tool and counted The amount of neutrons returning is inversely proportional to the porosity of the formation | | | | Details |
| cnl | Contour | | | | Details |
| CNLC | China National Logging Company | | | | Details |
| CNLFD | CNL/FDC Log | | | | Details |
| CNLOPB | Canada-Newfoundland and Labrador Offshore Petroleum Board | | | | Details |
| CNLP | Compensated Neutron Log Porosity | | | | Details |
| CNLSC | CN Long Space Counts | | | | Details |
| CNOC | China National Oil Company | | | | Details |
| CNODC | China National Oil & Gas Exploration & Development Corp. (see CSPC) China | | | | Details |
| CNOOC | China National Offshore Oil Corporation China | | | | Details |
| CNP | Compensated Neutron Porosity | | | | Details |
| CNP | Compensated Neutron Log Porosity | | | | Details |
| CNPC | China National Petroleum Corporation | | | | Details |
| CNPC | China National Petroleum Corporation China | | | | Details |
| CNPH | Corrected Neutron Porosity | | | | Details |
| CNPOR | CN selected Porosity | | | | Details |
| CNPORU | CN Limestone Porosity uncorrected | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNR | corner | | | | Details |
| CnR | Conclusion and Recommendation | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNRAT | CN Ratio | | | | Details |
| CnRs | Conclusions and Recommendations | | | | Details |
| CNS | Central North Sea | | | | Details |
| CNS | Compensated Neutron Service | | | | Details |
| CNSI | Conoco North Sea Inc. Norway | | | | Details |
| CNSOPB | Canada Nova Scotia Offshore Petroleum Board | | | | Details |
| CNSOPB | Canada-Nova Scotia Offshore Petroleum Board | | | | Details |
| CNSSC | CN Short Space Counts | | | | Details |
| CNT | Compensated Neutron Tool | | | | Details |
| CNT | Compensated Neutron | | | | Details |
| CNT | Geochemical Log | | | | Details |
| cnt | CPS-3 Contour | | | | Details |
| CNT | Roller Centraliser | | | | Details |
| CNT | Compensated Neutron Tool | | | | Details |
| CNT-A/H | Compensated Neutron Log | | | | Details |
| CNT-G | Dual-Energy Neutron Log | | | | Details |
| CNTC | Corrected Near Thermal Count Rate | | | | Details |
| cntf | centrifuge | | | | Details |
| cntl | control(s) | | | | Details |
| CNTN | containment | | | | Details |
| cntr | center(d) | | | | Details |
| cntr | container | | | | Details |
| cntr | controller | | | | Details |
| cntr | center | | | | Details |
| cntr | center (-ed) | | | | Details |
| cntrt | contorted | | | | Details |
| CNTS | Slim Compensated Neutron Tool | | | | Details |
| CNTS | count | | | | Details |
| CNTWT | counter weight | | | | Details |
| Cnty | county | | | | Details |
| CNUM | Core Number | | | | Details |
| cnvr | conveyor | | | | Details |
| CNX1 | Correlation Normalization Factor X Axis | | | | Details |
| CNX2 | Correlation Normalization Factor X Axis | | | | Details |
| CNX3 | Correlation Normalization Factor X Axis | | | | Details |
| CNX4 | Correlation Normalization Factor X Axis | | | | Details |
| CNX5 | Correlation Normalization Factor X Axis | | | | Details |
| cnxns | connections | | | | Details |
| CNY | Yuan Renminbi | | | | Details |
| CNY | Chinese yuan renminbi | | | | Details |
| CNY1 | Correlation Normalization Factor Y Axis | | | | Details |
| CNY2 | Correlation Normalization Factor Y Axis | | | | Details |
| CNY3 | Correlation Normalization Factor Y Axis | | | | Details |
| CNY4 | Correlation Normalization Factor Y Axis | | | | Details |
| CNY5 | Correlation Normalization Factor Y Axis | | | | Details |
| CNZ1 | Correlation Normalization Factor Z Axis | | | | Details |
| CNZ2 | Correlation Normalization Factor Z Axis | | | | Details |
| CNZ3 | Correlation Normalization Factor Z Axis | | | | Details |
| CNZ4 | Correlation Normalization Factor Z Axis | | | | Details |
| CNZ5 | Correlation Normalization Factor Z Axis | | | | Details |
| Co | Compressibility of Oil|| | Compressibility of Oil | Kompressibilität von Öl | Compressibilité du pétrole | Details |
| CO | change out (ex. from rod equipment to casing equipment) | | | | Details |
| CO | COLOMBIA | | | | Details |
| CO | circulate out, mud logging term | | | | Details |
| CO | carbon monoxide | | | | Details |
| Co | cobalt | | | | Details |
| CO | Colorado | | | | Details |
| Co | Company | | | | Details |
| co | clean out or cleaning out | | | | Details |
| CO | Carbon Dioxide | | | | Details |
| CO | carbon oxygen | | | | Details |
| CO | circulated out | | | | Details |
| CO | clean out | | | | Details |
| CO | cleaning out, cleaned out | | | | Details |
| CO | crude oil | | | | Details |
| CO | Controlling | | | | Details |
| Co | Compressibility of Oil | | | | Details |
| CO | Klasse-C-Vorrat Öl (Tonne-%) | Class C oil reserves | | | Details |
| CO | Controlling | | | | Details |
| CO | Cobalt | | | | Details |
| CO | Cost Owner / KostenVerantwortlicher | | | | Details |
| CO | circulated out | | | | Details |
| CO | Contractor | | | | Details |
| CO & S | clean out & shoot | | | | Details |
| co-op | cooperative | | | | Details |
| Co. | Op. company operated | | | | Details |
| Co. | Op. S.S. company-operated service stations | | | | Details |
| CO2 | Carbon Dioxide | | | | Details |
| CO2e | carbon dioxide equivalent | | | | Details |
| CO2SRMS | CO2 Storage Resources Management System | | | | Details |
| COA | Contract Of Affreightment | | | | Details |
| CoA | Chart of Accounts | | | | Details |
| COA | Chart of Account | | | | Details |
| COACP | Contract Of Affreightment Charter Party | | | | Details |
| Coal | sedimentary rock, often highly naturally fractured, composed of thermally modified plant remains | | | | Details |
| COAL | Coal | | | | Details |
| cob | Close Of Business (day) | | | | Details |
| COB | Close of Business | | | | Details |
| COB | Close of business | | | | Details |
| COB | Close of Business | | | | Details |
| COB | Close of Business | | | | Details |
| COBD | Conventional Overbalanced Drilling | | | | Details |
| COBIT | Bit conductance, oil based mud | | | | Details |
| COBLDN | Closing Of Business LoDoN | | | | Details |
| COBOL | Common Business Oriented Language | | | | Details |
| COBOL | Common Business-Oriented Language | | | | Details |
| CoC | Code of Conduct | | | | Details |
| COC | Certificate of Conformance | | | | Details |
| COC | Cleveland open cup | | | | Details |
| CoC | Certificate of Conformity | | | | Details |
| COCHIME | Companie Chimique de la Mediterranee France | | | | Details |
| Coco | Coconino | | | | Details |
| COD | coefficient of determination|| | coefficient of determination | Bestimmtheitsmaß | coefficient de détermination | Details |
| COD | Cash On Delivery | | | | Details |
| COD | Chemical Oxygen Demand | | | | Details |
| COD | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| COD | Carbon Dioxide Deepening | | | | Details |
| Cod | Codell | | | | Details |
| COD | coefficient of determination | | | | Details |
| COD | Casing Outer Diameter | | | | Details |
| CODC | Casing/Pipe Outside Diameter | | | | Details |
| CODEC | COder DECoder | | | | Details |
| CODEC | COnsistent DECisions | | | | Details |
| CODESSAS | Cia. Operadora de Estaciones de Servicio S.A. de CV Mexico | | | | Details |
| COE | Center Of Excellence | | | | Details |
| COE | controllable operating expense | | | | Details |
| COE | Corps of Engineers | | | | Details |
| CoED | Chance of Economical Development | | | | Details |
| coef | coefficient | | | | Details |
| COEF | Delta-T MIN Coefficient used in the Drift | | | | Details |
| COEFF | Coefficient | | | | Details |
| COET | Cost Estimation Team | | | | Details |
| COF | Cost of Failure|| | Cost of Failure | Kosten des Scheiterns | Coût de l'échec | Details |
| CoF | Certificate of Fitness (final part of medical check) | | | | Details |
| COF | Coefficient of Fraction | | | | Details |
| COF | calculated open flow | | | | Details |
| COF | calculated open flow(potential) | | | | Details |
| COF | Cost of Failure | | | | Details |
| COF | Consequence of Failure | | | | Details |
| COFCAW | a tertiary recovery mechanist consisting of combustion and water flooding | | | | Details |
| COFF | Command Echo, Casing Anomaly Locator | | | | Details |
| COFR | Connection Oil Flow Rate | | | | Details |
| COG | CONGO | | | | Details |
| COG | coke oven gas | | | | Details |
| COGA | Colorado Oil & Gas Association | | | | Details |
| Cogec | Costieri Genovesi Petroliferi | | | | Details |
| COGEH | Canadian Oil and Gas Evaluation Handbook | | | | Details |
| COGI | Canada Oil & Gas International | | | | Details |
| COGS | Cost of Goods Sold | | | | Details |
| COGSA | Carriage of Goods by Sea Act | | | | Details |
| COH | With Openhole Data Included | | | | Details |
| COH(SLO,TIMEINT) | slowness time coherence | | | | Details |
| COH1 | Value of Coherence at Frequency 1 | | | | Details |
| COH2 | Value of Coherence at Frequency 2 | | | | Details |
| COH3 | Value of Coherence at Frequency 3 | | | | Details |
| COH4 | Value of Coherence at Frequency 4 | | | | Details |
| COHC | Coherence Value at Compressional Peak | | | | Details |
| Cohesv | cohesive | | | | Details |
| COHS | Coherence Value at Shear Peak | | | | Details |
| COIL | Compressibility of Oil | | | | Details |
| COIR | Coloration of Reference | | | | Details |
| COK | COOK ISLANDS | | | | Details |
| COL | Collar Log | | | | Details |
| COL | Cost Of Living | | | | Details |
| COL | COLOMBIA | | | | Details |
| COL | collar | | | | Details |
| COL | colored | | | | Details |
| COL | column | | | | Details |
| Col | ASTM Color American Standard Test Method | | | | Details |
| Col | color | | | | Details |
| Col, col | color | | | | Details |
| COLA | Cost of Living Allowance | | | | Details |
| Cole | Jct Coleman Junction | | | | Details |
| coll | collect(ed)(ing)(ion) | | | | Details |
| Colloq | Colloquial (means informal) | | | | Details |
| coln | colonial | | | | Details |
| COLPET | Colombian Petroleum Co. Colombia | | | | Details |
| colr | collar | | | | Details |
| COM | Chance Of Maturation|| | Chance Of Maturation | Chance Reife | Chance Of Maturation | Details |
| COM | Completion | | | | Details |
| COM | COMOROS | | | | Details |
| Com | Comanche | | | | Details |
| Com | Comatula | | | | Details |
| com | common | | | | Details |
| Com | Pk Comanche Peak | | | | Details |
| COM | Chance Of Maturation | | | | Details |
| COM | Communications | | | | Details |
| CoM | Chance of Maturation | | | | Details |
| COM | Completion | | | | Details |
| Com AVL | Compensated Acoustic Velocity Log | | | | Details |
| Com AVL-G | Compensated Acoustic Velocity | | | | Details |
| Com AVL-N | Compensated Acoustic Velocity | | | | Details |
| Com Den | Compensated Density | | | | Details |
| Com Den-GR | Compensated Density Gamma Ray | | | | Details |
| COMAN | Compositional Analysis | | | | Details |
| comb | combined, combination | | | | Details |
| COMB | combustion | | | | Details |
| COMESA | Cie. Mexicana de Exploraciones S.A. Mexico | | | | Details |
| COMGAS | Companhia de Gas de Sao Paolo Brazil | | | | Details |
| COML | Compaction Log | | | | Details |
| coml | commercial | | | | Details |
| Comm | community, communitized | | | | Details |
| comm | commenced | | | | Details |
| comm | commission | | | | Details |
| comm | communication | | | | Details |
| comm | community | | | | Details |
| COMMEGO | Committee on Geology & Mineral Resources Bulgaria | | | | Details |
| commr | commissioner | | | | Details |
| COMP | Composite Log | | | | Details |
| Comp | complete, completion, completed | | | | Details |
| comp | complete(ed)(tion) | | | | Details |
| comp | nat completed natural | | | | Details |
| Comp | Compartment | | | | Details |
| comp | completed (-tion) | | | | Details |
| compnts | components | | | | Details |
| COMPR | Completion Program Report | | | | Details |
| compr | compressor | | | | Details |
| compr | st compressor station | | | | Details |
| compt | compartment | | | | Details |
| COMPT | components | | | | Details |
| COMPTR | computer | | | | Details |
| COMPU | Computest Report | | | | Details |
| COMP_BUCKLING | The computed critical buckling load that | | | | Details |
| COMP_TENSION | The computed tension in the drill string | | | | Details |
| COMP_TORQUE | The computed torque on the drillstring | | | | Details |
| COMRE | Completion Record Log | | | | Details |
| COMT | comment | | | | Details |
| COMUT | commutator | | | | Details |
| CON | Condensate | | | | Details |
| con | consolidated | | | | Details |
| CON | Conductivitty | | | | Details |
| Con Dr. | Continuous Drift | | | | Details |
| conc | concentrate | | | | Details |
| conc | concentric | | | | Details |
| conc | concrete | | | | Details |
| Conc, conc | concretion (-ary) | | | | Details |
| CONCAWE | Conservation of Clean Air and Water in Europe | | | | Details |
| CONCAWE | Oil companies’ European organization for environment, health and safety Belgium | | | | Details |
| conch | conchoidal | | | | Details |
| concl | conclusion | | | | Details |
| cond | condensate | | | | Details |
| cond | condition(ed)(ing) | | | | Details |
| COND | Fluid Conductivity | | | | Details |
| COND | Condensate/condition | | | | Details |
| CONDE | Condensate Analysis Report | | | | Details |
| Condns | condensate | | | | Details |
| CONDR | Continuous Directional Log | | | | Details |
| condr | conductor ( csq) | | | | Details |
| condr | conductor(pipe) | | | | Details |
| condt | conductivity | | | | Details |
| CONE | Calibrated Pressure Ones Digit | | | | Details |
| conf | confidential | | | | Details |
| conf | confirm(ed)(ing) | | | | Details |
| confl | conflict | | | | Details |
| cong | conglomerate(itic) | | | | Details |
| CONG | Conglomerate Facies | | | | Details |
| congl | conglomerate (itic) | | | | Details |
| congl | conglomerate | | | | Details |
| CONL | Contact | | | | Details |
| conn | connection | | | | Details |
| cono | conodonts | | | | Details |
| Cono | conodont | | | | Details |
| CONOCO | Continental Oil Co. | | | | Details |
| Cons | consolidated | | | | Details |
| cons | considerable | | | | Details |
| consol | consolidated | | | | Details |
| CONSPAIN | Continental Oil Co. of Spain (Conoco Espanola, S.A.) Spain | | | | Details |
| conspic | conspicuous | | | | Details |
| const | constant | | | | Details |
| const | construction | | | | Details |
| CONST | Constant | | | | Details |
| CONST | Construction & fabrication | | | | Details |
| consv | conserve, conservation | | | | Details |
| CONT | CONTainer | | | | Details |
| Cont | Contact Caliper | | | | Details |
| Cont | content | | | | Details |
| cont(d) | continue(ed) | | | | Details |
| contam | contaminated, contamination | | | | Details |
| Contam, contam | contamination (-ed) | | | | Details |
| contd | continued | | | | Details |
| Contr | contractor | | | | Details |
| contr | resp contractor responsibility | | | | Details |
| contrib | contribution | | | | Details |
| conv | converse | | | | Details |
| Conv | convolute | | | | Details |
| CONV-MODE | Conveyance Method | | | | Details |
| CONVT | convector, convection | | | | Details |
| COO | Chief Operating Officer|| | Chief Operating Officer | Chief Operating Officer | Chief Operating Officer | Details |
| COO | Chief Operating Officer | | | | Details |
| COOH | coming out of hole | | | | Details |
| COOP | Societe Cooperative Des Petroles Egypt | | | | Details |
| coord | coordinates | | | | Details |
| coord | coordinate | | | | Details |
| COORD | Coordinate | | | | Details |
| COP | Communitee Of Practice | | | | Details |
| COP | Custom Of Port | | | | Details |
| COP | crude oil purchasing | | | | Details |
| COP | Colombian Peso | | | | Details |
| COP | Cease Of Production | | | | Details |
| COP | Close Of Play | | | | Details |
| COP | Colombian peso | | | | Details |
| COP | Community of Practice | | | | Details |
| CoP | Community of Practice | | | | Details |
| COP | Cumulative Oil Production | | | | Details |
| COPAREX | Companie de Participations, de Recherches et d’Exploitations Petrolieres France | | | | Details |
| COPAS | Council of Petroleum Accountants Society | | | | Details |
| COPAS | Council of Petroleum Accountant Societies | | | | Details |
| COPs | Codes of Practice | | | | Details |
| coq | coquina | | | | Details |
| Coq | conquina | | | | Details |
| coqid | conquina (-oid) | | | | Details |
| COR | Coring Run | | | | Details |
| cor | corner | | | | Details |
| COR | Carbon Dioxide Redrill | | | | Details |
| COR | Carbon/Oxygen Ratio | | | | Details |
| COR | Cost Optimization Review | | | | Details |
| COR | Cost OverRun | | | | Details |
| COR | Clean Operating Result | | | | Details |
| COR | Coring Run | | | | Details |
| Cor Det | Electro-Magnetic Corrosion Detector | | | | Details |
| Cor, corln | coral, coralline | | | | Details |
| CORAL | Cost Reduction Alliance Malaysia | | | | Details |
| CORAN | Core Analysis Report | | | | Details |
| CORC | Cairo Oil Refining Company Egypt | | | | Details |
| CORC | Casing/Pipe Nominal Outer Radius | | | | Details |
| CORCO | Commonwealth Oil Refining Co., Inc. | | | | Details |
| CORE | Core Report | | | | Details |
| CORG | Corgun Log | | | | Details |
| CORIB | Coriband Log | | | | Details |
| CORL | Correlation | | | | Details |
| CORLG | Correlation Log | | | | Details |
| COROR | Core Orientation Report | | | | Details |
| Corp | corporation | | | | Details |
| corr | corrected, correction | | | | Details |
| corr | correct(ed)(ion) | | | | Details |
| corr | corrosion | | | | Details |
| corr | corrugated | | | | Details |
| CORR | Correlation Log | | | | Details |
| correl | correlation, correlated | | | | Details |
| correl | correlation | | | | Details |
| corres | correspondence | | | | Details |
| CORS | Canadian Operational Research Society | | | | Details |
| CORT | Corrected Time tics (WST) | | | | Details |
| COR_PEAK | Correlation Peaks Generated by Correlate | | | | Details |
| COS | Class of Service | | | | Details |
| COS | Canadian Oil Sands | | | | Details |
| COS | Call Out Service | | | | Details |
| COS | carbonyl sulfide | | | | Details |
| COS | Chance of Success | | | | Details |
| COS | clean out & shoot | | | | Details |
| COSA | Crude Oil Sales Agreement | | | | Details |
| COSH | hyperbolic cosine | | | | Details |
| COSHH | Control of Substances Hazardous to Health | | | | Details |
| COSMO | Japan | | | | Details |
| COST | Coherence Value at Stoneley Peak | | | | Details |
| COTD | cleaned out to total depth | | | | Details |
| cotd gn | coated grains | | | | Details |
| cotd, cotg, Cotg | coated (-ing) | | | | Details |
| COTH | hyperbolic cotangent | | | | Details |
| Cott | G Cottage Grove | | | | Details |
| Counc | G Council Grove | | | | Details |
| cov | covered | | | | Details |
| COVA | Netherlands National Petroleum Stockpiling Agency (Stichting Centraal Orgaan Voorraadvorming Aardolieprodukten) Netherlands | | | | Details |
| COVA | Covariance | | | | Details |
| COW | Crude Oil Washing (for oil pollution recovery from the ocean) | | | | Details |
| COW | Crude Oil Washing | | | | Details |
| COWC | Current Oil Water Contact | | | | Details |
| COX | Carbon Dioxide Recompletion | | | | Details |
| COXSWAIN | Driver of a life boat | | | | Details |
| COXY | Carbon/Oxygen Log | | | | Details |
| CP | Cathodic Protection | | | | Details |
| CP | Cloud Point | | | | Details |
| CP | Casing Pressure | | | | Details |
| cp | Centipoise | | | | Details |
| CP | Core Point | | | | Details |
| CP | CLIPPERTON ISLAND | | | | Details |
| CP | casing point | | | | Details |
| cp | centipose(s) | | | | Details |
| cp | chemically pure | | | | Details |
| CP | correlation point | | | | Details |
| Cp | Colo Camp Colorado | | | | Details |
| CP | sonic compaction factor | | | | Details |
| CP | Closing Pressure | | | | Details |
| CP | Choke Pressure | | | | Details |
| CP | Cathodic Protection | | | | Details |
| CP | Cased & Perfed (completion type) | | | | Details |
| CP | cased and perforated | | | | Details |
| CP | cellar & pits | | | | Details |
| CP | Contracting & Procurement | | | | Details |
| CP01 | Electrical Standoff Voltage, Azimuth 1, 0 | | | | Details |
| CP02 | Electrical Standoff Voltage, Azimuth 2, 0 | | | | Details |
| CP03 | Electrical Standoff Voltage, Azimuth 3, 0 | | | | Details |
| CP04 | Electrical Standoff Voltage, Azimuth 4, 0 | | | | Details |
| CP05 | Electrical Standoff Voltage, Azimuth 5, 0 | | | | Details |
| CP06 | Electrical Standoff Voltage, Azimuth 6, 0 | | | | Details |
| CP07 | Electrical Standoff Voltage, Azimuth 7, 0 | | | | Details |
| CP08 | Electrical Standoff Voltage, Azimuth 8, 0 | | | | Details |
| CP09 | Electrical Standoff Voltage, Azimuth 9, 0 | | | | Details |
| CP1 | Conductivity of Pad 1 of HDT or SHDT | | | | Details |
| CP10 | Electrical Standoff Voltage, Azimuth 10, 0 Electric_Potential | | | | Details |
| CP11 | Electrical Standoff Voltage, Azimuth 11, 0 Electric_Potential | | | | Details |
| CP12 | Electrical Standoff Voltage, Azimuth 12, 0 Electric_Potential | | | | Details |
| CP2 | Conductivity of Pad 2 of HDT or SHDT | | | | Details |
| CP3 | Conductivity of Pad 3 of HDT or SHDT | | | | Details |
| CP4 | Conductivity of Pad 4 of HDT or SHDT | | | | Details |
| CPA | Cost per action | | | | Details |
| CPA | Cubic Plus Association | | | | Details |
| CPA | certified public accountant | | | | Details |
| CPA | Canadian Petroleum Association | | | | Details |
| CPAs | Citizen's Proposal Areas | | | | Details |
| CPAS | Volume of Carbon Plus Ash | | | | Details |
| CPC | Chinese Petroleum Corporation | | | | Details |
| CPC | casing pressure closed | | | | Details |
| CPC | Chinese Petroleum Corporation, Taiwan Republic of China | | | | Details |
| CPC | Caspian Pipeline Consortium Kazakhstan | | | | Details |
| CPC | Ceylon Petroleum Corporation Sri Lanka | | | | Details |
| CPC | Cost Per Click | | | | Details |
| CPC | Condensate Production Cumulative | | | | Details |
| CPCL | Chennai Petroleum Corp. Ltd. India | | | | Details |
| cpct | compact | | | | Details |
| CPD | Charterers Pay Dues | | | | Details |
| CPD | Completion Production Days | | | | Details |
| CPDO | Corrected Phase Shift DOWN | | | | Details |
| CPDP | Comite Professionel du Petrole France | | | | Details |
| CPDS | Choke Pressure DownStream | | | | Details |
| CPDT | Corrected depth | | | | Details |
| CPEC | China-Pakistan Economic Corridor | | | | Details |
| CPECC | China Petroleum Engineering Construction Corporation | | | | Details |
| CPEL | Corrosion And Protection Evaluation Log | | | | Details |
| CPEMA | Concurrent Production Eng Maintenance Activities | | | | Details |
| CPERM | Core Permeability | | | | Details |
| CPET | Corrosion And Protection Evaluation Log | | | | Details |
| CPF | Central Processing Facility | | | | Details |
| CPF | casing pressure flowing | | | | Details |
| CPG | Corner Point Geometry | | | | Details |
| CPG | cost per gallon | | | | Details |
| CPHU | Pressure 100s digit (calibrated) | | | | Details |
| CPI | Computed Petrophysical Interpretation | | | | Details |
| CPI | Carbon Preference Index | | | | Details |
| CPI | CPI Log | | | | Details |
| CPI | CPI log (computer-processed interpretation) | | | | Details |
| CPI | corrugated plate interceptor | | | | Details |
| CPI | PT Caltex Pacific Indonesia Indonesia | | | | Details |
| CPI | Consumer Price Index | | | | Details |
| CPI | Consumer Price Index | | | | Details |
| CPI | Cumulative Polymer Injection | | | | Details |
| CPI | Capital Project Index | | | | Details |
| CPIA | Cathodic Protection Industry Association | | | | Details |
| CPICB | CPI Coriband Log | | | | Details |
| CPIRE | CPI Report | | | | Details |
| CPL | Computed Porosity | | | | Details |
| CPLB | Constant Pressure Lower Boundary | | | | Details |
| cplg | coupling | | | | Details |
| CPLT | CTS Production Logging Tool | | | | Details |
| CPM | Capital Project Management | | | | Details |
| CPM | cycles per minute | | | | Details |
| CPM | Critical Path Methodology | | | | Details |
| CPND | Correction to Dolomite Neutron Porosity | | | | Details |
| CPNL | Correction to Limestone Neutron Porosity | | | | Details |
| CPNS | Correction to Sandstone Neutron Porosity | | | | Details |
| CPO | confirming telephone order | | | | Details |
| CPO | Chief Procurement Officer | | | | Details |
| CPOHP | Cumulative production of hindcast period | | | | Details |
| CPON | Pressure 1s digit (calibrated) | | | | Details |
| CPOR | Core porosity | | | | Details |
| CPOR | Core Porosity | | | | Details |
| CPOR | Core Porosity | | | | Details |
| CPOR | Porosity from Core | | | | Details |
| CPOT | Computed Potassium | | | | Details |
| CPP | Central Processing Plant | | | | Details |
| CPP | Casing Potential Profile | | | | Details |
| CPP | Casing Potential Profile | | | | Details |
| CPP | China Petroleum Pipeline | | | | Details |
| CPP | Cumulative Polymer Production | | | | Details |
| CPPC | CPP | | | | Details |
| CPQ | CLIPPERTON ISLAND | | | | Details |
| CPR | Cardio Pulmonary Resuscitation | | | | Details |
| CPR | Choke Performance Relationship | | | | Details |
| CPR | Cooper River Meridian(Alaska) | | | | Details |
| CPR | Caliper Plus Reference | | | | Details |
| CPRA | Concurrent Production & Rig Activities (SIMOPS) | | | | Details |
| CPRD | Z-System Casing Properties Ratio - 375 Hz | | | | Details |
| CPRE | Compressor Pressure | | | | Details |
| CPRI | Current Proppant Index | | | | Details |
| CPRM | Z-System Casing Properties Ratio - 1.5 KHz None | | | | Details |
| CPRO | MPT Conductivity | | | | Details |
| CPRS | Z-System Casing Properties Ratio - 6 KHz | | | | Details |
| CPS | central power station | | | | Details |
| CPS | cycles per second | | | | Details |
| CPS | Contour Plotting System | | | | Details |
| CPS | cement-pumping skid | | | | Details |
| cps | count per second | | | | Details |
| CPS | count per second | | | | Details |
| CPS | Construction Paint System | | | | Details |
| CPSC | Consumer Product Safety Commission | | | | Details |
| CPSD | Pumper Group Slurry Density | | | | Details |
| CPSI | casing pressure shut in | | | | Details |
| CPSR | Current Pumper Slurry Flowrate | | | | Details |
| CPST | Caliper Processing Status - Tool | | | | Details |
| CPSV | Current Pumper Slurry Volume | | | | Details |
| CPT | Compliant Piled Tower (Deepwater) | | | | Details |
| CPT | Carriage Paid To | | | | Details |
| CPT | CLIPPERTON ISLAND | | | | Details |
| cpt | cone penetration test | | | | Details |
| CPT | Component | | | | Details |
| CPTE | Pressure 10s digit (calibrated) | | | | Details |
| CPTH | Computed Potassium and Thorium | | | | Details |
| CPTs | Components | | | | Details |
| CPTU | Computed Potassium and Thorium and Uranium None | | | | Details |
| CPU | central processing unit | | | | Details |
| CPU | Cost per Unit | | | | Details |
| CPUB | Constant Pressure Upper Boundary | | | | Details |
| CPUC | California Public Utilities Commission | | | | Details |
| CPUP | Corrected Phase Shift UP | | | | Details |
| CPUS | Choke Pressure UpStream | | | | Details |
| CPUT | count total over a specified time window | | | | Details |
| CPV | Center Pocket Valve | | | | Details |
| CPV | CAPE VERDE | | | | Details |
| CPVC | Chlorinated polyvinyl chloride | | | | Details |
| CPVO | Caliper Plus(12) Volts Output | | | | Details |
| CPX | Complex Litho Model | | | | Details |
| CPY | Computed Precession on Y Axis | | | | Details |
| CPZ | Computed Precession on Z Axis | | | | Details |
| CP_CP | Confining Pressure vs. Confining Pressure | | | | Details |
| cp’d | cemented through perforations | | | | Details |
| CQ | NORTHERN MARIANA ISLANDS | | | | Details |
| CQ | CORAL SEA ISLANDS | | | | Details |
| CQ | Combined Quality | | | | Details |
| CQ01 | Electrical Standoff Voltage, Azimuth 1, 90 Electric_Potential | | | | Details |
| CQ02 | Electrical Standoff Voltage, Azimuth 2, 90 Electric_Potential | | | | Details |
| CQ03 | Electrical Standoff Voltage, Azimuth 3, 90 Electric_Potential | | | | Details |
| CQ04 | Electrical Standoff Voltage, Azimuth 4, 90 Electric_Potential | | | | Details |
| CQ05 | Electrical Standoff Voltage, Azimuth 5, 90 Electric_Potential | | | | Details |
| CQ06 | Electrical Standoff Voltage, Azimuth 6, 90 Electric_Potential | | | | Details |
| CQ07 | Electrical Standoff Voltage, Azimuth 7, 90 Electric_Potential | | | | Details |
| CQ08 | Electrical Standoff Voltage, Azimuth 8, 90 Electric_Potential | | | | Details |
| CQ09 | Electrical Standoff Voltage, Azimuth 9, 90 Electric_Potential | | | | Details |
| CQ10 | Electrical Standoff Voltage, Azimuth 10, | | | | Details |
| CQ11 | Electrical Standoff Voltage, Azimuth 11, | | | | Details |
| CQ12 | Electrical Standoff Voltage, Azimuth 12, | | | | Details |
| CQD | Customary Quick Despatch | | | | Details |
| CQG | Crystal Quartz Gauge | | | | Details |
| CQG | Combinable Quartz Gauge | | | | Details |
| CQI | Continuous Quality Improvement | | | | Details |
| CQP | Cement Quality Parameters | | | | Details |
| Cr | Chrome | | | | Details |
| CR | Casing Run | | | | Details |
| CR | Current Rate | | | | Details |
| Cr | Crane | | | | Details |
| CR | Cored | | | | Details |
| CR | COMOROS | | | | Details |
| CR | CORAL SEA ISLANDS | | | | Details |
| CR | COMOROS | | | | Details |
| CR | COSTA RICA | | | | Details |
| Cr | chrome 13Cr is 13% chrome | | | | Details |
| Cr | chromium | | | | Details |
| CR | cold rolled | | | | Details |
| CR | compression ratio | | | | Details |
| CR | Cow Run | | | | Details |
| CR | Con carbon residue(Conradson) | | | | Details |
| cr | moly chrome molybdenum | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | Crystal Reports | | | | Details |
| CR | Change Request | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | SAP Crystal Reports | | | | Details |
| CR | Corrosion Rate | | | | Details |
| CR | Contingent Resource | | | | Details |
| CR | Change Request | | | | Details |
| CR | circulate and reciprocate | | | | Details |
| CR | Conclusions & Recommendations | | | | Details |
| Cr+6 | hexavalent chromium | | | | Details |
| CR-MSN | Gamma Ray – Multi-Spaced Neutron Log | | | | Details |
| CR1 | Cosine R1 | | | | Details |
| CR1A | Computed Resistivity Pad 1A Dip Button | | | | Details |
| CR2 | Cosine R2 | | | | Details |
| CR2A | Computed Resistivity Pad 2A Dip Button | | | | Details |
| CR3 | Computed Resistivity Pad 3 Dip Button | | | | Details |
| CR3A | Computed Resistivity Pad 3A Dip Button | | | | Details |
| CR4 | Computed Resistivity Pad 4 Dip Button | | | | Details |
| CR4A | Computed Resistivity Pad 4A Dip Button | | | | Details |
| CR6 | Corrosion Rate 6 ft | | | | Details |
| CRA | Corrosion Resistant Alloy (material) | | | | Details |
| CRA | Change Rams | | | | Details |
| CRA | Corrosive Resistive Alloy | | | | Details |
| CRA | corrosion resistant alloy | | | | Details |
| CRA | cased reservoir analysis | | | | Details |
| CRA | chemically retarded acid | | | | Details |
| CRA | Complex Reservoir Analysis | | | | Details |
| CRA | Change Rams | | | | Details |
| CRAS | Corrosion Risk Assessment Study | | | | Details |
| CRAT | Capture Gamma Ray Count Rate Ratio | | | | Details |
| CRB | Constant Rate Build-up | | | | Details |
| CRB | Calibrated Relative Bearing | | | | Details |
| CRB1 | CSAT-1 Relative Bearing | | | | Details |
| CRB2 | CSAT-2 Relative Bearing | | | | Details |
| CRB3 | CSAT-3 Relative Bearing | | | | Details |
| CRB4 | CSAT-4 Relative Bearing | | | | Details |
| CRBD | Coriband-Kerogen Analysis | | | | Details |
| crbd | crossbedded | | | | Details |
| Crbly | crumbly | | | | Details |
| crbnt | carbonate | | | | Details |
| CRC | Coordinating Research Council, Inc. | | | | Details |
| CRC | Czech Refinery Company Czech Rep. | | | | Details |
| CRC | Costa Rican Colon | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRC | Costa Rican colon | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRCMF | circumference | | | | Details |
| Crd | cored | | | | Details |
| CRD | Constant Rate Drawdown | | | | Details |
| CRDL | cradle(s) | | | | Details |
| CRE | Comision Reguladora de Energia Mexico | | | | Details |
| cren | crenulated | | | | Details |
| CRER | Current Return Flowrate | | | | Details |
| CRET | Cement Retainer Setting Log | | | | Details |
| Cret | Cretaceous | | | | Details |
| CRET | Cement Retainer | | | | Details |
| CRF | Cost Recovery Factor | | | | Details |
| CRFI | RST Far Instantaneous Count Rate | | | | Details |
| Crg | coring | | | | Details |
| CRI | COSTA RICA | | | | Details |
| CRI | Cuttings Re-Injection well | | | | Details |
| Crin | crinoid(al) | | | | Details |
| Crin, crinal | crinoid (-al) | | | | Details |
| Cris | Christellaria | | | | Details |
| crit | critical | | | | Details |
| CRIT_MUD_PRES | Critical Mud Pressure | | | | Details |
| crk | creek | | | | Details |
| crkg | cracking | | | | Details |
| Crkr | cracker | | | | Details |
| CRL | Cost Recovery Limit | | | | Details |
| CRL | Coloration | | | | Details |
| CRM | Customer Relationship Management | | | | Details |
| CRM | Cumulative Risk Management | | | | Details |
| CRM | Capacitance Resistance Modelling | | | | Details |
| crm | cream | | | | Details |
| CRMC | MCFL Mudcake Resistivity | | | | Details |
| CRMI | Circle Hole Radius Minimum | | | | Details |
| CRN | crane | | | | Details |
| crn | blk crown block | | | | Details |
| CRN | correction | | | | Details |
| CRNI | RST Near Instantaneous Count Rate | | | | Details |
| crnk | crinkled | | | | Details |
| CROB | Cargo Remaining OnBoard | | | | Details |
| CROC | Clayey Rocks | | | | Details |
| Crom | Cromwell | | | | Details |
| CRP | control riser platform | | | | Details |
| CRP | common/central reference point (subsea survey) | | | | Details |
| CRP | Control-cum-Riser Platform | | | | Details |
| CRP | Bureau de Recherche de Petrole France | | | | Details |
| CRP | Commercial Review Panel | | | | Details |
| Crpxl | cryptocrystalline | | | | Details |
| crpxln | crumpled | | | | Details |
| crpxln | crystocrystalline | | | | Details |
| CRR | Companie Rhenane de Raffinage France | | | | Details |
| CRRA | RST Near/Far Instantaneous Count Rate | | | | Details |
| CRRN | RAW AMPLITUDE | | | | Details |
| CRRR | RST Count Rate Regulation Ratio | | | | Details |
| crs | coarse(ly) | | | | Details |
| CRS | cold-rolled steel | | | | Details |
| CRS | cross | | | | Details |
| Crs | coarse | | | | Details |
| CRS | Coordinate Reference System | | | | Details |
| crs | coarse | | | | Details |
| crs-xln | coarse crystalline | | | | Details |
| CRSP | RST Count Rate Regulation Set Point | | | | Details |
| CRSS | Crosscorrelation Buffer | | | | Details |
| CRT | Casing Running Tools | | | | Details |
| CRT | Clamp Replacement tool | | | | Details |
| CRT | cathode ray tube | | | | Details |
| CRT | Commercial Road Transport | | | | Details |
| CRT | Casing Running Tool | | | | Details |
| CRT | Core Rock Types | | | | Details |
| CRT | Candidate Rock Typing | | | | Details |
| CRTH | Z System Pipe/Air Voltage Magnitude Radius None | | | | Details |
| CRU | catalytic reforming unit | | | | Details |
| CRV | curve | | | | Details |
| CRV | Cumulative Risk Visualization | | | | Details |
| crypto-xln | cryptocrystalline | | | | Details |
| cryst | crystalline | | | | Details |
| Crystal | crystals | | | | Details |
| CrystalSeal | See PGS | | | | Details |
| CS | Critical Service (tubing) | | | | Details |
| CS | Con-Slot Filter | | | | Details |
| CS | Completions Supervisor | | | | Details |
| CS | Casing Shoe | | | | Details |
| CS | Cullender and Smith (wellhead gauge) | | | | Details |
| CS | Carbon Steel | | | | Details |
| CS | COSTA RICA | | | | Details |
| CS | SERBIA AND MONTENEGRO | | | | Details |
| CS | casing seat | | | | Details |
| CS | cast steel | | | | Details |
| cs | centistokes | | | | Details |
| CS | Coal Seam Analysis | | | | Details |
| CS | Casing size | | | | Details |
| CS | Kammerlift ohne Syphonrohr | | | | Details |
| CS | CS Kammerlift ohne Syphonrohr | | | | Details |
| cs | Color Scale | | | | Details |
| CS | Corporate Strategy | | | | Details |
| CS | Compressor Station | Kompressorstation | | | Details |
| CS | Cesium | | | | Details |
| CS | Cable Speed | | | | Details |
| CS | Cased and Suspended | | | | Details |
| CS | Campana & Schott | | | | Details |
| CS | Condensed Section | | | | Details |
| CS - Filter | Con-Slot Filter | | | | Details |
| CS-AP | Cake Saver Acid Placement (Baker gravel pack tool) | | | | Details |
| CS2 | carbon disulfide | | | | Details |
| CS6 | Lateral 6 ft. | | | | Details |
| CSA | Canadian Standard Association Approval (see comment) | | | | Details |
| CSA | casing set at | | | | Details |
| CSA | Controlled Self Assessment | | | | Details |
| CSA | Customer Service Agreement | | | | Details |
| CSAP | Cake Saver Acid Placement (Baker gravel pack tool) | | | | Details |
| CSAT | Seismic Acquisition Tool | | | | Details |
| CSB | Conventional Sample Bottle (SLB) | | | | Details |
| CSB | Continuous Side By Side | | | | Details |
| CSBC | SFL Borehole Corrected Conductivity | | | | Details |
| CSBD | Resistivity Shallow Button down from RAB | | | | Details |
| CSBU | Cullender and Smith build-up (wellhead gauge build-up) | | | | Details |
| CSBU | Resistivity Shallow Button up from RAB | | | | Details |
| CSC | Compania Shell de Colombia Inc. | | | | Details |
| CSC | Crystallized superabsorbent copolymer | | | | Details |
| CSCC | Chloride Stress Corrosion Cracking | | | | Details |
| CSCH | hyperbolic constant | | | | Details |
| CSChE | Canadian Society or Chemical Engineering | | | | Details |
| CsCOOH | cesium formate | | | | Details |
| CSCR | Calibration Source Count Rate | | | | Details |
| CSCS | Crystallized superabsorbent copolymer system | | | | Details |
| CSDTM | compensated spectral density log | | | | Details |
| CSE | Chemical Systems Engineering | | | | Details |
| CSE | Control Systems Engineering | | | | Details |
| cse | gr coarse grained | | | | Details |
| CSE | Casing Edge | | | | Details |
| CSE | Confined Space Entry | | | | Details |
| CSEG | Canadian Society of Exploration Geophysicist | | | | Details |
| CSEM | Controlled Source Electro-Magnetics | | | | Details |
| CSER | SFL Enhanced Resolution Conductivity | | | | Details |
| CSES | Casing Side Entry Sub | | | | Details |
| CsF | Caesium formate (coincidentally also an acronym of the sole large-scale supplier of caesium formate brine, cabot specialty fluids.) | | | | Details |
| CSF | Critical Success Factors | | | | Details |
| CsF | Caesium Formate | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| CSFA | SFL Conductivity (Averaged) | | | | Details |
| CSFB | Credit Suisse First Boston | | | | Details |
| CSFL | SFL Conductivity | | | | Details |
| CSFR | Structure of fundamental | | | | Details |
| CSFS | Cost & Schedule Fact Sheet | | | | Details |
| Csg | Casing | | | | Details |
| CSG | Coal Seam Gas | | | | Details |
| CSG | casing shoe | | | | Details |
| Csg. | Casing | | | | Details |
| CSGP | Compensated SGP (RSGP - SGOF) | | | | Details |
| CSGS | Critical Static Gel Strength | | | | Details |
| CSHK | Total shocks (CDR) | | | | Details |
| CSHN | Cased Hole Neutron Log | | | | Details |
| CSHO | Current Shot Number | | | | Details |
| CSI | CSI Log | | | | Details |
| CSI | Continual Service Improvement | | | | Details |
| CSI | ECS Capture Silicon Relative Yield | | | | Details |
| CSIA | Compound Specific Isotope Analysis | | | | Details |
| CSID | Casing Size Internal Diameter | | | | Details |
| CSID_DIAG | RST Casing Inner Diameter Diagnostic | | | | Details |
| CSIG | Corrected Total Cross-section | | | | Details |
| CSIP | Casing shut-in pressure | | | | Details |
| CSIS | Center for Strategic and International Studies | | | | Details |
| CSIZ | Current Casing Size | | | | Details |
| CSIZ_DIAG | RST Casing Size Diagnostic | | | | Details |
| CSK | countersink | | | | Details |
| CSK | Czechoslovakian koruna | | | | Details |
| CSL | county school lands | | | | Details |
| CSL | center section line | | | | Details |
| CSM | Colorado School of Mines | | | | Details |
| CSM | Capture Samarium | | | | Details |
| CSMN | Compressive Strength Minimum | | | | Details |
| CSMS | Cyber Security Management System | | | | Details |
| CSMT | Core Sampler Tester Log | | | | Details |
| CSMX | Compressive Strength Maximum | | | | Details |
| CSN | Conductivity Short-Normal | | | | Details |
| CSNC | Borehole-corrected Short Normal | | | | Details |
| CSNG | Compensated Spectral Natural Gamma Ray | | | | Details |
| CSNG | Compensated Spectral Natural Gamma Tool | | | | Details |
| CSO | Capital Staff Overhead | | | | Details |
| CSO | complete seal-off | | | | Details |
| CSO | Chief Security Officer | | | | Details |
| CSP | Casing Pressure | | | | Details |
| CSPC | China Southern Petroleum Exploration & Development Corp. (formerly CNODC, sub of CNPC)China | | | | Details |
| CSPE | Cable Speed | | | | Details |
| CSPG | Canadian Society of Petroleum Geologists | | | | Details |
| CSQ | CORAL SEA ISLANDS | | | | Details |
| CSQL | Compressive Strength Quicklook | | | | Details |
| CSR | Corporate Social Responsibility | | | | Details |
| CSR | Client Satisfaction Report | | | | Details |
| CSR | Company Site Representative | | | | Details |
| CSR | Country Specific Requirements | | | | Details |
| CSR | Casing Shear Ram | | | | Details |
| CSRA | Cost & Schedule Risk Analysis|| | Cost & Schedule Risk Analysis | Cost & Schedule Risk Analysis | Coût et calendrier Analyse des risques | Details |
| CSRA | Cost & Schedule Risk Analysis | | | | Details |
| CSRC | CO2 Storage Resources Committee | | | | Details |
| CSRD | Corporate Sustainability Reporting Directive | | | | Details |
| CSRM | Spherically Focused Response Matched | | | | Details |
| CSRs | Country Specific Requirements | | | | Details |
| CSS | Check Shot Surveys | | | | Details |
| CSS | Cyclic Steam Stimulation | | | | Details |
| CSST | ECS Capture Stainless Steel Relative Yield Elemental_Yield | | | | Details |
| CST | Core Sample Taker; Chronological Sample Taker | | | | Details |
| cSt | centi Stock (unit of viscosity) | | | | Details |
| CST | CentiSToke | | | | Details |
| CST | CST log | | | | Details |
| CST | Side Wall Coring (Core Sampler Taker) | | | | Details |
| CST | Sidewall Coring | | | | Details |
| CST | Sidewall Sampler | | | | Details |
| CST | Customer Steering Tool | | | | Details |
| CST1 | Compressive Strength for Transducer 1 | | | | Details |
| CST2 | Compressive Strength for Transducer 2 | | | | Details |
| CST3 | Compressive Strength for Transducer 3 | | | | Details |
| CST4 | Compressive Strength for Transducer 4 | | | | Details |
| CST5 | Compressive Strength for Transducer 5 | | | | Details |
| CST6 | Compressive Strength for Transducer 6 | | | | Details |
| CST7 | Compressive Strength for Transducer 7 | | | | Details |
| CST8 | Compressive Strength for Transducer 8 | | | | Details |
| CSTAK | Core Sample Taken Log | | | | Details |
| CSTH | Weatherford Storm Packer | | | | Details |
| CSTRE | CST Report | | | | Details |
| CSU | Comissioning & Start Up | | | | Details |
| CSU | Control Surface Usage | | | | Details |
| CSUC | Excess Corrected Capture Sulfur Relative | | | | Details |
| CSUG | Canadian Society for Unconventional Gas | | | | Details |
| CSUL | ECS Capture Sulfur Relative Yield | | | | Details |
| csv | Comma Separated Values (a kind of excel file used for txt files) | | | | Details |
| CSV | Comma Separated Value | | | | Details |
| CSWC | Critical Water Saturation from Core | | | | Details |
| CSWH | Conductor Sharing Well Head | | | | Details |
| CSWS | Concept Select Work Shop | | | | Details |
| CT | Coiled Tubing | | | | Details |
| CT | Computerized Tomography | | | | Details |
| CT | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CT | see Coiled Tubing | | | | Details |
| CT | Connecticut | | | | Details |
| CT | cable tools or completion tools | | | | Details |
| CT | Chipped Teeth/Cutters | | | | Details |
| CT | cable tools | | | | Details |
| CT | cooling tower | | | | Details |
| CT | Short Line SH 00225 | | | | Details |
| CT | Cased hole Test | | | | Details |
| CT | Capacity Test | | | | Details |
| Ct | Center | | | | Details |
| Ct | cut | | | | Details |
| CT | Commercial Terms | | | | Details |
| Ct-Ct | Center to Center (distance of wells in down hole) | | | | Details |
| CT-SCO | Coiled tubing scale cleanout | | | | Details |
| CT1 | CANADATECH 077 (ausgesch.) | | | | Details |
| CT10 | Short Line SH 00071 | | | | Details |
| CT11 | CANADATECH 082 (ausgesch.) | | | | Details |
| CT13 | Short Line SH 50537 (ausges.) | | | | Details |
| CT14 | Short Line SH 50546 | | | | Details |
| CT15 | Short Line SH 50552 | | | | Details |
| CT16 | Short Line SH 50565 | | | | Details |
| CT17 | CANADATECH 50557 (ausgesch.) | | | | Details |
| CT18 | Short Line SH 50666 | | | | Details |
| CT19 | Short Line SH 50668 | | | | Details |
| CT2 | CANADATECH 173 (ausgesch.) | | | | Details |
| CT20 | Short Line SH 50686 | | | | Details |
| CT21 | Short Line SH 05918 | | | | Details |
| CT3 | CANADATECH 5819 (ausgesch.) | | | | Details |
| CT4 | Short Line SH 05914 | | | | Details |
| CT5 | CANADATECH 50168 (ausgesch.) | | | | Details |
| CT6 | CANADATECH 50212 (ausgesch.) | | | | Details |
| CT7 | CANADATECH 50331 (ausgesch.) | | | | Details |
| CT8 | CANADATECH 50438 (ausgesch.) | | | | Details |
| CT9 | Short Line SH 50425 | | | | Details |
| CTA | CITA Transmitter Amplitude | | | | Details |
| CTBG | Capture Tool Background Yield | | | | Details |
| CTBP | Current Tubing Pressure | | | | Details |
| CTC | Contracting Tender Committee | | | | Details |
| CTC | consumer tank car | | | | Details |
| CtC | Center to Center | | | | Details |
| CTC | Central Tender Committee | | | | Details |
| Ctc | contact | | | | Details |
| CTCO | Coiled Tubing Clean Out | | | | Details |
| CTCO | Time At Coherence (Compressional Wave) | | | | Details |
| CTD | Coiled Tubing Drilling | | | | Details |
| ctd | coated | | | | Details |
| CTD | corrected total depth | | | | Details |
| CTDESP | coiled tubing deployed electric submersible pump | | | | Details |
| CTDS | Choke Temperature Down Stream | | | | Details |
| CTDT | Chart Number used for TDT-K to Determine | | | | Details |
| CTE | Center Technical Excellence | | | | Details |
| CTE | coefficient of thermal expansion | | | | Details |
| CTE1 | CSAT-1 Temperature | | | | Details |
| CTE2 | CSAT-2 Temperature | | | | Details |
| CTE3 | CSAT-3 Temperature | | | | Details |
| CTE4 | CSAT-4 Temperature | | | | Details |
| CTEN | Calibrated Pressure Tens Digit | | | | Details |
| CTES | Coiled Tubing Engineering Services | | | | Details |
| CTF | Coal Tar Fuel | | | | Details |
| CTFV | Critical Transfer Fluid Velocity | | | | Details |
| Ctg | cuttings | | | | Details |
| ctg(s) | cuttings | | | | Details |
| Ctgs | cuttings | | | | Details |
| CTH | Corrected total hook load | | | | Details |
| CTHF | center of tubing flange | | | | Details |
| CTHO | Calibrated Thousands Digit | | | | Details |
| CTI | ECS Capture Titanium Relative Yield | | | | Details |
| CTIT | Theoretical CTI Log | | | | Details |
| CTL | Coal-to-liquid conversion | | | | Details |
| CTL | coiled tubing logging | | | | Details |
| CTL | Cement Top Location | | | | Details |
| CTL | Scattered Gamma Ray | | | | Details |
| CTL | Cemotop | | | | Details |
| CTL | Time Lapse | | | | Details |
| CTLF | Coiled Tubing Lift Frame | | | | Details |
| CTLF | compensated tension lift frame | | | | Details |
| Ctlmn | Cattleman | | | | Details |
| CTM | Conditional Test Method | | | | Details |
| CTM | cable tool measurement | | | | Details |
| CTM | RSC Cartridge Temperature | | | | Details |
| CTM1 | NPLC Cartridge Internal Temperature | | | | Details |
| CTM2 | NPLC Cartridge External Temperature | | | | Details |
| CTM3 | ECSC Cartridge Internal Temperature | | | | Details |
| CTM4 | ECSC Cartridge External Temperature | | | | Details |
| CTN | Compensated Thermal Neutron | | | | Details |
| ctn | carton | | | | Details |
| CTN | Compensated Thermal Neutron | | | | Details |
| Ctnwd | Cottonwood | | | | Details |
| CTO | Chief Transformation Officer|| | Chief Transformation Officer | Chef Transformation Offizier | Chef de la Transformation | Details |
| CTO | confirming telephone order | | | | Details |
| CTO | Chief Technology Officer | | | | Details |
| CTO | Chief Transformation Officer | | | | Details |
| CTO | Chief Technology Officer | | | | Details |
| CTO | Chief Technology Officer | | | | Details |
| CTOD | crack tip opening displacement | | | | Details |
| CTP | cleaning to pits | | | | Details |
| CTP | Constant Terminal Pressure | | | | Details |
| CTP | Critical Temperature and Pressure | | | | Details |
| CTR | Cost Time Resource | | | | Details |
| CTR | Cost Time Resource Sheet | | | | Details |
| CTR | Cost, Time, Resource sheet | | | | Details |
| CTR | controlled tension release tool A release tool for downhole | | | | Details |
| ctr | center | | | | Details |
| CTR | Click Through Rate | | | | Details |
| CTR | Cost-Time-Resource Sheet | | | | Details |
| CTR | Cost, Time and Resources | | | | Details |
| CTRAC | Cement Tracer Log | | | | Details |
| CTS | cement to surface | | | | Details |
| CTS | Count_Rate | | | | Details |
| CTS | count rate | | | | Details |
| CTSCO | Coiled tubing scale cleanout | | | | Details |
| CTSH | Time At Coherence (Shear Wave) | | | | Details |
| CTST | Time At Coherence (Stoneley Wave) | | | | Details |
| CTT | consumer transport truck | | | | Details |
| CTT | Cup type tester | | | | Details |
| CTT1 | CSAT transit time, 1 | | | | Details |
| CTT2 | CSAT transit time, 2 | | | | Details |
| CTT3 | CSAT transit time, 3 | | | | Details |
| CTT4 | CSAT transit time, 4 | | | | Details |
| CTU | Coiled Tubing Unit | | | | Details |
| CTU | Cumulative Tool Usage | | | | Details |
| CTU | Condensate Treatment Unit | | | | Details |
| CTU | Coiled tubing umbilical | | | | Details |
| CTU | Coil Tubing | | | | Details |
| CTUS | Choke Temperature Up Stream | | | | Details |
| CTW | consumer tank wagon | | | | Details |
| CTWH | Calculated tension without hardware | | | | Details |
| CU | Cement Unit | | | | Details |
| CU | Clean up | | | | Details |
| CU | capture unit | | | | Details |
| CU | Control Unit | | | | Details |
| CU | CUBA | | | | Details |
| CU | Cubic | | | | Details |
| cu | in. cubic inch | | | | Details |
| CU | Capacity Utilization | Capacity Utilization | | | Details |
| cu cm | cubic centimeter | | | | Details |
| cu m | cubic meter | | | | Details |
| cu yd | cubic yard | | | | Details |
| Cu/CuSo4 | Copper/Copper Sulphate | | | | Details |
| CU75 | Conductivity of the Undisturbed Zone at 75 Formation_Conductivity | | | | Details |
| CUB | CUBA | | | | Details |
| CUB | cubical | | | | Details |
| Cub,cub | cube, cubic | | | | Details |
| CUDC | Conductivity of the Undisturbed Zone at Downhole Conditions | | | | Details |
| CUDC | Conductivity of the Undisturbed Zone at Downhole Conditions | | | | Details |
| CUF | Corrosion under Fireproofing | | | | Details |
| CUFT | CUbicFeeT | | | | Details |
| CUG | computer user group | | | | Details |
| CUI | Corrosion Under Insulation (see comment) | | | | Details |
| culv | culvert | | | | Details |
| cum | cumulative | | | | Details |
| CUM | cumulative | | | | Details |
| CUM_SAND_PROD | Cumulative production of unconsolidated | | | | Details |
| CUP | Clean Up Pit | | | | Details |
| CUP | Cuban Peso | | | | Details |
| CUP | Clean Up Period | | | | Details |
| CUP | Cuban peso | | | | Details |
| CUP | Common Users Pipeline | | | | Details |
| CUPET | Commercial Cupet S.A. Cuba | | | | Details |
| Cur | Curtis | | | | Details |
| CURP | Corrected Upper Reference Phase | | | | Details |
| CURV | Curvature | | | | Details |
| CUs | Clean Ups | | | | Details |
| cush | cushion | | | | Details |
| CUST | customer | | | | Details |
| CUT | Cutter Log | | | | Details |
| Cut | the fraction of a fluid in a mixture of fluids | | | | Details |
| CUT | Coordinated Universal Time | | | | Details |
| Cut B | cut bank | | | | Details |
| Cut Oil | cutting oil | | | | Details |
| Cut Oil | cutting oil inactive-sulfurize | | | | Details |
| Cut Oil Act | cutting oil active-sulfurized-dark | | | | Details |
| Cut Oil Act | cutting oil active-sulfurized-transparent | | | | Details |
| Cut Oil Sol | cutting oil soluble | | | | Details |
| Cut Oil St Mrl | cutting oil straight mineral | | | | Details |
| CUT1 | Cutoff Channel 1 | | | | Details |
| CUT2 | Cutoff Channel 2 | | | | Details |
| CUT3 | Cutoff Channel 3 | | | | Details |
| CUT4 | Cutoff Channel 4 | | | | Details |
| CUT5 | Cutoff Channel 5 | | | | Details |
| cutbk | cutback | | | | Details |
| Cutl | Cutler | | | | Details |
| CUTTD | Cuttings Description Report | | | | Details |
| cuvar | clean up on various choke sizes | | | | Details |
| CUVO | Cumulated Volume | | | | Details |
| CV | Choke Valve (adjustable or fix/positive chokes) | | | | Details |
| CV | Check valve | | | | Details |
| Cv | Coefficient of variation (STD/Mean) | | | | Details |
| CV | CAPE VERDE | | | | Details |
| Cv | Coefficient value | | | | Details |
| CV | control valve | | | | Details |
| CV | Cotton Valley | | | | Details |
| CV | Calculated Variable | | | | Details |
| CV | Curriculum Vitae | | | | Details |
| CVAFS | Cold vapour atomic fluorescence spectroscopy | | | | Details |
| CVBL | Cumulative Volume Balance | | | | Details |
| CVD | Constant Volume Depletion (an experimental method in PVT analysis) | | | | Details |
| CVD | Constant Volume Depletion | | | | Details |
| CVDC | Cost vs Depth Curve (drilling) | | | | Details |
| CVE | Cape Verde Escudo | | | | Details |
| CVEL | Cable Velocity | | | | Details |
| Cvg | cavings | | | | Details |
| Cvg | caving | | | | Details |
| cvg(s) | caving(s) | | | | Details |
| CVI | Close Visual Inspection | | | | Details |
| CVO0 | Corrected Velocity Oil Bubble | | | | Details |
| CVO0_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVO1 | Corrected Velocity Oil Bubble | | | | Details |
| CVO1_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVO2 | Corrected Velocity Oil Bubble | | | | Details |
| CVO2_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVO3 | Corrected Velocity Oil Bubble | | | | Details |
| CVO3_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVO4 | Corrected Velocity Oil Bubble | | | | Details |
| CVO4_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVO5 | Corrected Velocity Oil Bubble | | | | Details |
| CVO5_DL | Corrected Velocity Oil Bubble | | | | Details |
| CVP | The Group Capital Value Process, essentially the application of the stage gate decision process | | | | Details |
| CVP | Cost Volume Profit | | | | Details |
| CVP0 | Cumulated Volume: VBW (Bound Water Volume) Volume_Fraction | | | | Details |
| CVP1 | Cumulated Volume, CVP0 plus Mineral 1 | | | | Details |
| CVP1 | Cumulated Volume, CVP0 plus Mineral 1 | | | | Details |
| CVP1 | Cumulated Volume: CVP0 Plus Mineral 1 | | | | Details |
| CVP2 | Cumulated Volume, CVP1 plus Mineral 2 | | | | Details |
| CVP2 | Cumulated Volume, CVP1 plus Mineral 2 | | | | Details |
| CVP2 | Cumulated Volume: CVP1 Plus Mineral 2 | | | | Details |
| CVP3 | Cumulated Volume, CVP2 plus Mineral 3 | | | | Details |
| CVP3 | Cumulated Volume, CVP2 plus Mineral 3 | | | | Details |
| CVP3 | Cumulated Volume: CVP2 Plus Mineral 3 | | | | Details |
| CVPD | Cumulated Volume from Porosity to Dolomite Volume_Fraction | | | | Details |
| CVPL | Cumulated Volume from Porosity to | | | | Details |
| CVPS | Cumulated Volume Porosity Plus Volume Sand Volume_Fraction | | | | Details |
| CVR | cover | | | | Details |
| CVRL | Caliper Corrected Voltage Ratio-Long | | | | Details |
| CVRR | Cumulative Voidage Replacement Ratio | | | | Details |
| CVRS | Caliper Corrected Voltage Ratio-Short | | | | Details |
| CVT | Chevron Texaco | | | | Details |
| CVTR | convert(er)(ed) | | | | Details |
| CVW0 | Corrected Velocity Water Bubble | | | | Details |
| CVW0_DL | Corrected Velocity Water Bubble | | | | Details |
| CVW1 | Corrected Velocity Water Bubble | | | | Details |
| CVW1_DL | Corrected Velocity Water Bubble | | | | Details |
| CVW2 | Corrected Velocity Water Bubble | | | | Details |
| CVW2_DL | Corrected Velocity Water Bubble | | | | Details |
| CVW3 | Corrected Velocity Water Bubble | | | | Details |
| CVW3_DL | Corrected Velocity Water Bubble | | | | Details |
| CVW4 | Corrected Velocity Water Bubble | | | | Details |
| CVW4_DL | Corrected Velocity Water Bubble | | | | Details |
| CVW5 | Corrected Velocity Water Bubble | | | | Details |
| CVW5_DL | Corrected Velocity Water Bubble | | | | Details |
| CVX | Chevron | | | | Details |
| Cw | Compressibility of Water|| | Compressibility of Water | Kompressibilität von Wasser | Compressibilité de l'eau | Details |
| CW | Collar Weight | | | | Details |
| CW | Clockwise | | | | Details |
| CW | COOK ISLANDS | | | | Details |
| CW | continuous weld | | | | Details |
| CW | cooling water | | | | Details |
| CW | Casing Weight | | | | Details |
| Cw | Compressibility of Water | | | | Details |
| CW | Calendar Week | | | | Details |
| CW | coat and wrap(pipe) | | | | Details |
| CW11 | Calibrated shallow button azimuthal scan | | | | Details |
| CW11_R | Raw shallow button azimuthal scan | | | | Details |
| CW12 | Calibrated shallow button azimuthal scan | | | | Details |
| CW12_R | Raw shallow button azimuthal scan | | | | Details |
| CW21 | Calibrated medium button azimuthal scan | | | | Details |
| CW21_R | Raw medium button azimuthal scan | | | | Details |
| CW22 | Calibrated medium button azimuthal scan | | | | Details |
| CW22_R | Raw medium button azimuthal scan | | | | Details |
| CW2H | CEQL W2Ri High Barycenter | | | | Details |
| CW2L | CEQL W2Ri Low Barycenter | | | | Details |
| CW2X | CEQL W2L and W2H mixture | | | | Details |
| CW31 | Calibrated deep button azimuthal scan | | | | Details |
| CW31_R | Raw deep button azimuthal scan transmitter Profile_Conductance | | | | Details |
| CW32 | Calibrated deep button azimuthal scan | | | | Details |
| CW32_R | Raw deep button azimuthal scan transmitter Profile_Conductance | | | | Details |
| CW3H | CEQL W3Ri High Barycenter | | | | Details |
| CW3L | CEQL W3Ri Low Barycenter | | | | Details |
| CW3X | CEQL W3L and W3H mixture | | | | Details |
| CWA | clean water act, a US law | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWA | Cooperative Work Agreement | | | | Details |
| CWA | Apparent Formation Water Conductivity | | | | Details |
| CWAP | Apparent Formation Water Conductivity | | | | Details |
| CWAS | Apparent Formation Water Conductivity at | | | | Details |
| CWAT | Compressibility of Water | | | | Details |
| CWAU | Conductivity Water Apparent Uncorrected | | | | Details |
| CWAV | cost-weighted average volume | | | | Details |
| CWC | Water Color | | | | Details |
| CWC | Concrete Weight Coating | | | | Details |
| CWD | Casing While Drilling | | | | Details |
| CWDB | Central Well Database | | | | Details |
| CWDT | Critical Wax Deposition Temp | | | | Details |
| CWE | cold water equivalent | | | | Details |
| CWE | Collaborative Work Environment | | | | Details |
| CWE | Compressional Window End Time | | | | Details |
| CWE | Collaborative Working Environment | | | | Details |
| CWEI | Casing Weight | | | | Details |
| CWEI | Casing Weight | | | | Details |
| CWEI_DIAG | RST Casing Weight Diagnostic | | | | Details |
| CWEL | Curvature of the Well | | | | Details |
| CWEP | Conductivity of Water from EPT | | | | Details |
| CWES | Conductivity of Water from EPT at Standard Water_Conductivity | | | | Details |
| CWF | Conformance While-Fracturing | | | | Details |
| CWH | Capacitance Water Holdup | | | | Details |
| CWH1 | Scan histogram transmitter 1 | | | | Details |
| CWH2 | Scan histogram transmitter 2 | | | | Details |
| CWI | Completion & Well Intervention Engineer | | | | Details |
| CWI | Certified Welding Inspector | | | | Details |
| CWI | Cumulative Water Injection | | | | Details |
| CWIE | Completion & Well Intervention Engineer | | | | Details |
| CWIP | Compression and water injection platform | | | | Details |
| CWL | Cyberlook Wellsite Camp | | | | Details |
| CWL | Current Wellhead Slurry Density | | | | Details |
| CWLR | Current Wellhead Slurry Flowrate | | | | Details |
| CWLV | Current Wellhead Slurry Volume | | | | Details |
| CWM | Commingled Well Model | | | | Details |
| CWOB | Corrected Surface Weight-on-Bit | | | | Details |
| CWOP | Coring the Well On Paper | | | | Details |
| CWOP | Complete Well On Paper | | | | Details |
| CWOP | complete well on paper exercise | | | | Details |
| CWOP | Completing the Well on Paper (also, Completion Well Optimization Process) | | | | Details |
| CWOR | Completion Work Over Riser | | | | Details |
| CWOR | completion and workover riser | | | | Details |
| CWP | Cold Working Pressure (see comment) | | | | Details |
| CWP | cold working pressure | | | | Details |
| CWP | Compression and water injection platform | | | | Details |
| CWP | Cumulative Water Production | | | | Details |
| CWP | Critical Work Permit | | | | Details |
| CWP | Certified Work Permit | | | | Details |
| CWR | Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| CWR | cooling water return | | | | Details |
| CWRGM | Compensated Wave Resistivity Gamma MultiLink | | | | Details |
| CWS | cooling water supplying | | | | Details |
| CWS | Compressional Window Start Time | | | | Details |
| cwt | hundredweight | | | | Details |
| CWT | Corrected surface weight on bit | | | | Details |
| CWTF | central water treatment facility | | | | Details |
| CWWM | CEQL W2Ri's AVERAGE | | | | Details |
| CX | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| CX | CHRISTMAS ISLAND | | | | Details |
| CX | crossover | | | | Details |
| CX | Customer Experience | | | | Details |
| CX75 | Conductivity of the Flushed Zone at 75 | | | | Details |
| CXDC | Conductivity of the Flushed Zone at Downhole Conditions | | | | Details |
| CXDC | Conductivity of the Flushed Zone at Downhole Conditions | | | | Details |
| Cxln | coarsely crystalline | | | | Details |
| CXR | CHRISTMAS ISLAND | | | | Details |
| Cy | Cylinders | | | | Details |
| CY | CYPRUS | | | | Details |
| CY | Current Year | | | | Details |
| Cy Sd | Cypress Sand | | | | Details |
| CYBD | Cyberbond Log | | | | Details |
| CYBLK | Cyberlook Log | | | | Details |
| Cyc | cyclamina | | | | Details |
| CYC | cyclone | | | | Details |
| Cycl | cyclone | | | | Details |
| Cycl | canc. Cyclamina cancellata | | | | Details |
| CYDIP | Cyberdip Log | | | | Details |
| CYDIP | Cyberdip | | | | Details |
| CYDN | Cyberdon Log | | | | Details |
| cyl | cylinder | | | | Details |
| CYL | Cyberlock | | | | Details |
| CYL | cylindrical | | | | Details |
| CYLDT | Litho-Density Quicklook | | | | Details |
| CYM | CAYMAN ISLANDS | | | | Details |
| cyn | canyon | | | | Details |
| CYP | CYPRUS | | | | Details |
| Cyp | Cypridopsis | | | | Details |
| CYP | Cyprus pound | | | | Details |
| CYPL | Production Logging Quicklook | | | | Details |
| CYPRO | Cyberproducts Log | | | | Details |
| CYRFT | Repeat Formation Tester Quicklook | | | | Details |
| CYTDT | Cyberscan | | | | Details |
| CYWST | Seismic Quicklook | | | | Details |
| CZ | CZECH REPUBLIC | | | | Details |
| CZ | Canal zone | | | | Details |
| Cz | Carrizo | | | | Details |
| CZ | Caliper Zero | | | | Details |
| CZDL | Compensated Z-Densilog | | | | Details |
| CZE | CZECH REPUBLIC | | | | Details |
| CZK | Czech Koruna | | | | Details |
| CZM | Coastal Zone Management | | | | Details |
| CZMA | Coastal Zone Management Act | | | | Details |
| CZO0 | Corrected Oil Superficial Velocity | | | | Details |
| CZO0_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZO1 | Corrected Oil Superficial Velocity | | | | Details |
| CZO1_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZO2 | Corrected Oil Superficial Velocity | | | | Details |
| CZO2_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZO3 | Corrected Oil Superficial Velocity | | | | Details |
| CZO3_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZO4 | Corrected Oil Superficial Velocity | | | | Details |
| CZO4_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZO5 | Corrected Oil Superficial Velocity | | | | Details |
| CZO5_DL | Corrected Oil Superficial Velocity | | | | Details |
| CZVO | Caliper Zero Volts Output | | | | Details |
| CZW0 | Corrected Water Superficial Velocity | | | | Details |
| CZW0_DL | Corrected Water Superficial Velocity | | | | Details |
| CZW1 | Corrected Water Superficial Velocity | | | | Details |
| CZW1_DL | Corrected Water Superficial Velocity | | | | Details |
| CZW2 | Corrected Water Superficial Velocity | | | | Details |
| CZW2_DL | Corrected Water Superficial Velocity | | | | Details |
| CZW3 | Corrected Water Superficial Velocity | | | | Details |
| CZW3_DL | Corrected Water Superficial Velocity | | | | Details |
| CZW4 | Corrected Water Superficial Velocity | | | | Details |
| CZW4_DL | Corrected Water Superficial Velocity | | | | Details |
| CZW5 | Corrected Water Superficial Velocity | | | | Details |
| CZW5_DL | Corrected Water Superficial Velocity | | | | Details |
| $/scf | U.S. dollars per standard cubic feet | | | | Details |
| $/scf | U.S. dollars per standard cubic feet | U.S. dollars per standard cubic feet | Dollar pro Standard-Kubikfuß | dollars américains par pieds cubes standard | Details |
| %/CM | percent per centimeter | | | | Details |
| %/cm | percent per centimeter | | | | Details |
| (bbl/d)/(c/s) | (barrel per day) per (cycle per second) | | | | Details |
| (c/s)/(ft/min) | (cycle per second) per (foot per minute) | | | | Details |
| (c/s)/(m/min) | (cycle per second) per (meter per minute) | | | | Details |
| (c/s)/(m/s) | (cycle per second) per (meter per second) | | | | Details |
| (m3/d)/(c/s) | (cubic meter per day) per (cycle per second) | | | | Details |
| (m3/h)/(c/s) | (cubic meter per hour) per (cycle per second) | | | | Details |
| (m3/s)/(c/s) | (cubic meter per second) per (cycle per second) | | | | Details |
| (MCF/d)/(rev/s) | (thousand cubic feet per day) per (revolution per second) | | | | Details |
| (MSCF/d)/ft/psi | GeoFrame legacy unit | | | | Details |
| (MSCF/d)/psi | GeoFrame legacy unit | | | | Details |
| (S/m)/(meq/cm3) | (siemen per meter) per (millieqivalent per cubic centimeter) | | | | Details |
| 1/degC | inverse degree Celsius | | | | Details |
| 2CAL | 2-Arm Caliper Log | | | | Details |
| 2CAL | 2-Arm Caliper Log | 2-Arm Caliper Log | 2-Arm-Schieber-Log | 2-Arm Caliper Log | Details |
| 2CEX | 2-Arm Caliper Log (Extended Reach) | | | | Details |
| 2CEX | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | Details |
| 3C | three components seismic acquisition (x, y and z) | | | | Details |
| 3C | three components seismic acquisition (x, y and z) | three components seismic acquisition (x, y and z) | drei Komponenten Seismik (x, y und z) | trois composantes d'acquisition sismique (x, y, z) | Details |
| 3CAL | 3-Arm Caliper Log | | | | Details |
| 3CAL | 3-Arm Caliper Log | 3-arm Caliper Log | 3-Arm Caliper Log | 3-bras Caliper Connexion | Details |
| 4C | Four Channel | | | | Details |
| 4C | Four Channel | Four channel | Vier-Kanal | Quatre canaux | Details |
| 4CAL | 4-Arm Caliper Log | | | | Details |
| 4CAL | 4-Arm Caliper Log | 4-Arm Caliper Log | 4-Arm Caliper Log | 4-Arm Caliper Log | Details |
| 4CEX | 4-Arm Caliper Log (Extended Reach) | | | | Details |
| 4CEX | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | Details |
| A CHL | Atlantic Chlorinlog | | | | Details |
| A CHL | Atlantic Chlorinlog | Atlantic Chlorinlog | Atlantic Chlorinlog | Chlorinlog Atlantique | Details |
| A-BHC | Amplitude Logging | | | | Details |
| A-BHC | Amplitude Logging | amplitude Logging | Amplitude Logging | Logging amplitude | Details |
| A-Cem | acoustic cement | | | | Details |
| A/C | air conditioning | | | | Details |
| A/C | air conditioning | air conditioning | Klimaanlage | climatisation | Details |
| A/C | Anti Collision | | | | Details |
| a/c | Account | | | | Details |
| A/CLD | air cooled | | | | Details |
| A/CLD | air cooled | air cooled | luftgekühlt | air conditionné | Details |
| A/CLR | air cooler | | | | Details |
| A/CLR | air cooler | air cooler | Klimaanlage | refroidisseur d'air | Details |
| A/cm2 | ampere per square centimeter | | | | Details |
| A1C | Compact Flowmeter 1 Arch | | | | Details |
| A2C | Compact Flowmeter 2 Arch | | | | Details |
| A34H_UNC | Resistivity Medium Induction | | | | Details |
| AAC | Array Acoustic | | | | Details |
| AAC | Average Acceleration | | | | Details |
| AACC | Averaged Acceleration | | | | Details |
| AACE | Association of the Advancement of Cost Engineering | | | | Details |
| AACT | Aluminium Clay Tool | | | | Details |
| AACT | Aluminium Activation Clay Tool | | | | Details |
| AACT | Aluminium Clay Tool | Aluminum Clay Tool | Aluminium-Lehm-Werkzeug | Aluminium Clay Outil | Details |
| AACT | Aluminium Activation Clay Tool | Aluminum Activation Clay Tool | Aluminium Aktivierung Ton-Tool | Aluminium Activation Clay Outil | Details |
| AACT | Aluminium Activation Clay Tool | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors | | | | Details |
| AAODC | See IADC | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | American Association of Oilwell Drilling Contractors (veraltet; ersetzt durch IADC) | American Association of Oilwell Drilling Contractors (obsolète, remplacé par IADC) | Details |
| AAODC | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | Details |
| AAODC | See IADC | See IADC | Siehe IADC | Voir IADC | Details |
| ABC | Analysis Behind Casing (using CHDT) | | | | Details |
| ABC | Audit Bureau of Circulation | | | | Details |
| ABC | After Before Compare | | | | Details |
| ABC | Analysis Behind Casing (using CHDT) | Analysis Behind Casing (using CHDT) | Analyse Hinter Gehäuse (mit CHDT) | Analyse Derrière Boîtier (en utilisant CHDT) | Details |
| ABC | Audit Bureau of Circulation | Audit Bureau of Circulation | Audit Bureau of Circulation | Audit Bureau of Circulation | Details |
| ABCM | Activity Based Costing Model | | | | Details |
| ABCM | Activity Based Costing Model | Activity Based Costing Model | Activity Based Costing Modell | Activity Based Costing Model | Details |
| abd loc | abandoned location | | | | Details |
| abd loc | abandoned location | abandoned location | verlassenen Standort | emplacement abandonné | Details |
| ABHC | Attenuation Borehole Compensated | | | | Details |
| ABSC | APS Array Porosity Borehole Salinity | | | | Details |
| AC | Alternative Current | | | | Details |
| AC | BHC Acoustilog | | | | Details |
| AC | ANTIGUA AND BARBUDA | | | | Details |
| ac | acre, acres | | | | Details |
| ac | acid | | | | Details |
| ac | acre(s), acreage | | | | Details |
| AC | alternating current | | | | Details |
| AC | Austin chalk | | | | Details |
| AC | Acoustilog | | | | Details |
| AC | Anti Collision | | | | Details |
| AC | Actual Cost | | | | Details |
| AC | Acoustic | | | | Details |
| AC | Acoustic_Slowness | | | | Details |
| AC | Acoustilog | | | | Details |
| AC | Acquisition | | | | Details |
| AC PAR 16 | Acoustic Parameter-16mm Scope | | | | Details |
| AC PAR D | Acoustic Parameter-Depth | | | | Details |
| AC PAR L | Acoustic Parameter-Logging | | | | Details |
| AC SIGN | Acoustic Signature | | | | Details |
| ac-ft | acre-feet | | | | Details |
| AC/CAL | Acoustilog Caliper Gamma Ray Neutron | | | | Details |
| AC/CAL | BHC Acoustilog Caliper | | | | Details |
| AC/CAL | BHC Acoustilog Caliper (Thru Casing) | | | | Details |
| AC/CAL GR | Acoustilog Caliper Gamma Ray | | | | Details |
| AC/CAL NEU | Acoustilog Caliper Neutron | | | | Details |
| AC/CAL/ | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| AC/CAL/GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| AC/NUE | BHC Acoustilog Caliper Neutron | | | | Details |
| AC0 | Averaged Channel 0 | | | | Details |
| AC01 | Corrected Conductivity, Azimuth 1 | | | | Details |
| AC02 | Corrected Conductivity, Azimuth 2 | | | | Details |
| AC03 | Corrected Conductivity, Azimuth 3 | | | | Details |
| AC04 | Corrected Conductivity, Azimuth 4 | | | | Details |
| AC05 | Corrected Conductivity, Azimuth 5 | | | | Details |
| AC06 | Corrected Conductivity, Azimuth 6 | | | | Details |
| AC07 | Corrected Conductivity, Azimuth 7 | | | | Details |
| AC08 | Corrected Conductivity, Azimuth 8 | | | | Details |
| AC09 | Corrected Conductivity, Azimuth 9 | | | | Details |
| AC1 | Averaged Channel 1 | | | | Details |
| AC10 | Corrected Conductivity, Azimuth 10 | | | | Details |
| AC11 | Corrected Conductivity, Azimuth 11 | | | | Details |
| AC12 | Corrected Conductivity, Azimuth 12 | | | | Details |
| AC2 | ampere per square centimeter | | | | Details |
| AC2 | Averaged Channel 2 | | | | Details |
| AC3 | Averaged Channel 3 | | | | Details |
| AC4 | Averaged Channel 4 | | | | Details |
| ACA | after closure analysis; a fracture performance test method | | | | Details |
| ACAL | AcoustiCaliper | | | | Details |
| ACAL | Average Caliper | | | | Details |
| ACBS | AIT Borehole Correction Status | | | | Details |
| ACC | access | | | | Details |
| ACC | Output from Downhole Accelerometer | | | | Details |
| ACC | Accelerated | | | | Details |
| ACC0 | Acceleration 0 | | | | Details |
| ACC1 | Acceleration 1 | | | | Details |
| ACC2 | Acceleration 2 | | | | Details |
| ACCB | AIT Computed Effective Mud Conductivity | | | | Details |
| ACCC | Australian Competition and Consumer Commission | | | | Details |
| ACCE | Tool Acceleration | | | | Details |
| ACCEL | accelerometers | | | | Details |
| ACCEL | Acceleration | | | | Details |
| ACCESS | accessory, accessories | | | | Details |
| ACCF | AIT Computed Effective Formation | | | | Details |
| ACCL | Averaged Casing Collar Locator | | | | Details |
| ACCR | Accelerometer Corrections Preprocessing (CIBLSM PREP) | | | | Details |
| ACCS | LDS ADC Clear Control SLM Status | | | | Details |
| acct | account(ing) | | | | Details |
| ACCU | Mud Return Flow Level (acoustic sensor) | | | | Details |
| accum | accumulative, accumulator | | | | Details |
| acd | acidize(ed)(ing) | | | | Details |
| ACD | Acid Job | | | | Details |
| ACDS | Axilary compression tension sub | | | | Details |
| ACDSPN | Acoustic Dispersion | | | | Details |
| ACE | Acoustic Caliber Log | | | | Details |
| ACE | Average capital employed | | | | Details |
| ACED | AIT Computed Effective Electrical Borehole Borehole_Diameter | | | | Details |
| ACF | Additional Compression Facility | | | | Details |
| ACFM | actual cubic feet per minute | | | | Details |
| acfr | acid fracture treatment | | | | Details |
| ACGIH | American Conference of Industrial Hygienists | | | | Details |
| ACGR | Gamma Ray Contribution from Thorium and | | | | Details |
| ACHE | Air Cooled Heat Exchanger | | | | Details |
| ACHI | NPLC ADC High Calibration Reference | | | | Details |
| ACHS | HNGS ADC Subsystem Channels SLM Status | | | | Details |
| ACHZ | ECSC ADC High Calibration Reference | | | | Details |
| acic | acicular | | | | Details |
| ACL | Access Control List | | | | Details |
| ACL | Long-Spaced BHC Acoustilog | | | | Details |
| ACLO | NPLC ADC Low Calibration Reference | | | | Details |
| ACLR | air cooler | | | | Details |
| ACLZ | ECSC ADC Low Calibration Reference | | | | Details |
| ACM | acid-cut mud | | | | Details |
| ACM | Annual Corporate Meeting | | | | Details |
| ACMC | APS Array Porosity Casing-Cement | | | | Details |
| ACMP | Alaska Costal Management Program | | | | Details |
| ACN | Alternate Change Notification | | | | Details |
| ACNA | Aziende Colori Nazionali Affini Italy | | | | Details |
| ACOR | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACOR_SIG | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACOU | Acoustic | | | | Details |
| ACP | Annulus Casing Packers | | | | Details |
| ACP | Area Contingency Plan | | | | Details |
| ACP | Acoustic Parameter | | | | Details |
| ACP | Association des Consultants Petroliers France | | | | Details |
| ACP | Alkali-co-solvent-polymer | | | | Details |
| ACPA | Alexandria Co. for Petroleum Additives Egypt | | | | Details |
| ACPHA | Association Cooperative pour la Recherche et l’Exploration des Hydrocarbures en Algerie Algeria | | | | Details |
| ACPI | ADNOC Capital Project Index | | | | Details |
| ACPI | ADNOC Capital Project Index | | | | Details |
| ACQ | Annual Contract Quantity (in reference to gas sales) | | | | Details |
| ACQ | Annual Contract Quantity | | | | Details |
| ACQ | acquisition process | | | | Details |
| ACQN | Acquisition Number | | | | Details |
| ACQU | Acquisition log | | | | Details |
| ACQ_TIME | Acquisition Cycle Time | | | | Details |
| ACQ_TIME_SL | Acquisition Cycle Time - Station Log | | | | Details |
| ACR | Anti-collision Rule | | | | Details |
| ACRB | AIT Computed Effective Mud Resistivity | | | | Details |
| ACRE | acre | | | | Details |
| acre | acre | | | | Details |
| ACRE.FT | acre foot | | | | Details |
| acre.ft | acre foot | | | | Details |
| ACRF | AIT Computed Effective Formation | | | | Details |
| acrg | acreage | | | | Details |
| ACRONYMS | AND ABBREVIATIONSAC–4 PRUDENT DEVELOPMENT: Realizing the Potential of North America’s Abundant Natural Gas and Oil Resources | | | | Details |
| ACRS | AIT Computed Effective Mud Resistivity | | | | Details |
| ACS | Anti Collision System | | | | Details |
| ACS | American Chemical Society | | | | Details |
| acs | acre, acres | | | | Details |
| ACSL | Acoustic | | | | Details |
| ACSR | aluminum conductor steel reinforced | | | | Details |
| ACSS | LDS ADC Subsystem Channels SLM Status | | | | Details |
| ACT | Geochemical Logging Tool | | | | Details |
| ACT | Action | | | | Details |
| ACT | actual | | | | Details |
| ACT | actuated, actuator | | | | Details |
| ACT | automatic custody transfer | | | | Details |
| ACT | Aluminum Clay Log | | | | Details |
| ACT | Geochemical Log | | | | Details |
| ACT | Accident Control Technique | | | | Details |
| ACTC | Current rig activity | | | | Details |
| ACTE | Accelerometer Temperature | | | | Details |
| ACTI | Accelerometer Time Interval | | | | Details |
| ACTL | LDS Long-Spaced Acquisition Time | | | | Details |
| ACTS | Auxiliary Compression Tension Sub | | | | Details |
| ACTS | Auxiliary Compression Tension Sub | | | | Details |
| ACTS | LDS Short-Spaced Acquisition Time | | | | Details |
| ACV | Approved/Authorized Contract Value | | | | Details |
| ACV | Adjustable Choke Valve | | | | Details |
| ACV | Automatic Control Valve (actuator valves on the separator) | | | | Details |
| ACV | annular safety valve | | | | Details |
| ACV | Approved Contract Value | | | | Details |
| ACW | acid-cut water | | | | Details |
| ACWP | Actual cost of work performed | | | | Details |
| ACZZ | AGS ADC Subsystem Channels SLM Status | | | | Details |
| AC_COMP | Compressional_Slowness | | | | Details |
| AC_REL_STATE | AC AUX Isolation Relay State | | | | Details |
| AC_SHEAR | Shear_Slowness | | | | Details |
| ADC | Advanced Gauge Data Conditioning (Pansystem software) | | | | Details |
| ADC | Analog-to-Digital Converter | | | | Details |
| ADC | actual drilling cost | | | | Details |
| ADC | Analogic Digital Converter | | | | Details |
| ADCH | APS ADC Calibration High Reference | | | | Details |
| ADCL | APS ADC Calibration Low Reference | | | | Details |
| ADCO | Abu Dhabi Company for Onshore Oil Operations | | | | Details |
| ADCO | Abu Dhabi Co. for Onshore Oil Operations Abu Dhabi | | | | Details |
| ADCOM | ADress COMission | | | | Details |
| ADDC | Association of Desk and Derrick Clubs | | | | Details |
| ADDCAP | Abu Dhabi Drilling Chemicals and Products Ltd. Abu Dhabi | | | | Details |
| ADESCO | Abu Dhabi Emergency Committee of Offshore Operators | | | | Details |
| ADIPEC | Abu Dhabi International Petroleum Conference | | | | Details |
| ADMA-OPCO | Abu Dhabi Marine Operating Co. Abu Dhabi | | | | Details |
| ADMA-OPCO | Abu Dhabi Marine Operating Company | | | | Details |
| ADNATCO | Abu Dhabi National Tanker Co. Abu Dhabi | | | | Details |
| ADNOC | Abu Dhabi National Oil Company Abu Dhabi | | | | Details |
| ADNOC | Abu Dhabi National Oil Company | | | | Details |
| ADNOC | Abu Dhabi Oil Refining Company | | | | Details |
| ADNOC-FOD | Abu Dhabi National Oil Company for Distribution Abu Dhabi | | | | Details |
| ADNOCT | ADNOC Global Trading LTD | | | | Details |
| ADPC | Abu Dhabi Petroleum Company | | | | Details |
| ADPC | Abu Dhabi Petroleum Co. Ltd. Abu Dhabi | | | | Details |
| ADPPOC | Abu Dhabi Petroleum Ports Operating Co. Abu Dhabi | | | | Details |
| ADRIC | Abu Dhabi Research & Innovation Center | | | | Details |
| ADROC | Advanced Rock Properties Report | | | | Details |
| ADSC | Abu Dhabi Shipbuilding Company | | | | Details |
| ADSC | The International Association of Foundation Drilling | | | | Details |
| AEC | Anion Exchange Capacity (see comment) | | | | Details |
| AEC | Abu Dhabi Engineering Center | | | | Details |
| AEC | Atomic Energy Commission | | | | Details |
| AECRB | Alberta Energy Conservation Resources Board | | | | Details |
| AECV | additional emergency control valve|| | additional emergency control valve | zusätzliche Notfall-Regelventil | soupape de commande d'urgence supplémentaire | Details |
| AECV | additional emergency control valve | | | | Details |
| AF/CLR | after cooler | | | | Details |
| AF/COND | after condenser | | | | Details |
| AFC | Approved For Construction | | | | Details |
| AFC | Arab Finance Corporation | | | | Details |
| AFC | Authorization for Commitment | | | | Details |
| AFC | Authorized for Construction | | | | Details |
| AFCB | AIT Four Foot Conductivity Background | | | | Details |
| AFCB10 | AIT Four Foot Conductivity Bkg A10 | | | | Details |
| AFCB20 | AIT Four Foot Conductivity Bkg A20 | | | | Details |
| AFCB30 | AIT Four Foot Conductivity Bkg A30 | | | | Details |
| AFCB60 | AIT Four Foot Conductivity Bkg A60 | | | | Details |
| AFCB90 | AIT Four Foot Conductivity Bkg A90 | | | | Details |
| AFCC | Autonomous flow control completion | | | | Details |
| AFCD | Area of Future Casing | | | | Details |
| AFCD | Autonomous flow control device | | | | Details |
| AFCO | AIT Four Foot Conductivity | | | | Details |
| AFCO10 | AIT Four Foot Conductivity A10 | | | | Details |
| AFCO20 | AIT Four Foot Conductivity A20 | | | | Details |
| AFCO30 | AIT Four Foot Conductivity A30 | | | | Details |
| AFCO60 | AIT Four Foot Conductivity A60 | | | | Details |
| AFCO90 | AIT Four Foot Conductivity A90 | | | | Details |
| AFEC | APS Far Detector Count Rate | | | | Details |
| AFPC | Al-Furat Petroleum Company | | | | Details |
| AFPC | Al Forat Petroleum Company Syria and others | | | | Details |
| AFTC | APS Thermal Detector Count Rate | | | | Details |
| AFUDC | allowance for funds used during construction | | | | Details |
| Ag/AgCl | Silver/Silver Chloride | | | | Details |
| AGC | Automatic Gain Control | | | | Details |
| AGC | Advanced Gas Conversion | | | | Details |
| agcy | Agency | | | | Details |
| aGOC | Actual Gas Oil Contact | | | | Details |
| AGOC | Aramco Gulf Operations Co. Ltd. Saudi Arabia | | | | Details |
| Agoco | Arabian Gulf Oil Company | | | | Details |
| AGOCO | Arabian Gulf Oil Company Libya | | | | Details |
| AGTC | Agarwal-Gardner Type-Curves | | | | Details |
| AHCBS | AIT-H Borehole Correction Status | | | | Details |
| AHCCB | AIT-H Computed Effective Mud Conductivity | | | | Details |
| AHCCF | AIT-H Computed Effective Formation | | | | Details |
| AHCED | AIT-H Computed Effective Electrical | | | | Details |
| AHCRB | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHCRF | AIT-H Computed Effective Formation | | | | Details |
| AHCRS | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHFCB | AIT-H Four Foot Conductivity Background | | | | Details |
| AHFCB10 | AIT-H Four Foot Conductivity Bkg A10 | | | | Details |
| AHFCB20 | AIT-H Four Foot Conductivity Bkg A20 | | | | Details |
| AHFCB30 | AIT-H Four Foot Conductivity Bkg A30 | | | | Details |
| AHFCB60 | AIT-H Four Foot Conductivity Bkg A60 | | | | Details |
| AHFCB90 | AIT-H Four Foot Conductivity Bkg A90 | | | | Details |
| AHFCO | AIT-H Four Foot Conductivity | | | | Details |
| AHFCO10 | AIT-H Four Foot Conductivity A10 | | | | Details |
| AHFCO20 | AIT-H Four Foot Conductivity A20 | | | | Details |
| AHFCO30 | AIT-H Four Foot Conductivity A30 | | | | Details |
| AHFCO60 | AIT-H Four Foot Conductivity A60 | | | | Details |
| AHFCO90 | AIT-H Four Foot Conductivity A90 | | | | Details |
| AHIBC | AIT-H Induction Borehole Corrected | | | | Details |
| AHIEC | AIT-H Induction Elec Calibrated | | | | Details |
| AHIECAK | AIT-H Induction Elec Calibrated Akima | | | | Details |
| AHIFC | AIT-H Induction Fully Calibrated | | | | Details |
| AHMC | AIT-H Mud Calibrated | | | | Details |
| AHOCB | AIT-H One Foot Conductivity Background | | | | Details |
| AHOCB10 | AIT-H One Foot Conductivity Bkg A10 | | | | Details |
| AHOCB20 | AIT-H One Foot Conductivity Bkg A20 | | | | Details |
| AHOCB30 | AIT-H One Foot Conductivity Bkg A30 | | | | Details |
| AHOCB60 | AIT-H One Foot Conductivity Bkg A60 | | | | Details |
| AHOCB90 | AIT-H One Foot Conductivity Bkg A90 | | | | Details |
| AHOCO | AIT-H One Foot Conductivity | | | | Details |
| AHOCO10 | AIT-H One Foot Conductivity A10 | | | | Details |
| AHOCO20 | AIT-H One Foot Conductivity A20 | | | | Details |
| AHOCO30 | AIT-H One Foot Conductivity A30 | | | | Details |
| AHOCO60 | AIT-H One Foot Conductivity A60 | | | | Details |
| AHOCO90 | AIT-H One Foot Conductivity A90 | | | | Details |
| AHSC | APS Near/Array Porosity Hole Size | | | | Details |
| AHSCA | AIT-H SPA Calibrated | | | | Details |
| AHTCA | AIT-H Temperature Calibrated | | | | Details |
| AHTCB | AIT-H Two Foot Conductivity Background | | | | Details |
| AHTCB10 | AIT-H Two Foot Conductivity Bkg A10 | | | | Details |
| AHTCB20 | AIT-H Two Foot Conductivity Bkg A20 | | | | Details |
| AHTCB30 | AIT-H Two Foot Conductivity Bkg A30 | | | | Details |
| AHTCB60 | AIT-H Two Foot Conductivity Bkg A60 | | | | Details |
| AHTCB90 | AIT-H Two Foot Conductivity Bkg A90 | | | | Details |
| AHTCO | AIT-H Two Foot Conductivity | | | | Details |
| AHTCO10 | AIT-H Two Foot Conductivity A10 | | | | Details |
| AHTCO20 | AIT-H Two Foot Conductivity A20 | | | | Details |
| AHTCO30 | AIT-H Two Foot Conductivity A30 | | | | Details |
| AHTCO60 | AIT-H Two Foot Conductivity A60 | | | | Details |
| AHTCO90 | AIT-H Two Foot Conductivity A90 | | | | Details |
| AIBC | AIT Induction Borehole Corrected | | | | Details |
| AICD | Autonomous Inflow Control Device | | | | Details |
| AICD | Autonomous inflow control device | | | | Details |
| AICHE | American Institute of Chemical Engineers | | | | Details |
| AICV | Autonomous inflow control valve | | | | Details |
| AIEC | AIT Induction Elec Calibrated | | | | Details |
| AIECAK | AIT Induction Elec Calibrated Akima Gated | | | | Details |
| AIFC | AIT Induction Fully Calibrated | | | | Details |
| AIOC | Azerbaijan International Operating Company | | | | Details |
| AIPAC | American Israeli Public Affairs Committee | | | | Details |
| ALC | Vertical Seismic Profile Acoustic Log Calibration Report | | | | Details |
| ALC | Agricultural Land Commission (see comment) | | | | Details |
| alc | alcoholic | | | | Details |
| ALC | Acoustilog | | | | Details |
| ALC-GR | Acoustilog Caliper-Gamma Ray | | | | Details |
| ALC-GRN | Acoustilog Caliper-Gamma Ray-Neutron | | | | Details |
| ALC-N | Acoustilog Caliper-Neutron | | | | Details |
| ALCOA | Aluminum Company of America | | | | Details |
| ALEPCO | Ste. Algero-Arab-Libyenne d’Exploitation et de Production des Produits Petroliers Algeria | | | | Details |
| ALICO | American Life Insurance Company | | | | Details |
| ALOC | allocation | | | | Details |
| ALPC | Asset Lead Production Contract | | | | Details |
| ALPH_CP | Biot Alpha vs. Confining Pressure | | | | Details |
| AMC0 | AMS Channel # 0 | | | | Details |
| AMC1 | AMS Channel # 1 | | | | Details |
| AMC2 | AMS Channel # 2 | | | | Details |
| AMC3 | AMS Channel # 3 | | | | Details |
| AMC4 | AMS Channel # 4 | | | | Details |
| AMC5 | AMS Channel # 5 | | | | Details |
| AMC6 | AMS Channel # 6 | | | | Details |
| AMC7 | AMS Channel # 7 | | | | Details |
| AMC8 | AMS Channel # 8 | | | | Details |
| AMC9 | AMS Channel # 9 | | | | Details |
| AMCC | APS Array Porosity Mud Cake Correction | | | | Details |
| AMCO | Amplitude at Compressional Peak | | | | Details |
| AMCU | Amplitude computed uphole | | | | Details |
| AMNC | Angle of Minimum Caliper | | | | Details |
| AMPTC | Arab Maritime Petroleum Transport Co. OAPEC | | | | Details |
| AMWC | APS Array Porosity Mud Weight Correction | | | | Details |
| AMXC | Angle of Maximum Caliper | | | | Details |
| ANACO | Analysis of Core Logs Report | | | | Details |
| ANC | Anchor(age) | | | | Details |
| ANCAP | Administracion Nacional de Combustibles, Alcohol y Portland Uruguay | | | | Details |
| ANCO | Angular Coverage of the 4 Pads of HDT | | | | Details |
| ANEC | APS Near Detector Count Rate | | | | Details |
| anhyc | anhydritic | | | | Details |
| ANISC | Alexandria National Iron and Steel Company | | | | Details |
| ANMC | Anchor Motor Current | | | | Details |
| ANPC | Afghan National Petroleum Co. Afghanistan | | | | Details |
| ANUC | annunciator | | | | Details |
| AOAC | Association of Official Agricultural Chemists | | | | Details |
| AOC | Arabian Oil Company | | | | Details |
| AOC | Aramco Overseas Company | | | | Details |
| AOC | Arabian Oil Company Ltd. Japan | | | | Details |
| AOC | Aramco Overseas Company Netherlands, China, Korea | | | | Details |
| AOCB | AIT One Foot Conductivity Background | | | | Details |
| AOCB10 | AIT One Foot Conductivity Bkg A10 | | | | Details |
| AOCB20 | AIT One Foot Conductivity Bkg A20 | | | | Details |
| AOCB30 | AIT One Foot Conductivity Bkg A30 | | | | Details |
| AOCB60 | AIT One Foot Conductivity Bkg A60 | | | | Details |
| AOCB90 | AIT One Foot Conductivity Bkg A90 | | | | Details |
| AOCO | AIT One Foot Conductivity | | | | Details |
| AOCO10 | AIT One Foot Conductivity A10 | | | | Details |
| AOCO20 | AIT One Foot Conductivity A20 | | | | Details |
| AOCO30 | AIT One Foot Conductivity A30 | | | | Details |
| AOCO60 | AIT One Foot Conductivity A60 | | | | Details |
| AOCO90 | AIT One Foot Conductivity A90 | | | | Details |
| AOCS | American Oil Chemists Society | | | | Details |
| AOGC | Arvandan Oil & Gas Company | | | | Details |
| AOSC | Association of Oilwell Servicing Contractors | | | | Details |
| APAC | Asia Pacific | | | | Details |
| APC | Arab Potash Company Ltd. | | | | Details |
| APC | Anadarko Petroleum Corporation | | | | Details |
| APC | American Power Conversion | | | | Details |
| APC | Alexandria Petroleum Company Egypt | | | | Details |
| APC | Advanced Process Control | | | | Details |
| APCD | air pollution control device | | | | Details |
| APDC | APS Near/Array Corrected Dolomite Porosity Neutron_Porosity_Dolomite | | | | Details |
| APEC | Asia Pacific Economic Cooperation Forum | | | | Details |
| Apicorp | Arab Petroleum Investment Corporation | | | | Details |
| APLC | APS Near/Array Corrected Limestone | | | | Details |
| applic | application | | | | Details |
| APRC | Arab Petroleum Research Center France | | | | Details |
| APRC | Amerya Petroleum Refining Company Egypt | | | | Details |
| APSC | APS Near/Array Corrected Sandstone | | | | Details |
| APSCO | Arab Petroleum Services Co. OAPEC | | | | Details |
| AQCR | air quality control region | | | | Details |
| ARACL | Array Acoustic Log | | | | Details |
| Aramco | Arabian American Oil Company | | | | Details |
| ARAMCO | (see Saudi Aramco) (formerly Arabian American Oil Company) Saudi Arabia | | | | Details |
| ARC | Array Restistivity Compensated tool (LWD) | | | | Details |
| ARC | Array Compensated Resistivity | | | | Details |
| ARC | Archie Porosity Formation Factor Resistivity Relationship | | | | Details |
| ARC | Array Compensated Resistivity Tool | | | | Details |
| ARC475 | Array Compensated Resistivity Tool | | | | Details |
| ARC5 | Array Compensated Resistivity Tool | | | | Details |
| ARC675 | Array Compensated Resistivity Tool | | | | Details |
| ARC825 | Array Compensated Resistivity Tool | | | | Details |
| arch | architectural | | | | Details |
| Archeo | Archeozoic | | | | Details |
| Arco | Atlantic Richfield Company | | | | Details |
| ARCO | Atlantic Richfield Co. | | | | Details |
| AROC | Anhydritic Rocks | | | | Details |
| Array-Sonic | Sonic Digital Tool | | | | Details |
| ARRC | Array Acoustic Report | | | | Details |
| ASC | Affiliated Services Contract | | | | Details |
| ASC | Aramco Services Company | | | | Details |
| ASC | Accounting Standards Codification | | | | Details |
| ASC | Alberta Securities Commission | | | | Details |
| ASCA | AIT SPA Calibrated | | | | Details |
| ASCBS | AIT-S Borehole Correction Status | | | | Details |
| ASCCB | AIT-S Computed Effective Mud Conductivity | | | | Details |
| ASCCF | AIT-S Computed Effective Formation | | | | Details |
| ASCE | American Society of Civil Engineers | | | | Details |
| ASCED | AIT-S Computed Effective Electrical | | | | Details |
| ASchG | ArbeitnehmerInnenschutzgesetz | Employees safety regulations | | | Details |
| ASCII | American Standard Code for Information Interchange | | | | Details |
| ASCL | Acoustic Super Combo Log | | | | Details |
| ASCRB | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASCRF | AIT-S Computed Effective Formation | | | | Details |
| ASCRS | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASCS | LDS ADC Set Control SLM Status | | | | Details |
| ASCSSV | Annulus Surface Controlled Sub Surface Valve | | | | Details |
| ASECOND | second (angle) | | | | Details |
| ASFCB | AIT-S Four Foot Conductivity Background | | | | Details |
| ASFCB10 | AIT-S Four Foot Conductivity Bkg A10 | | | | Details |
| ASFCB20 | AIT-S Four Foot Conductivity Bkg A20 | | | | Details |
| ASFCB30 | AIT-S Four Foot Conductivity Bkg A30 | | | | Details |
| ASFCB60 | AIT-S Four Foot Conductivity Bkg A60 | | | | Details |
| ASFCB90 | AIT-S Four Foot Conductivity Bkg A90 | | | | Details |
| ASFCO | AIT-S Four Foot Conductivity | | | | Details |
| ASFCO10 | AIT-S Four Foot Conductivity A10 | | | | Details |
| ASFCO20 | AIT-S Four Foot Conductivity A20 | | | | Details |
| ASFCO30 | AIT-S Four Foot Conductivity A30 | | | | Details |
| ASFCO60 | AIT-S Four Foot Conductivity A60 | | | | Details |
| ASFCO90 | AIT-S Four Foot Conductivity A90 | | | | Details |
| ASIBC | AIT-S Induction Borehole Corrected | | | | Details |
| ASIC | Application Specific Integrated Circuit (SLB, a chip for signal processing of gauges) | | | | Details |
| ASIEC | AIT-S Induction Elec Calibrated | | | | Details |
| ASIECAK | AIT-S Induction Elec Calibrated Akima | | | | Details |
| ASIFC | AIT-S Induction Fully Calibrated | | | | Details |
| ASMC | AIT-S Mud Calibrated | | | | Details |
| ASOC | APS Near/Array Porosity Standoff | | | | Details |
| ASOCB | AIT-S One Foot Conductivity Background | | | | Details |
| ASOCB10 | AIT-S One Foot Conductivity Bkg A10 | | | | Details |
| ASOCB20 | AIT-S One Foot Conductivity Bkg A20 | | | | Details |
| ASOCB30 | AIT-S One Foot Conductivity Bkg A30 | | | | Details |
| ASOCB60 | AIT-S One Foot Conductivity Bkg A60 | | | | Details |
| ASOCB90 | AIT-S One Foot Conductivity Bkg A90 | | | | Details |
| ASOCO | AIT-S One Foot Conductivity | | | | Details |
| ASOCO10 | AIT-S One Foot Conductivity A10 | | | | Details |
| ASOCO20 | AIT-S One Foot Conductivity A20 | | | | Details |
| ASOCO30 | AIT-S One Foot Conductivity A30 | | | | Details |
| ASOCO60 | AIT-S One Foot Conductivity A60 | | | | Details |
| ASOCO90 | AIT-S One Foot Conductivity A90 | | | | Details |
| ASPC | ADNOC Sour Petroleum Company | | | | Details |
| ASSCA | AIT-S SPA Calibrated | | | | Details |
| assoc | associate(d)(s) | | | | Details |
| assoc | associated | | | | Details |
| ASTCA | AIT-S Temperature Calibrated | | | | Details |
| ASTCB | AIT-S Two Foot Conductivity Background | | | | Details |
| ASTCB10 | AIT-S Two Foot Conductivity Bkg A10 | | | | Details |
| ASTCB20 | AIT-S Two Foot Conductivity Bkg A20 | | | | Details |
| ASTCB30 | AIT-S Two Foot Conductivity Bkg A30 | | | | Details |
| ASTCB60 | AIT-S Two Foot Conductivity Bkg A60 | | | | Details |
| ASTCB90 | AIT-S Two Foot Conductivity Bkg A90 | | | | Details |
| ASTCO | AIT-S Two Foot Conductivity | | | | Details |
| ASTCO10 | AIT-S Two Foot Conductivity A10 | | | | Details |
| ASTCO20 | AIT-S Two Foot Conductivity A20 | | | | Details |
| ASTCO30 | AIT-S Two Foot Conductivity A30 | | | | Details |
| ASTCO60 | AIT-S Two Foot Conductivity A60 | | | | Details |
| ASTCO90 | AIT-S Two Foot Conductivity A90 | | | | Details |
| ATC | after top center | | | | Details |
| ATCA | AIT Temperature Calibrated | | | | Details |
| ATCB | AIT Two Foot Conductivity Background | | | | Details |
| ATCB10 | AIT Two Foot Conductivity Bkg A10 | | | | Details |
| ATCB20 | AIT Two Foot Conductivity Bkg A20 | | | | Details |
| ATCB30 | AIT Two Foot Conductivity Bkg A30 | | | | Details |
| ATCB60 | AIT Two Foot Conductivity Bkg A60 | | | | Details |
| ATCB90 | AIT Two Foot Conductivity Bkg A90 | | | | Details |
| ATCE | Annual Technical Conference and Exhibition | | | | Details |
| ATCN | Two Foot Conductivity | | | | Details |
| ATCO | AIT Two Foot Conductivity | | | | Details |
| ATCO10 | AIT Two Foot Conductivity A10 | | | | Details |
| ATCO20 | AIT Two Foot Conductivity A20 | | | | Details |
| ATCO30 | AIT Two Foot Conductivity A30 | | | | Details |
| ATCO60 | AIT Two Foot Conductivity A60 | | | | Details |
| ATCO90 | AIT Two Foot Conductivity A90 | | | | Details |
| ATDNSHINC | Any Time Day/Night Sundays and Holidays INCluded | | | | Details |
| ATFC | APS Thermal Detector Count Rate | | | | Details |
| ATLANTICO | Compania Espanola de Petroleos Atlantico S.A. Spain | | | | Details |
| ATNC | APS Array Detectors Count Rate Acquisition None | | | | Details |
| ATSC | APS Near/Array Porosity | | | | Details |
| Attic | Attic oil | | | | Details |
| ATUTC | Actually Time Used To Count | | | | Details |
| AUDCO | Audit Committee Meeting | | | | Details |
| AVC | automatic volume control | | | | Details |
| AVCA | Average Caliper Diameter | | | | Details |
| AVCC1 | FBSC -12V,+12V Combination | | | | Details |
| AVCC2 | FBSC -12V,+12V Combination | | | | Details |
| AW1C | Corrected Power of First Echo | | | | Details |
| AW2C | Corrected Power of Second Echo | | | | Details |
| AWC | Advanced well completion | | | | Details |
| aWOC | Actual Water Oil Contact | | | | Details |
| AXORC | Assuit Oil Refining Company Egypt | | | | Details |
| AZC | Acceleration Z Axis Corrected For | | | | Details |
| AZC1 | Temp-corrected Acceleration Z Axis (G X | | | | Details |
| AZC2 | Temp-corrected Acceleration Z Axis (Tool | | | | Details |
| AZEC | Azimuth of Eccentering | | | | Details |
| AZEC_RF | Azimuth of Eccentering | | | | Details |
| AZIC | Azimuth of Pad 1 with Differential Caliper Sensor_Azimuth | | | | Details |
| B&CB | beaded and center beaded | | | | Details |
| B/C3 | barn per cubic centimeter | | | | Details |
| b/cm3 | barn per cubic centimeter | | | | Details |
| B0_MC | B0 for Master Calibration | | | | Details |
| B0_MC_SL | B0 for Master Calibration - Station Log | | | | Details |
| B1CR | AGS Detector 1 Coincidence Total Countrate Count_Rate | | | | Details |
| B1MC | MUX Calibration Values | | | | Details |
| B2C | Business to Consumer | | | | Details |
| B2CP | bar squared per centipoise | | | | Details |
| B2CR | AGS Detector 2 Coincidence Total Countrate Count_Rate | | | | Details |
| B2MC | MUX Calibration Values | | | | Details |
| B3MC | MUX Calibration Values | | | | Details |
| BAC | Blood Alcohol Concentration | | | | Details |
| BAC | Budget At Completion | | | | Details |
| BAC1 | PS_1 Acquisition Command Echo | | | | Details |
| BAC1_DL | MRPS 1 Acquisition Command Echo | | | | Details |
| BAC2 | PS_2 Acquisition Command Echo | | | | Details |
| BAC2_DL | MRPS 2 Acquisition Command Echo | | | | Details |
| BAC3 | PS_3 Acquisition Command Echo | | | | Details |
| BAC3_DL | MRPS 3 Acquisition Command Echo | | | | Details |
| BACB | British Arab Commercial Bank | | | | Details |
| BACK | Background Near Gates | | | | Details |
| BACK_SL | Background - Near Gates | | | | Details |
| BACT | Best Available Control Technology | | | | Details |
| Banoco | Bahrain National Oil Company | | | | Details |
| BANOCO | Bahrain National Oil Company Bahrain | | | | Details |
| Bapco | Bahrain Petroleum Company | | | | Details |
| BAPCO | Bahrain Petroleum Company BSC Bahrain | | | | Details |
| Bapetco | Badr al-Din Petroleum Company | | | | Details |
| BAPETCO | Badr El Deen Petroleum Co. Egypt | | | | Details |
| bar2/cp | GeoFrame legacy unit | | | | Details |
| bar2/cP | bar squared per centipoise | | | | Details |
| barn/cm3 | GeoFrame legacy unit | | | | Details |
| BASIC | Beginners All Purpose Symbolic Instruction Code | | | | Details |
| Batelco | Bahrain Telecommunications Co. | | | | Details |
| BATNEEC | Best Available Technique Not Entailing Excessive Costs | | | | Details |
| bbl.s/(d.c) | (barrel per day) per (cycle per second) | | | | Details |
| bbl/(acre.ft) | barrel per acre per foot | | | | Details |
| bbl/acre | barrel per acre | | | | Details |
| bbl/acre.ft | GeoFrame legacy unit | | | | Details |
| bbl/cd | barrels per calendar day | | | | Details |
| bbl/SCF | barrel per standard cubic foot | | | | Details |
| BBSFAC | Gain in the Brown-Bray-Santarelli Model | | | | Details |
| BC | Barrel Condensate | | | | Details |
| BC | Broken Cone | | | | Details |
| BC | BOTSWANA | | | | Details |
| BC | barrels of condensate | | | | Details |
| BC | Barrels Condensate | | | | Details |
| BC | Business Case | | | | Details |
| BC | Base Case | | | | Details |
| BC | Business Continuity | | | | Details |
| BC | Business Case | | | | Details |
| BC11 | Pad C, Row 1, Button 1 | | | | Details |
| BC12 | Pad C, Row 1, Button 2 | | | | Details |
| BC13 | Pad C, Row 1, Button 3 | | | | Details |
| BC14 | Pad C, Row 1, Button 4 | | | | Details |
| BC15 | Pad C, Row 1, Button 5 | | | | Details |
| BC16 | Pad C, Row 1, Button 6 | | | | Details |
| BC17 | Pad C, Row 1, Button 7 | | | | Details |
| BC18 | Pad C, Row 1, Button 8 | | | | Details |
| BC21 | Pad C, Row 2, Button 1 | | | | Details |
| BC22 | Pad C, Row 2, Button 2 | | | | Details |
| BC23 | Pad C, Row 2, Button 3 | | | | Details |
| BC24 | Pad C, Row 2, Button 4 | | | | Details |
| BC25 | Pad C, Row 2, Button 5 | | | | Details |
| BC26 | Pad C, Row 2, Button 6 | | | | Details |
| BC27 | Pad C, Row 2, Button 7 | | | | Details |
| BC28 | Pad C, Row 2, Button 8 | | | | Details |
| BCA | Borehole Calcium Yield (Capture) | | | | Details |
| BCA | Ball Check Cement Retainer, High Pressure | | | | Details |
| BCB | beaded and center beaded | | | | Details |
| Bcc | Blind carbon copy | | | | Details |
| BCCI | Bank of Credit and Commerce International | | | | Details |
| BCDT | Borehole Compensated Delta-T | | | | Details |
| Bcf | billion cubic feet (of natural gas) | | | | Details |
| BCF | Billion Cubic Feet | | | | Details |
| Bcf | billions of cubic feet | | | | Details |
| Bcf/d | billion cubic feet per day | | | | Details |
| Bcfd | billion cubic feet per day | | | | Details |
| Bcfe | billion cubic feet (of natural gas equivalent) | | | | Details |
| BCHIFR | Borealis Chimie S.A.S. | | | | Details |
| BCHL | Borehole Chlorine Yield (Capture) | | | | Details |
| BCID | Casing Inner Diameter - Brine | | | | Details |
| bcm | Billion Cubic Meters | | | | Details |
| BCM | Banque du Maroc | | | | Details |
| bcm | becoming | | | | Details |
| bcm | become (-ing) | | | | Details |
| BCOMUS | Borealis Compounds Inc. | | | | Details |
| BCP | Banque Centrale Populaire | | | | Details |
| BCP | Blowout Contingency Plan | | | | Details |
| BCPD | Barrels Condensate Per Day | | | | Details |
| BCPD | barrels of condensate per day | | | | Details |
| BCPH | barrels of condensate per hour | | | | Details |
| BCPH | barrels condensate per hour | | | | Details |
| BCPMM | barrels of condensate per million | | | | Details |
| BCPMM | barrels condensate per million | | | | Details |
| BCQ1 | Button Quality factor Transmitter 1 | | | | Details |
| BCQ2 | Button quality factor Transmitter 2 | | | | Details |
| BCQR | HRDD Crystal Quality resolution from Back | | | | Details |
| BCS | Ballast Control Supervisor | | | | Details |
| BCS | Borehole Compensated Sonic | | | | Details |
| BCSM | Bioturbated, Clay-Rich, Skeletal Mudstone Wackestone | | | | Details |
| BCT | Best Conventional Pollutant Control Technology | | | | Details |
| BDC | Backup Domain Controller | | | | Details |
| BDCM | Bulk Densitiy compensated (Memory) | | | | Details |
| BDCM | Bulk Densitiy compensated (Memory) | | | | Details |
| BDM1_CAL_D | Calibrated deep button average Transmitter Profile_Conductance | | | | Details |
| BDM2_CAL_D | Calibrated deep button average Transmitter Profile_Conductance | | | | Details |
| BDQC | Bulk Density Quality Curve | | | | Details |
| BEC | Bid Evaluation Criteria | | | | Details |
| bec | becoming | | | | Details |
| BEC | Board Executive Committee | | | | Details |
| Beck | Beckwith | | | | Details |
| BECOAT | Ecoplast Kunststoffrecycling GmbH | | | | Details |
| Bel-C | Belle City | | | | Details |
| BGC | British Gas Council UK | | | | Details |
| BHC | Borehole compensated sonic log | | | | Details |
| BHC | BHC Gamma Ray Log | | | | Details |
| BHC | Sonic Log | | | | Details |
| BHC | bottom hole choke | | | | Details |
| BHC | Borehole Compensated | | | | Details |
| BHC | bottom-hole choke | | | | Details |
| BHC | Bore Hole Compensated | | | | Details |
| BHC | BHC sonic Logging | | | | Details |
| BHC | Bottom Hole Contribution | | | | Details |
| BHC AL TC | BHC Acoustilog Caliper (Thru Casing) | | | | Details |
| BHC ALC | BHC Acoustilog Caliper | | | | Details |
| BHC ALC GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| BHC ALC GRN | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| BHC ALC N | BHC Acoustilog Caliper Neutron | | | | Details |
| BHC ALGRNTC | BHC Acoustilog Caliper G/R Neutron (Thru Casing) | | | | Details |
| BHC-GR | BHC Sonic-Gamma Ray Logging | | | | Details |
| BHC-VD | BHC Sonic-Variable Density | | | | Details |
| BHC-VD | Variable Density Logging | | | | Details |
| BHC-WFD | Wave Form Digitizing | | | | Details |
| BHC-WFL | Wave Form Logging | | | | Details |
| BHCA | BHC Acoustic Log | | | | Details |
| BHCIP | Bottom Hole Closed In Pressure | | | | Details |
| BHCP | bottom hole circulating pressure | | | | Details |
| BHCS | BHC Sonic Log | | | | Details |
| BHCS | bottom hole compensated sonic | | | | Details |
| BHCS | Borehole Compensated Sonic | | | | Details |
| BHCT | Bottomhole Circulating Temperature | | | | Details |
| BHCT | bottom hole circulating temperature | | | | Details |
| BHPC | bottom-hole pressure closet | | | | Details |
| BiC | Best in Class | | | | Details |
| BIMCO | The Baltic and International Maritime Conference | | | | Details |
| BIPC | Bandar Imam Petrochemical Complex | | | | Details |
| BKC | Basal Khuff Clastics | | | | Details |
| Bl/Cb | blast cabinet | | | | Details |
| BLC | Big Lever Club (Contracting) | | | | Details |
| BLC | barrels load condensate | | | | Details |
| BLC | Big Lever Club | | | | Details |
| BLCPD | barrels load condensate per day | | | | Details |
| BLCPH | barrels load condensate per hour | | | | Details |
| Bleiabdruck | Impression Block|| | impression block | Eindruck Block | bloc d'impression | Details |
| Bleiabdruck | Impression Block | Impression Block | | | Details |
| blocl | bioclastic | | | | Details |
| BMCE | Banque Marocaine du Commerce Extérieure | | | | Details |
| BMCI | Banque Marocaine pour le Commerce et l’Industrie | | | | Details |
| BMK_CP | Bulk Modulus vs. Confining Pressure | | | | Details |
| BMM1_CAL_D | Calibrated medium button average | | | | Details |
| BMM2_CAL_D | Calibrated medium button average | | | | Details |
| BMTCDE | mtm compact GmbH | | | | Details |
| BNC1 | PS_1 Nclo | | | | Details |
| BNC1_DL | MRPS 1 Difference Frequency in Clock | | | | Details |
| BNC2 | MRPS 2 Nclo | | | | Details |
| BNC2_DL | MRPS 2 Difference Frequency in Clock | | | | Details |
| BNC3 | MRPS 3 Nclo | | | | Details |
| BNC3_DL | MRPS 3 Difference Frequency in Clock | | | | Details |
| BNOCL | Barbados National Oil Company Ltd. Barbados | | | | Details |
| BOC | Breach of Contract | | | | Details |
| BOC | base operations camp | | | | Details |
| BOCD | barrels oil per calendar day | | | | Details |
| BOCL | a kind of a weight set packer | | | | Details |
| BOCS | Basal Oil Creek Sand | | | | Details |
| BOPEC | Bonaire Petroleum Corporation Neth. Antilles | | | | Details |
| BORCO | Bahamas Oil Refining Co. Venezuela | | | | Details |
| BORSCAN_BATCH | Array of strings containing BorScan | | | | Details |
| BP&C | Business Projects & Consulting | | | | Details |
| BP/CLR | bypass cooler | | | | Details |
| BPC | British Printing Company | | | | Details |
| BPC | Baker Petrolite Corporation | | | | Details |
| BPC | Balanced Point Control (a company in Europe providing snubbing units) | | | | Details |
| BPC | Bharat Petroleum Corp. India | | | | Details |
| BPC1 | MRPS 1 Quartz Pressure Compensation | | | | Details |
| BPC1_DL | MRPS 1 Quartz Pressure Compensation | | | | Details |
| BPC2 | MRPS 2 Quartz Pressure Compensation | | | | Details |
| BPC2_DL | MRPS 2 Quartz Pressure Compensation | | | | Details |
| BPC3 | MRPS 3 Quartz Pressure Compensation | | | | Details |
| BPC3_DL | MRPS 3 Quartz Pressure Compensation | | | | Details |
| BPCL | Bharat Petroleum Corporation Limited | | | | Details |
| BPCS | Basic Process Control System | | | | Details |
| BPCV | Below Packer Circulating Valve (new from SLB) | | | | Details |
| BPECFR | Borealis Produits et Engrais Chimiques du Rhin S.A.S. | | | | Details |
| BPIC | Total incoherence from bit pore pressure | | | | Details |
| brach | brachiopod | | | | Details |
| brack | brackish | | | | Details |
| BRC | brace(ing)(ed) | | | | Details |
| BRC | Brazilian cruzado | | | | Details |
| brec | breccia | | | | Details |
| Brec, brec | breccia (-ted) | | | | Details |
| BSc | Bachelor of Science | | | | Details |
| BSC | Balance Score Card | | | | Details |
| BSC | Balance Scorecard | | | | Details |
| BSC1 | PS_1 Solenoid Command Echo | | | | Details |
| BSC1_DL | MRPS 1 Solenoid Command Echo | | | | Details |
| BSC2 | PS_2 Solenoid Command Echo | | | | Details |
| BSC2_DL | MRPS 2 Solenoid Command Echo | | | | Details |
| BSC3 | PS_3 Solenoid Command Echo | | | | Details |
| BSC3_DL | MRPS 3 Solenoid Command Echo | | | | Details |
| BSCF | Billion Standard Cubic Feet | | | | Details |
| Bscf/d | billion standard cubic feet per day | | | | Details |
| BSCFD | Billion Standard Cubic Feet per Day | | | | Details |
| BSDC | (barrel per day) per (cycle per second) | | | | Details |
| BSFC | brake specific fuel consumption | | | | Details |
| BSM1_CAL_D | Calibrated shallow button average | | | | Details |
| BSM2_CAL_D | Calibrated shallow button average | | | | Details |
| BSWC | BS 5 count rate windows cal. | | | | Details |
| BSW_CHOKE | Basic sediment and water (decimal ratio) | | | | Details |
| BtBcp | beyond the best common process | | | | Details |
| BTC | Best Technical Case | | | | Details |
| BTC | buttress thread coupling | | | | Details |
| BTDC | before top dead center | | | | Details |
| BTO/C | break to open/close (valve torque) | | | | Details |
| Btu/scf | British thermal units per standard cubic feet | | | | Details |
| BUC | Bucharest | | | | Details |
| Buck | Buckner | | | | Details |
| Buckr | buckrange | | | | Details |
| BVC | Bulk Volume Capillary (T2 from 3 to 30 milliseconds) | | | | Details |
| BVWC | Bulk Volume Water for Cased Hole | | | | Details |
| BWOC | by weight of cement | | | | Details |
| D & C | drill and complete | | | | Details |
| D&C | Drilling and Completions | | | | Details |
| D&C | Drilling and Completion | | | | Details |
| D&C | Digital & Cybersecurity | | | | Details |
| D&CS | Digital & Cybersecurity | | | | Details |
| D/C | Drill Cement | | | | Details |
| D/CM | dyne per centimeter | | | | Details |
| d/MSCF | day per thousand standard cubic feet | | | | Details |
| D1CC | HNGS Detector 1 Channel Control Word | | | | Details |
| D1CS | HNGS Detector 1 Board Counter SLM Status | | | | Details |
| D1MC | MUX Calibration Values | | | | Details |
| D2CC | HNGS Detector 2 Channel Control Word | | | | Details |
| D2CS | HNGS Detector 2 Board Counter SLM Status | | | | Details |
| D2MC | MUX Calibration Values | | | | Details |
| D3MC | MUX Calibration Values | | | | Details |
| DAC | Dipole Acoustic Log | | | | Details |
| DAC | Digital to Analog Converter | | | | Details |
| DAC | Digital Array Acoustilog | | | | Details |
| DAC | Digital-To-Analog Converter | | | | Details |
| DAC | Digital Array Acousticlog sm | | | | Details |
| DAC | Acoustilog | | | | Details |
| DAC | Digital Analogic Converter | | | | Details |
| DAC1 | DP_1 Acquisition Command Echo | | | | Details |
| DAC1_DL | MRDP 1 Acquisition Command Echo | | | | Details |
| DAC2 | DP_2 Acquisition Command Echo | | | | Details |
| DAC2_DL | MRDP 2 Acquisition Command Echo | | | | Details |
| DAC3 | DP_3 Acquisition Command Echo | | | | Details |
| DAC3_DL | MRDP 3 Acquisition Command Echo | | | | Details |
| DACA | Data Aquisition & Control Architecture (Smart) | | | | Details |
| DACC | Drilling and Completions Committee | | | | Details |
| DACI | Driver, Approver, Contributor, Informed | | | | Details |
| DACS | NPLC Density Acquisition Control Status | | | | Details |
| DAFWC | Days Away From Work Case | | | | Details |
| DAPC | Dynamic Annular Pressure Control | | | | Details |
| DARC | Permeability Estimation | | | | Details |
| DARCI | Darci Log | | | | Details |
| darcy | darcy (GeoFrame legacy unit) | | | | Details |
| DARCY | darcy | | | | Details |
| darcy.m | GeoFrame legacy unit | | | | Details |
| DB1A_COR | Dip button #1A corrected | | | | Details |
| DB1_COR | Dip button #1 corrected | | | | Details |
| DB2A_COR | Dip button #2A corrected | | | | Details |
| DB2_COR | Dip button #2 corrected | | | | Details |
| DB3A_COR | Dip button #3A corrected | | | | Details |
| DB3_COR | Dip button #3 corrected | | | | Details |
| DB4A_COR | Dip button #4A corrected | | | | Details |
| DB4_COR | Dip button #4 corrected | | | | Details |
| DBC | Drilling Bar Chart | | | | Details |
| DBCA | Deep Bucking Current Attenuation | | | | Details |
| DBCT | Deep Current at the Bit | | | | Details |
| DC | Drill Collar (Schwerstange) | | | | Details |
| DC | Discharge Capacity | | | | Details |
| DC | drill centre | | | | Details |
| DC | direct current | | | | Details |
| DC | Drill Collar | | | | Details |
| DC | depth correction | | | | Details |
| DC | District of Columbia | | | | Details |
| DC | delayed coker | | | | Details |
| DC | development well, carbon dioxide | | | | Details |
| DC | diamond core | | | | Details |
| DC | digging cellar or digging cellar and slush pits | | | | Details |
| DC | dually completed | | | | Details |
| DC | Decision Criteria | | | | Details |
| DC | Decline Curve | | | | Details |
| dc | Dual Completion | | | | Details |
| DC | Drill collars | | | | Details |
| DC | Disconnect Coupler | | | | Details |
| DC | Drill collars | | | | Details |
| DC | drill and complete | | | | Details |
| DC | Drilling and Completions | | | | Details |
| DC | Drilling and Completion | | | | Details |
| DC | Digital & Cybersecurity | | | | Details |
| DC.K | Dual Completion Kreuz | | | | Details |
| DC/F | degree celsius per foot | | | | Details |
| DC/K | degree celsius per kilometer | | | | Details |
| DC/M | degree celsius per meter | | | | Details |
| DC1 | Caliper 1-3 (C1) Minus Bit Size (BS) | | | | Details |
| DC2 | Caliper 2-4 (C2) Minus Bit Size (BS) | | | | Details |
| DCA | Development Contract Area | | | | Details |
| DCA | Decline Curve Analysis | | | | Details |
| dca | Decline Curve Analysis Forecast | | | | Details |
| DCA2 | Differential caliper (Secondary) | | | | Details |
| DCAF | Discipline Controls & Assurance Framework | | | | Details |
| DCAL | Differential Caliper Log | | | | Details |
| DCAL | dual caliper log | | | | Details |
| DCAL | Diff.Caliper | | | | Details |
| DCAL | Differential Caliper | | | | Details |
| DCALI | Dual Caliper Log | | | | Details |
| DCAT | Theoretical DWCA Log | | | | Details |
| DCAY | decay | | | | Details |
| DCB | diamond core bit | | | | Details |
| DCBC | MCFL Depth Matched Conductivity Buttons | | | | Details |
| DCBL | Synthetic CBL from Discriminated | | | | Details |
| DCBV | Differential Caliper, Bottom Sensor | | | | Details |
| DCC | Data Control Centre | | | | Details |
| DCC | Decision Cycle Compression | | | | Details |
| DCC | Decision Cycle Compression e-JMC-Electronic JMC | | | | Details |
| DCC | Drilling Center Cockpit | | | | Details |
| DCCL | Casing Collar Locator Depth | | | | Details |
| DCCO | Compressional differential coupling | | | | Details |
| DCE | Direct Contract Employment | | | | Details |
| DCF | Discounted Cash Flow (economics) | | | | Details |
| DCF | LUMP Depth Contact Flag | | | | Details |
| DCHM | degree celsius per hundred meters | | | | Details |
| DCI | Downhole Chemical Injection | | | | Details |
| DCI | Decision maker, Consulted, Informed | | | | Details |
| DCI | Drilling Complexity Index | | | | Details |
| DCID | Delta Conductivity for Deep Induction | | | | Details |
| DCIM | Delta Conductivity for Medium Induction | | | | Details |
| DCL | Dielectric Constant Log | | | | Details |
| DCLA | Differential Caliper, Real-Time | | | | Details |
| DCLAY | dry clay | | | | Details |
| DCLSP | digging slush pits | | | | Details |
| DCLV | DC Low Voltage | | | | Details |
| DCM | Dielectric Constant Measurement | | | | Details |
| DCM | distillate cut mud | | | | Details |
| DCM | distillate-cut mud | | | | Details |
| DCN | Design Change Notice | | | | Details |
| DCNR | Contact Resistance D | | | | Details |
| DCNT | Diagnostic Word for Compensated Neutron | | | | Details |
| DCOR | Depth Correction | | | | Details |
| DCP | Downstream Choke Pressure | | | | Details |
| DCP | Driller’s Control Panel | | | | Details |
| DCP | Dry Chemical Powder | | | | Details |
| DCPH | degree celsius per hour | | | | Details |
| DCPM | degree celsius per minute | | | | Details |
| DCPS | degree celsius per second | | | | Details |
| DCQ | Daily Contracted Quantity (Gas supply contract) | | | | Details |
| DCR | Daily Cost Report | | | | Details |
| DCR | Deep Carbonate Revisit | | | | Details |
| DCR | Design & Construction Regulations | | | | Details |
| DCR | Deep Carbonate Reservoir | | | | Details |
| DCS | Distributed Control System | | | | Details |
| DCS | Document Control System | | | | Details |
| DCS | Distributed Control System | | | | Details |
| DCS | Date Circulation Stopped | | | | Details |
| DCS | Digital & Cybersecurity | | | | Details |
| DCSF | Delta Conductivity for SFL | | | | Details |
| DCSH | Shear differential coupling | | | | Details |
| DCSs | Decision Control Systems | | | | Details |
| DCST | Stoneley differential coupling | | | | Details |
| DCSU | Dry Weight Percent Corrected Sulfur | | | | Details |
| DCTR | detector | | | | Details |
| DCU | delayed coking unit | | | | Details |
| DC_A | Averaged Rotational Differential Caliper | | | | Details |
| DDBHC | DDBHC Waveform Log | | | | Details |
| DDBHC | Depth derived bore hole compensation | | | | Details |
| DDCV | deep draft caisson vessel | | | | Details |
| DEC | Drilling Engineering Center|| | Drilling Engineering Center | Drilling Engineering Center | Drilling Engineering Center | Details |
| DEC | Drilling Engineering Coordinator|| | Drilling Engineering Coordinator | Bohrtechnik Coordinator | Coordonnateur de forage Ingénierie | Details |
| dec | decimal | | | | Details |
| DEC | Drilling Engineering Center | | | | Details |
| DEC | Drilling Engineering Coordinator | | | | Details |
| DECC | Department for Energy and Climate Change (United Kingdom) | | | | Details |
| DECC | Department for Energy and Climate Change (UK) | | | | Details |
| decl | decline | | | | Details |
| DECL | DIT-E Command Loopback Word | | | | Details |
| DECN | decanewton | | | | Details |
| DECON | Deconvolution | | | | Details |
| decr | decrease | | | | Details |
| decr | decrease(ed)(ing) | | | | Details |
| decr | decreasingly | | | | Details |
| decr | decreasing | | | | Details |
| Decr, decr | decrease (-ing) | | | | Details |
| DECS | DIT-E Controller Status Word | | | | Details |
| DECT | Decay Time | | | | Details |
| deg C | degree celsius | | | | Details |
| degc | Degree Celcius | | | | Details |
| DEGC | degree celsius | | | | Details |
| degC | degree celsius | | | | Details |
| degC/(kgf/cm2) | degree celsius per kilogram per square centimeter | | | | Details |
| degC/30m | degree celsius per thirty meters | | | | Details |
| degC/bar | degree celsius per bar | | | | Details |
| degC/ft | degree celsius per foot | | | | Details |
| degC/h | degree celsius per hour | | | | Details |
| degC/km | degree celsius per kilometer | | | | Details |
| degC/kPa | degree celsius per kilopascal | | | | Details |
| degC/m | degree celsius per hundred meters | | | | Details |
| degC/m | degree celsius per meter | | | | Details |
| degC/min | degree celsius per minute | | | | Details |
| degC/s | degree celsius per second | | | | Details |
| Deoco | Deminex Egypt Company | | | | Details |
| DEPC | Depth Control Log | | | | Details |
| desc | description | | | | Details |
| DESC | Descriptive Comments | | | | Details |
| Descr | description | | | | Details |
| DFAC | Differential FAC | | | | Details |
| DFC1 | Derivative of Fast Channel 1 | | | | Details |
| DFC2 | Derivative of Fast Channel 2 | | | | Details |
| DFC3 | Derivative of Fast Channel 3 | | | | Details |
| DFC4 | Derivative of Fast Channel 4 | | | | Details |
| DFCHV | Derivative of FBCC regulated EMEX | | | | Details |
| DFCV | Double Flapper Check Valve | | | | Details |
| DFE (ACD) | Drill Floor Elevation (Admiralty Chart Datum) | | | | Details |
| DFPC_DIAG | RST Depth Filter Processing Constant | | | | Details |
| DG-Packer | Double Grip Packer | | | | Details |
| DGC | Downhole Gas Compressor | | | | Details |
| DGCA | Directorate General of Civil Aviation | | | | Details |
| DGPC | Directorate General of Petroleum Concessions | | | | Details |
| Dgt Tp Rec | Digital Tape Recording | | | | Details |
| DHC | Down Hole Camera (Eline) | | | | Details |
| DHC | Depositional History Curve | | | | Details |
| DHC | downhole controller | | | | Details |
| DHC | Down Hole Caliper | | | | Details |
| DHC | dry-hole contribution | | | | Details |
| DHC | Dry Hole Cost | | | | Details |
| DHC | Dry Hole Costs | | | | Details |
| DHC | Down Hole Choke | | | | Details |
| DHCI | Downhole chemical injection | | | | Details |
| DHCP | Dynamic Host Configuration Protocol | | | | Details |
| DHC_ERR | Downhole Controller Error Flags | | | | Details |
| DHC_ERR_SL | Downhole Controller Error Flags - Station | | | | Details |
| DHFC | Down Hole Flow Control | | | | Details |
| DHFC | downhole flow control | | | | Details |
| DIBHC | DIS BHC Log | | | | Details |
| DIC | Dissolved Inorganic Carbon | | | | Details |
| dichlor | dichloride | | | | Details |
| DICHTL | Kondensatdichte (Tonne/m3) | gas density | | | Details |
| DICHTO | Öldichte (Tonne/m3) | Oil density | | | Details |
| DICOL | Distribuidora de Combustiveis e Lubrificantes da Guinea Bissau Lda. Portugal | | | | Details |
| DIELC | Dielectric_Constant | | | | Details |
| DIOCO | DEMINEX Egypt Co. Egypt | | | | Details |
| Dip Rec | Dip Log Digital Log Dgt | | | | Details |
| DIPC | Basic Diplog Computation | | | | Details |
| Disc | Discorbis | | | | Details |
| disc | discount | | | | Details |
| disc | discover(ed)(ing)(ion) | | | | Details |
| DISC | Disconformity Facies | | | | Details |
| Disc. | grav. Discorbis gravelli | | | | Details |
| Disc. | norm. Discorbis normada | | | | Details |
| Disc. | y. Discorbis yeguaensis | | | | Details |
| disch | discharge | | | | Details |
| DLC | dual lower tubing | | | | Details |
| DLC | Direct Line Compensator | | | | Details |
| DLCs | Direct Line Compensators | | | | Details |
| DLCS | DLC Status | | | | Details |
| DMAIC | Define, Measure, Analyze, Improve | | | | Details |
| DMC | Dynamic Matrix Control | | | | Details |
| DMCD | Differential Caliper | | | | Details |
| DMUC | Dummy MRPP Uphole Current | | | | Details |
| DNC1 | DP_1 Nclo | | | | Details |
| DNC1_DL | MRDP 1 Difference Frequency in Clock | | | | Details |
| DNC2 | MRDP 2 Nclo | | | | Details |
| DNC2_DL | MRDP 2 Difference Frequency in Clock | | | | Details |
| DNC3 | MRDP 3 Nclo | | | | Details |
| DNC3_DL | MRDP 3 Difference Frequency in Clock | | | | Details |
| DNNC | Log of the Distance to the Nearest | | | | Details |
| DNSCM | Density Neutron Standoff Caliper MultiLink | | | | Details |
| DOC | Declaration Of Commerciality | | | | Details |
| DOC | Daniel Oil Calculation | | | | Details |
| DOC | drilled or drilling out cement | | | | Details |
| DOC | diesel oil well | | | | Details |
| Doc | Dockum | | | | Details |
| doc | document | | | | Details |
| DOC | drilled-out cement | | | | Details |
| doc-tr | doctor-treatment | | | | Details |
| DOCREQ | Document request | | | | Details |
| DODC | Development Operations Coordination Document (US Govt GoM Well Permit applic form) | | | | Details |
| dolc | dolomitic | | | | Details |
| DPC | Dew Point Control | | | | Details |
| DPC | Dubai Petroleum Company | | | | Details |
| DPC | Datum Plane of Computation | | | | Details |
| DPC | Dedicated Processing Center | | | | Details |
| DPC SCE | Perforating-Ceramic | | | | Details |
| DPC1_DL | MRDP 1 Quartz Pressure Compensation | | | | Details |
| DPC2_DL | MRDP 2 Quartz Pressure Compensation | | | | Details |
| DPC3_DL | MRDP 3 Quartz Pressure Compensation | | | | Details |
| DPCH | Differential Pressure Channel | | | | Details |
| DPGWC | Deepest Possible gas water contact | | | | Details |
| DQC | Data Quality Curve for LAPCUR | | | | Details |
| DQLC | Dipmeter Quality Control Log | | | | Details |
| Dr Crk | Dry Creek | | | | Details |
| DRASCI | Driver RASCI | | | | Details |
| DRLCT | Drilling Chart | | | | Details |
| DSC | Dubai Shipping Company | | | | Details |
| DSC | Differential Scanning Calorimetry (see comment) | | | | Details |
| DSC | Drill String Compensator | | | | Details |
| DSC | Drilling Safety Costs | | | | Details |
| DSCAN | DSC Analysis Report | | | | Details |
| dscfm | dry standard cubic feet per minute | | | | Details |
| DSCP | DownStream Choke Pressure | | | | Details |
| DSCs | Drill String Compensators | | | | Details |
| DTC | Delta T Compressional (log). | | | | Details |
| DTC | Doha Training Center (Schlumberger's base in Doha) | | | | Details |
| DTC | Compressional Wave Slowness | | | | Details |
| DTC | Delta-T Time Corrected | | | | Details |
| DTCO | Sonic Compressional | | | | Details |
| DTCO | Delta T Sonic, Compressional | | | | Details |
| DTCO | Delta-T Compressional | | | | Details |
| DTCU | Delta-T Computed Uphole | | | | Details |
| DTHC | Delta-T High Resolution Compensated | | | | Details |
| DTLC | Delta-T Long Compressional | | | | Details |
| DTMETRIC | Delta T Sonic in Meter | | | | Details |
| DTSC | Delta-T Short Compressional | | | | Details |
| DUC | dual upper casing | | | | Details |
| DUC | Dansk Underground Consortium Denmark | | | | Details |
| DUC | drilled but uncompleted | | | | Details |
| DUMC | Dummy C | | | | Details |
| DUPETCO | Dubai Petroleum Co. Dubai | | | | Details |
| Dutch | Dutcher | | | | Details |
| DVC | Deviation Condition | | | | Details |
| DVCO | Displacement VCO Counts | | | | Details |
| DwC | Drilling with Casing | | | | Details |
| DWC | drilling and well completion | | | | Details |
| DWCA | Dry Weight Percent Calcium | | | | Details |
| DWCC | Downhole Wet- Connector Compensation | | | | Details |
| DWCH | Downhole Wet- Connector Head | | | | Details |
| DWCS | Deep Water Control System | | | | Details |
| DWIC | Dry Weight Percent Inorganic Carbon | | | | Details |
| DWISC | Drilling and Well Integrity Sub-Committee | | | | Details |
| DWSC | Dry Weight Percent Corrected Sulfur | | | | Details |
| DWWCG | Deepwater Well Control Guidelines | | | | Details |
| DXC | DXC Pressure Pilot Report | | | | Details |
| Dxc | Corrected d exponent | | | | Details |
| dyne/cm | dyne per centimeter (GeoFrame legacy unit) | | | | Details |
| DYNE/CM | dyne per centimeter | | | | Details |
| DZPC | Dair al-Zur Petroleum Company | | | | Details |
| E-cat | equilibrium catalyst | | | | Details |
| E/C | Equipment check | | | | Details |
| E/C | Equipment check | | | | Details |
| E/S/C | Excess, Surplus & Catastrophe | | | | Details |
| E1CC | AGS Detector 1 Channel Control Word | | | | Details |
| E1CS | AGS Detector 1 Board Counter SLM Status | | | | Details |
| E2CC | AGS Detector 2 Channel Control Word | | | | Details |
| E2CS | AGS Detector 2 Board Counter SLM Status | | | | Details |
| EAC | Estimate At Completion | | | | Details |
| EACs | Export Assistance Centers | | | | Details |
| EAGC | European Autumn Gas Conference | | | | Details |
| EAOC | Exxon Azerbaijan Operating Company | | | | Details |
| EATC | EATT with Environmental Corrections | | | | Details |
| EC | European Commission | | | | Details |
| EC | East Coast | | | | Details |
| EC | Energy Component (company that built PIMMS) | | | | Details |
| EC | ECUADOR | | | | Details |
| EC | Essentiality Certificate | | | | Details |
| EC | European Commission (—) | | | | Details |
| EC | EC Einpressonde über Casing | | | | Details |
| EC | Executive Committee | | | | Details |
| EC | Electronic Corrosion | | | | Details |
| ECA | Export Credit Agency | | | | Details |
| ECA | Energy Conversion Agreement | | | | Details |
| ECAS | Emirates Conformity Assessment System | | | | Details |
| ECATWW-L | Wireline department in GAE | | | | Details |
| ECB | Economic Commission Board | | | | Details |
| ECB | European Central Bank | | | | Details |
| ECC | Emergency Control Center | | | | Details |
| ECC | eccentric | | | | Details |
| ECC | Tool Eccentricity Image Enhancement | | | | Details |
| ECC | Emergency Control Co-ordinator | | | | Details |
| ECC | Eccentering | | | | Details |
| ECCE | Eccentering | | | | Details |
| ECCE_RF | USIT Eccentering | | | | Details |
| ECCL | ECS Low Level Discriminator Control Loop | | | | Details |
| ECCN | Export Control and Compliance Number | | | | Details |
| ECD | Equivalent Circulating Density | | | | Details |
| ECD | Ellipse Center Distance | | | | Details |
| ECD | Effective circulating density | | | | Details |
| ECDC | Eccentered Caliper Device - C | | | | Details |
| ECE | Electronic Corrosion Engineer Software | | | | Details |
| ECE | Energy Collaboration Environment | | | | Details |
| ECEN | Eddy Current, Enhanced | | | | Details |
| ECFT | Environmental Correction | | | | Details |
| ECGC | Export Credit Guarantee Corporation of India | | | | Details |
| ECGD | Export Credits Guarantee Department | | | | Details |
| ECGR | Environmentally Corrected Gamma Ray | | | | Details |
| Ech | echinoid | | | | Details |
| ECHI | ECS Chi-squared of Linear Solver Yield Fit Chi_Square | | | | Details |
| ECHO | echo | | | | Details |
| ECHO_AMP | Echo Amplitudes | | | | Details |
| ECHO_AMP_SL | Echo Amplitudes - Station Log | | | | Details |
| ECHO_BASE | Echo Baseline | | | | Details |
| ECHO_BASE_SL | Echo Baseline - Station Log | | | | Details |
| ECID | Casing Inner Diameter - Brine | | | | Details |
| ECL | Eclipse | | | | Details |
| ECL | Exploration Consultants Limited | | | | Details |
| ECLA | Eddy Current, Lower Array | | | | Details |
| ECM | East Cimarron Meridian(Oklahoma) | | | | Details |
| ECM | Eddy Current Maximum | | | | Details |
| ECMOR | European Conference on the Mathematics of Oil Recovery | | | | Details |
| ECMS | Electrical Control and Monitoring System | | | | Details |
| ECN | Netherlands Energy Research Foundation (Energieonderzoek Centrum Nederland) Netherlands | | | | Details |
| ECO | Ecoscope | | | | Details |
| ECOGAS | OMV Gas Marketing & Trading GmbH | | | | Details |
| Econ | economics, economy, economizer | | | | Details |
| ECONDE | OMV Gas Marketing & Trading Deutschland GmbH | | | | Details |
| ECONHU | OMV Gas Marketing & Trading Hungária Kft. | | | | Details |
| ECONIT | OMV Gas Marketing & Trading Italia S.r.l. | | | | Details |
| ECOPETROL | Empresa Colombiana de Petroleos Colombia | | | | Details |
| ECoS | Economical Chance of Success | | | | Details |
| ECOS | Energy Compressional Stacked | | | | Details |
| ECP | External Casing Packer | | | | Details |
| ECP | Economics, Cost control, Planning | | | | Details |
| ECR | Emergency Command Room | | | | Details |
| ECR | Emergency Control Room | | | | Details |
| ECR | Employment Change Request | | | | Details |
| ECR | Eddy Current Reference | | | | Details |
| ECRD | Electrically Controlled Release Tool | | | | Details |
| ECS | Elemental Capture Spectroscopy Sonde | | | | Details |
| ECS | Elemental Capture Sonde | | | | Details |
| ECS | Externally Catalyzed Silicates | | | | Details |
| ECS | Ecuador Sucre | | | | Details |
| ecs | environmental compatibility study | | | | Details |
| ECS | Ecuadorian sucre | | | | Details |
| ECSS | Externally Catalyzed Silicate Systems | | | | Details |
| ECSS | ECS Acquisition Status Word | | | | Details |
| ECST | ECS Temperature | | | | Details |
| ECT | Engineering, Completion & Testing|| | Engineering, Completion & Testing | Ingenieurwesen, Completion & Testing | Ingénierie, achèvement et d'essais | Details |
| ECT | Engineering Completion & Test | | | | Details |
| Ect | Ector(County, TX) | | | | Details |
| ECT | Engineering, Completion & Testing | | | | Details |
| ect | environmental control truck | | | | Details |
| ECT | EMS Cartridge Temperature | | | | Details |
| ECT | Electro | | | | Details |
| ECTFE | thermoplastic fluoropolymer | | | | Details |
| eCTU | electric line coiled tubing unit | | | | Details |
| ECU | ECUADOR | | | | Details |
| ECUA | Eddy Current, Upper Array | | | | Details |
| ECUWAS | Economic Cummunity of West African States | | | | Details |
| EDC | Egyption Drilling Company | | | | Details |
| EDC | Ethylene Dichloride | | | | Details |
| EDCC | ECS Channel Control Word | | | | Details |
| EDCS | ECS Board Counter SLM Status | | | | Details |
| EDCTN(R) | education(tor) | | | | Details |
| EDSC | ECS ADC Subsystem Clear Control SLM Status Tool_Status | | | | Details |
| EDTC | Telemetry Cartridge | | | | Details |
| Educ | education | | | | Details |
| EEC | Eastern European Time | | | | Details |
| EEC | Energy Equity Corp. Ltd. Australia | | | | Details |
| EEC1 | EMS Eccenter 1 | | | | Details |
| EFC | Egyptian Fertilizers Company | | | | Details |
| EFCD | Epithermal Far Counts After Dolomite | | | | Details |
| EFCF | EMS Fixed Caliper Flag | | | | Details |
| EFCL | Epithermal Far Counts After Limestone | | | | Details |
| EFCS | Epithermal Far Counts After Sandstone | | | | Details |
| EFCV | Electronic Flow Control Valve | | | | Details |
| EFIC | Egyptian Financial and Industrial Company | | | | Details |
| EGCF | ECS Gain Correction Factor | | | | Details |
| EGPC | Egyptian General Petroleum Corporation | | | | Details |
| EGPC | Egyptian General Petroleum Corp. Egypt | | | | Details |
| EGRC | Expert Group on Resource Classification | | | | Details |
| EHC | Equivalent Hydrocarbon Column | | | | Details |
| EIC | Engineer In Charge | | | | Details |
| ELC | Europe Learning Center (Schlumberger's base in France) | | | | Details |
| elec | electric(al) | | | | Details |
| Elec/MAG | electromagnetic | | | | Details |
| EMALCO | Empresa Almacenadora de Combustibles Ltda. Chile | | | | Details |
| EMC | EPA Emission Measurement Center | | | | Details |
| EMC2 | ECS Marquardt Chi-squared | | | | Details |
| EMCF | EMS Mudcake Flag | | | | Details |
| EMCP | EPT Porosity | | | | Details |
| EMOC | Electronic Management of Change | | | | Details |
| EMPSC | Egypt Mobile Phone Services Company | | | | Details |
| ENACOL | Empresa Nacionale de Combustiveis, SARL Cape Verde | | | | Details |
| ENCD | Epithermal Near Counts After Dolomite | | | | Details |
| encl | enclosure | | | | Details |
| ENCL | Epithermal Near Counts After Limestone | | | | Details |
| ENCR | Normalized Casing Resistance E | | | | Details |
| ENCS | Epithermal Near Counts After Sandstone | | | | Details |
| ENERCO | Enerco Enerji Sanayi Ve Ticaret A.Ş. | | | | Details |
| ENIAC | Electronic Numerical Integrator And Computer | | | | Details |
| ENOC | Emirates National Oil Company | | | | Details |
| ENTELEC | Energy Telecommunications & Electrical Association | | | | Details |
| EOC | Equivalent Oil Column | | | | Details |
| EOC | end of curve | | | | Details |
| Eoc | Eocene | | | | Details |
| EOCF | ECS Offset Correction Factor | | | | Details |
| EORSC | Enhance Oil Recovery Sub-Committee | | | | Details |
| EPAC | Exploration & Production Audit Committee | | | | Details |
| EPBC | Exploration & Production Business Council | | | | Details |
| EPC | Engineering, Procurement and Construction | | | | Details |
| EPC | Engineering, Procurement, Construction | | | | Details |
| EPC | Ethiopian Petroleum Enterprise Ethiopia | | | | Details |
| EPC | Egyptian Petrochemicals Company Egypt | | | | Details |
| EPC | Export Promotion Council | | | | Details |
| EPC | Engineering Procurement & Construction | | | | Details |
| EPC | Engineering Package | | | | Details |
| EPC | Engineering Procurement and Construction | | | | Details |
| EPC | Engineering, Procurement, Construction and Commissioning. | | | | Details |
| EPC('C) | Engineering, Procurement, Construction and Commissioning. | | | | Details |
| EPCA | Energy Policy and Conservation Act of 2000 | | | | Details |
| EPCA | Energy Policy and Conservation Act | | | | Details |
| EPCC | Engineer Procure Construct Commission | | | | Details |
| EPCC | Engineering, Procurement, Construction and Comissioning | | | | Details |
| EPCC | Engineering, Procurement, Construction & Commissioning | | | | Details |
| EPCF | Engineering, Procurement, Construction and Finance | | | | Details |
| EPCI | Engineering, Procurement, Construction, and Installation | | | | Details |
| EPCM | Engineering, Procurem, Construction and Management | | | | Details |
| EPCM | Engineering, Procurement, Construction and Management | | | | Details |
| EPCRA | Emergency Planning and Community Right-to-Know Act | | | | Details |
| EPCRA | Emergency Planning and Community Right –To-Know Act ( Title III of SARA, commonly called Right-To-Know or SARA Title III) | | | | Details |
| EPCU | Electrical Power Conditioning Unit | | | | Details |
| EPDC | Electromagnetic Propagation Dielectric | | | | Details |
| Epedeco | Egyptian Petroleum Development Company | | | | Details |
| EPIC | Engineering, Procurement, Installation and Commissioning | | | | Details |
| EPIC Contract | Engineer, Procure, Install and Commission | | | | Details |
| EPICO | Engineer Procure Install Construct Operate | | | | Details |
| EPLPC | EPL-PCD-SGR Log | | | | Details |
| EPX-RTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| EPXRTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| ERC | Emissions Reduction Credit | | | | Details |
| ERC/MK | erection mark | | | | Details |
| ERCB | Energy Resources Conservation Board | | | | Details |
| ERCB | Energy Resources Conservation Board, Alberta | | | | Details |
| ERCB | Energy Resource Conservation Board (Alberta, Canada) | | | | Details |
| ERCO | Contact Resistance E | | | | Details |
| ERCY | Earth Rotation Compensation along Y Axis | | | | Details |
| ERCZ | Earth Rotation Compensation along Z Axis | | | | Details |
| EREC | Epsilon Reconstructed | | | | Details |
| erect | erection | | | | Details |
| Eric | Ericson | | | | Details |
| ERMC | MCFL Confidence on Standoff Zone | | | | Details |
| ESC | Esclation (Esclation of prices in the future) | | | | Details |
| ESC | Excess, Surplus & Catastrophe | | | | Details |
| ESCH | ECS High Voltage Control Loop Status | | | | Details |
| ESCo | Energy Service Company | | | | Details |
| ESCP | ECS Pulse Shape Compensation Control Loop | | | | Details |
| ESCWA | Economic and Social Commission for West Asia | | | | Details |
| ESPCP | Electric Submersible Progressive Cavity Pump | | | | Details |
| ETC | Expected Time of Completion | | | | Details |
| etc | et cetera (and the rest) | | | | Details |
| ETC | Estimate To Complete | | | | Details |
| ETC1 | EMS Tool Center 1 | | | | Details |
| ETC2 | EMS Tool Center 2 | | | | Details |
| ETC3 | EMS Tool Center 3 | | | | Details |
| ETSC | Exploration Technical Sub-Committee Meeting | | | | Details |
| EUROCORD | European Federation of Twine, Cordage and Netting Industries | | | | Details |
| EXC | Excitation | | | | Details |
| exc | Excavation | | | | Details |
| EXCE | Expected Command Echo | | | | Details |
| exch | Exchanger | | | | Details |
| EXCL | EXCLusive | | | | Details |
| excl | excellent | | | | Details |
| Exclas, exclas | extraclast (-ic) | | | | Details |
| Excom | Exploration Committee | | | | Details |
| EXCS | ECS Command Status | | | | Details |
| EXEC | Executive | | | | Details |
| EXPEC | Exploration and Petroleum Engineering Center | | | | Details |
| EXPEC-ARC | Exploration and Petroleum Engineering Center’s Advanced Research Center | | | | Details |
| extrac | extraction | | | | Details |
| EYC | estimated yearly consumption | | | | Details |
| F/C | Flow check | | | | Details |
| F/C | Float collar Collar at the end of a casing used to land plug | | | | Details |
| F1C | RST Far Inelastic Carbon Relative Yield | | | | Details |
| F1CA | RST Far Inelastic Calcium Relative Yield | | | | Details |
| F1CA_SIG | RST Far Inelastic Calcium Relative Yield | | | | Details |
| F1C_SIG | RST Far Inelastic Carbon Relative Yield | | | | Details |
| F2CA | RST Far IC Capture Calcium Relative Yield | | | | Details |
| F2CA_SIG | RST Far IC Capture Calcium Relative Yield | | | | Details |
| F2CL | RST Far IC Capture Chlorine Relative Yield Chlorine_Yield | | | | Details |
| F2CL_SIG | RST Far IC Capture Chlorine Relative Yield Uncertainty | | | | Details |
| FAC | Factual Report | | | | Details |
| FAC | First Aid Case (see comment) | | | | Details |
| FAC | Fast As Can | | | | Details |
| fac | facet(ed) | | | | Details |
| FAC | field acceptance criteria | | | | Details |
| FAC | First Aid Case | | | | Details |
| FAC | Facies-Representative Modes | | | | Details |
| FAC | Final Acceptance Certificate | | | | Details |
| Fac, fac | facet (-ed) | | | | Details |
| FAC1 | Minor electrofacies number (FSUB) | | | | Details |
| FAC2 | Major electrofacies number (FSUB) | | | | Details |
| FAC3 | First graphics shading code | | | | Details |
| FAC4 | Second graphics shading code | | | | Details |
| FAC5 | Graphics water coding to draw horizontal | | | | Details |
| FACC | Fast Acceleration | | | | Details |
| FACE | Fluid Analyzer Command Echo | | | | Details |
| FACHV | Four Arm Caliper Log | | | | Details |
| FACIL | facility(ies) | | | | Details |
| FACO | field authorized to commence operations | | | | Details |
| FACP | FAC Purged (High DDK) | | | | Details |
| FACQ | 2nd Facies Possible from Data Bank | | | | Details |
| FADC | Fluid Analyzer Dark Calibration | | | | Details |
| FAQC | Fluid Analyzer Quality Control Flag | | | | Details |
| FASC | Fullbore Annular Sample Chamber | | | | Details |
| FBAC | Far Background Count Rate | | | | Details |
| FBAC_A | FMI Buttons, aligned, Pad C | | | | Details |
| FBAC_P | FMI Buttons, processed, Pad C | | | | Details |
| FBAC_SL | Background - Far Gates | | | | Details |
| FBC | Fullbore Calliper Flowmeter | | | | Details |
| FBC1 | FBST Buttons, Pad C, Row #1 | | | | Details |
| FBC2 | FBST Buttons, Pad C, Row #2 | | | | Details |
| FBC3 | FBST Buttons, Pad C, Row #3 | | | | Details |
| FBC4 | FBST Buttons, Pad C, Row #4 | | | | Details |
| FBCR | FBST Correlation Resistance | | | | Details |
| FBCV | Full Bore Circulating Valve | | | | Details |
| FBDC | FBST DIP button average, DC | | | | Details |
| FC | Float Collar | | | | Details |
| FC | Flow Check | | | | Details |
| fc | Forecasting | | | | Details |
| FC | Flat Crested Wear | | | | Details |
| FC | fluorocarbon A aromatic resistant seal material | | | | Details |
| FC | filter cake | | | | Details |
| FC | fixed carbon | | | | Details |
| fC | femtocoulomb | | | | Details |
| FC | Forecast | | | | Details |
| FC | Flowcheck To ensure that there is nothing flowing prior to POOH | | | | Details |
| FC | Focused Conductivity | | | | Details |
| FC | first-contact | | | | Details |
| FC | Failure Case | | | | Details |
| FC0 | HDT Fast Channel 0 (Speed Button) | | | | Details |
| FC1 | HDT Fast Channel 1 | | | | Details |
| FC2 | HDT Fast Channel 2 | | | | Details |
| FC3 | HDT Fast Channel 3 | | | | Details |
| FC4 | HDT Fast Channel 4 | | | | Details |
| FC5 | Fast Channel 5 (Dip) | | | | Details |
| FC6 | Correlation with Void | | | | Details |
| FC7 | Correlation with Colored Water | | | | Details |
| FC8 | Correlation with Colored Oil | | | | Details |
| FCA | Free CArrier | | | | Details |
| FCA1 | Values of 12-Button Array from Row 1, Arm | | | | Details |
| FCA1_CV | FMI Buttons, Pad A, Row #1 | | | | Details |
| FCA2 | Values of 12-Button Array from Row 2, Arm | | | | Details |
| FCA2_CV | FMI Buttons, Pad A, Row #2 | | | | Details |
| FCA3 | Values of 12-Button Array from Row 3, Arm | | | | Details |
| FCA3_CV | FMI Buttons, Pad A, Row #3 | | | | Details |
| FCA4 | Values of 12-Button Array from Row 4, Arm | | | | Details |
| FCA4_CV | FMI Buttons, Pad A, Row #4 | | | | Details |
| FCAH | Cumulative Mean Hydraulic Aperture (from | | | | Details |
| FCAL | Single Axis Caliper | | | | Details |
| FCAN | Frequency of Conductive Anomalies | | | | Details |
| FCAP | Cumulative Mean Aperture (from FVA) in the Fracture_Width | | | | Details |
| FCAW | Far calcium windows count-rates | | | | Details |
| FCAX | Fast Channel (High Resolution) | | | | Details |
| FCAY | Fast Channel (High Resolution) | | | | Details |
| FCAZ | Fast Channel (High Resolution) | | | | Details |
| FCB1 | Values of 12-Button Array from Row 1, Arm | | | | Details |
| FCB1_CV | FMI Buttons, Pad B, Row #1 | | | | Details |
| FCB2 | Values of 12-Button Array from Row 2, Arm | | | | Details |
| FCB2_CV | FMI Buttons, Pad B, Row #2 | | | | Details |
| FCB3 | Values of 12-Button Array from Row 3, Arm | | | | Details |
| FCB3_CV | FMI Buttons, Pad B, Row #3 | | | | Details |
| FCB4 | Values of 12-Button Array from Row 4, Arm | | | | Details |
| FCB4_CV | FMI Buttons, Pad B, Row #4 | | | | Details |
| FCBD | Far detector capture background resolution Coefficient | | | | Details |
| FCBG | Far detector capture background gain | | | | Details |
| FCBL | Fluid Compensated CBL Amplitude | | | | Details |
| FCBR | MCFL Filtered Resistivity Buttons | | | | Details |
| FCBS | FBCC U-D Ballast | | | | Details |
| FCC | fluid catalytic cracking | | | | Details |
| FCC | Federal Communications Commission | | | | Details |
| FCC1 | Values of 12-Button Array from Row 1, Arm | | | | Details |
| FCC1_CV | FMI Buttons, Pad C, Row #1 | | | | Details |
| FCC2 | Values of 12-Button Array from Row 2, Arm | | | | Details |
| FCC2_CV | FMI Buttons, Pad C, Row #2 | | | | Details |
| FCC3 | Values of 12-Button Array from Row 3, Arm | | | | Details |
| FCC3_CV | FMI Buttons, Pad C, Row #3 | | | | Details |
| FCC4 | Values of 12-Button Array from Row 4, Arm | | | | Details |
| FCC4_CV | FMI Buttons, Pad C, Row #4 | | | | Details |
| FCCO | Far Carbon/(Carbon+Oxygen) ratio | | | | Details |
| FCCS | Far detector capture chi-square | | | | Details |
| FCCT | Formation control capability test (FIT) | | | | Details |
| FCCU | fluid catalytic cracking unit | | | | Details |
| FCD | Fracture Conductivity (dimensionless) | | | | Details |
| FCD | fracture capacity – a comparison of the conductivity of the fracture to the capacity of the formation | | | | Details |
| FCD | Future Casing Diameter | | | | Details |
| FCD | Flow control device | | | | Details |
| FCD1 | Values of 12-Button Array from Row 1, Arm | | | | Details |
| FCD1_CV | FMI Buttons, Pad D, Row #1 | | | | Details |
| FCD2 | Values of 12-Button Array from Row 2, Arm | | | | Details |
| FCD2_CV | FMI Buttons, Pad D, Row #2 | | | | Details |
| FCD3 | Values of 12-Button Array from Row 3, Arm | | | | Details |
| FCD3_CV | FMI Buttons, Pad D, Row #3 | | | | Details |
| FCD4 | Values of 12-Button Array from Row 4, Arm | | | | Details |
| FCD4_CV | FMI Buttons, Pad D, Row #4 | | | | Details |
| FCEV | FBCC EMEX voltage | | | | Details |
| FCEXPN | Failure Criteria Exponent | | | | Details |
| FCF | Fixed Cage Flowmeter | | | | Details |
| FCF | Free Cash Flow | Or FCFF | | | Details |
| FCF | Free cash flow | | | | Details |
| FCFF | free cash flow to firm | Or FCF | | | Details |
| FCGAIN | Failure Criteria Gain | | | | Details |
| FCGF | Far detector capture gain correction | | | | Details |
| FCHV | FBCC regulated EMEX | | | | Details |
| FCIBHP | Final Closed In Bottom Hole Pressure | | | | Details |
| FCID | Flowmeter Calibration Intercept Down | | | | Details |
| FCIR | FBCC ADC Positive Ref | | | | Details |
| FCIU | Flowmeter Calibration Intercept Up | | | | Details |
| FCK | filter cake | | | | Details |
| FCL | facility capacity limits | | | | Details |
| FCLK | Channel 1 N clock | | | | Details |
| FCM | first-contact miscibility | | | | Details |
| FCMO | Far carbon minus oxygen | | | | Details |
| FCMP | first-contact miscibility pressure | | | | Details |
| FCNB | Cumulative number of fractures in the | | | | Details |
| FCNL | Far Detector Count Rate | | | | Details |
| FCO | Foreign Company|| | Foreign Company | Ausländische Firma | Entreprise étrangère | Details |
| FCO | functional check out | | | | Details |
| FCO | Foreign Company | | | | Details |
| FCO | field change order | | | | Details |
| FCOA | Flag for Coal | | | | Details |
| FCOC | Far detector inelastic carbon-oxygen | | | | Details |
| FCOF | Far detector capture offset correction | | | | Details |
| FCOFST | Failure Criteria Offset | | | | Details |
| FCOL | Fluid Coloration (see comment!) | | | | Details |
| FCOL | Fluid Coloration | | | | Details |
| FCOL_DL | Fluid Coloration (Depth Logging) | | | | Details |
| FCON | Fluid Conductivity Log | | | | Details |
| FCOR | RST Far Carbon/Oxygen Ratio | | | | Details |
| FCOR_SIG | RST Far Carbon/Oxygen Ratio Uncertainty | | | | Details |
| FCOW | Far CO windows ratio | | | | Details |
| FCP | Final circulating pressure | | | | Details |
| FCP | First Calgary Petroleums Ltd. | | | | Details |
| FCP | Fracture Closing Pressure | | | | Details |
| FCP | fracture closure pressure A measurement of the pressure at which the fractured formation closes Generally determined by the change in slope of the pressure reading as leakoff gradually lessens the volume of fluid that is holding the fracture open, until the fracture walls meet and the pressure reverts to a decline to pore pressure | | | | Details |
| FCP | flowing casing pressure | | | | Details |
| FCP | Fitting Coefficient of Potassium - NGT | | | | Details |
| FCP1 | FC_1 Coarse Valve Position | | | | Details |
| FCP1_DL | MRFC 1 Coarse Valve Position | | | | Details |
| FCP2 | MRFC 2 Coarse Valve Position | | | | Details |
| FCP2_DL | MRFC 2 Coarse Valve Position | | | | Details |
| FCP3 | MRFC 3 Coarse Valve Position | | | | Details |
| FCP3_DL | MRFC 3 Coarse Valve Position | | | | Details |
| FCRD | Far detector capture resolution | | | | Details |
| FCS | fixed cage section | | | | Details |
| FCSD | Flowmeter Calibration Slope for Down Line | | | | Details |
| FCSN | Flow Control Sample Number | | | | Details |
| FCSS | Flow Control Seal Status | | | | Details |
| FCSU | Flowmeter Calibration Slope for Up Line | | | | Details |
| FCSW | Far calcium/silicon windows ratio | | | | Details |
| FCT | Fitting Coefficient of Thorium - Global | | | | Details |
| FCT | Facility Capacity Test | | | | Details |
| FCTK | OCAL Flag | | | | Details |
| FCTS | Flow Control Throttle Status | | | | Details |
| FCU | fluid coking unit | | | | Details |
| FCV | Flow Control Valve | | | | Details |
| FCV | formation control valve | | | | Details |
| FCV0 | FBCC analog ground | | | | Details |
| FCV1 | FBCC -ve supply to FBSC | | | | Details |
| FCV2 | FBCC +ve supply to FBSC | | | | Details |
| FCVE | F Curve Log | | | | Details |
| FCVL | FBCC +5V supply | | | | Details |
| FCVN | FBCC -12V supply | | | | Details |
| FCVP | FBCC +12V supply | | | | Details |
| FCWC | Far carbon windows count-rates | | | | Details |
| FDC | Formation Density Compensated Log | | | | Details |
| FDC | Formation Density Log | | | | Details |
| FDC | Formation Density Logging | | | | Details |
| FDC | Caliper | | | | Details |
| FDC | formation Density Caliper | | | | Details |
| FDC | formation density correlated | | | | Details |
| FDC | Formation Density | | | | Details |
| FDC-GR | Formation Density-Gamma Ray Logging | | | | Details |
| FDCNL | formation density compensated neutron log | | | | Details |
| FDGC | Federal Geographic Data Committee | | | | Details |
| FDRC | Capacitance water holdup tool (in PLT tool) | | | | Details |
| FDSC | Field Development Sub-Committee | | | | Details |
| FEC | Fonds d’Equipement Communal | | | | Details |
| FECN | Calibrated Far Epithermal Count Rate | | | | Details |
| FeCO3 | iron carbonate scale | | | | Details |
| FECS | RST Far IC Capture Chi-Square | | | | Details |
| FEDC | Far Epithermal Detector Counts | | | | Details |
| FEPC | FBCC EMEX PLL Control | | | | Details |
| FERC | Federal Energy Regulatory Commission (US gov agency) | | | | Details |
| FERC | U.S. Federal Energy Regulatory Commission | | | | Details |
| FERC | Federal Energy Regulatory Commission | | | | Details |
| FFAC | Formation Factor Log | | | | Details |
| FFC | full fuel cycle | | | | Details |
| FFDC | Far FDC Count Rate | | | | Details |
| FGAC | Far GM Activation Count Rate Correction | | | | Details |
| FGCU | Fuel Gas Conditioning Unit | | | | Details |
| FGMC | Flux Gate Magnetometer | | | | Details |
| FHINC | Friday Holidays INCluded. (Muslim Countries) | | | | Details |
| FIAC | Four Independent Arm Caliper | | | | Details |
| FIC | flow-indicating controller | | | | Details |
| FICR | RST Far Inelastic/Capture Ratio | | | | Details |
| FICS | RST Far Inelastic Chi-Square | | | | Details |
| FICW | Far detector inelastic carbon window | | | | Details |
| FINC | Magnetic Field Inclination | | | | Details |
| FINCO | Finance Committee | | | | Details |
| FINCO | Finance Committee Meeting | | | | Details |
| FIOC | First International Oil Company Kazakhstan | | | | Details |
| FIRC | flow indicating ratio controller | | | | Details |
| Fl-COC | flash point, Cleveland Open Cup | | | | Details |
| FL/EC | Flux Leakage/Eddy Current tool | | | | Details |
| FLC | Fluid Loss Control | | | | Details |
| FLOWLINE_CORR | Flowline Pressure Correction used for | | | | Details |
| FLTCK | filter cake | | | | Details |
| FMC | Federal Maritime Commission | | | | Details |
| Fmc | Formation Change | | | | Details |
| FMC | Fine Medium Coarse | | | | Details |
| FMCS | Continuous Spinner Flowmeter | | | | Details |
| FMECA | Failure Modes, Effects, and Criticality Analysis | | | | Details |
| FMECA | failure mode and criticality effects analysis | | | | Details |
| FMECA | Failure Mode Effects and Criticality Analysis | | | | Details |
| FMTC | FMT Analysis | | | | Details |
| FNCR | Normalized Casing Resistance F | | | | Details |
| FOC | field operations center | | | | Details |
| FOC | Free Of Charge | | | | Details |
| FOC | Free Of Cost | | | | Details |
| FOC | Fiber Optic Cable | | | | Details |
| FOCL | Focus | | | | Details |
| FOCL | focused log | | | | Details |
| FOMC | Federal Open Market Committee | | | | Details |
| FORC | Force Exerted by Cable on Logging Head | | | | Details |
| FOWC | Far oxygen windows count-rates | | | | Details |
| FPAC | Fracture Plausibility given by Acoustics | | | | Details |
| FPC | see Free Point Constant Used in stuck pipe depth calculations | | | | Details |
| FPC | Federal Power Commission | | | | Details |
| FPC1 | Fracture Plausibility given by Criterion 1 Fracture_Plausibility | | | | Details |
| FPC2 | Fracture Plausibility given by Criterion 2 Fracture_Plausibility | | | | Details |
| FPCS | Fracture Plausibility based on Coincident | | | | Details |
| FPCW | Fracture Plausibility of Compressional | | | | Details |
| FPDC | Fracture Plausibility given by Criterion | | | | Details |
| FPRC | Fracture Plausibility of Resistive | | | | Details |
| FQC | Field Quality Champion | | | | Details |
| FRAC | Frac Log DIP | | | | Details |
| frac | fracture | | | | Details |
| FRAC | fracture | | | | Details |
| FRAC L | Frac Log | | | | Details |
| frac(d)(s) | fracture, fractured, fractures | | | | Details |
| Frac, frac | fracture (-d) | | | | Details |
| frac, fract | fracture, fractured | | | | Details |
| FRAC-GR | Frac Log-Gamma Ray Log | | | | Details |
| FRAC/GR | Frac Log-Gamma Ray DIP | | | | Details |
| fracs | fractures | | | | Details |
| fract | fractionation, fractionator, fractional | | | | Details |
| Franc | Franconia | | | | Details |
| FRANCAREP | Compagnie Franco-Afrique de Recherches Petrolieres France | | | | Details |
| FRC | Fire Retardant Clothing (Treated cotton) | | | | Details |
| FRC | Fast Rescue Craft | | | | Details |
| FRC | fire retardant clothing | | | | Details |
| FRC | flow recorder control | | | | Details |
| FRC | Financial Reporting Council | | | | Details |
| FRCO | Contact Resistance F | | | | Details |
| FRIC | Friction factor | | | | Details |
| FSCR | RST Far Shaper Regulation Factor | | | | Details |
| FSGC | (gram per cubic centimeter)-(foot per second) | | | | Details |
| FSPC | RST Far Spectrum C | | | | Details |
| FSVC | FBSC supply, arm C | | | | Details |
| Ft C | Fort Chadborne | | | | Details |
| ft-c | foot-candle | | | | Details |
| ft.g/(s.cm3) | (foot per second)-(gram per cubic centimeter) | | | | Details |
| ft3/SCF | GeoFrame legacy unit | | | | Details |
| FTC | France Training Center (Schlumberger's base in Melun/France for training) | | | | Details |
| FTC | Federal Trade Commission | | | | Details |
| FTC | Fluid Type (Cross correlation) | | | | Details |
| FTC | Flow To Close | | | | Details |
| FTC | Flow Through Sample Cylinder | | | | Details |
| FTC | Flow To Clean | | | | Details |
| ftCla | foot (Clarke) | | | | Details |
| FTCN | Far Thermal Count Rate | | | | Details |
| FTDC | Far Thermal Detector Counts | | | | Details |
| ftGoldCoast | Foot (Gold Coast) | | | | Details |
| FTSC | Flow Through Sample Cylinder | | | | Details |
| Fuc, fuc | fucoid (-al) | | | | Details |
| FVDC | Corrected Fracture Density: Apparent | | | | Details |
| FWC | field wildcat | | | | Details |
| FWC | Field Water Cut | | | | Details |
| FWCO | RST Far Windows Carbon/Oxygen Ratio | | | | Details |
| FWCO_SIG | RST Far Windows Carbon/Oxygen Ratio | | | | Details |
| FWCT | Field Water CuT | | | | Details |
| FWDC | Fractional Weight of Dry Clay | | | | Details |
| FWPC | Weight Percent Calibration Factor For GST | | | | Details |
| FWPCA | Federal Water Pollution Control Act | | | | Details |
| G&MCO | gas & mud cut oil | | | | Details |
| G&MCO | gas & mud-cut oil | | | | Details |
| G&OCM | gas & oil cut mud | | | | Details |
| G&OCM | gas- and oil-cut mud | | | | Details |
| G&OCM | gas and oil cut mud | | | | Details |
| g-cal | gram calorie | | | | Details |
| g.ft/(cm3.s) | (gram per cubic centimeter)-(foot per second) | | | | Details |
| g/(cm3.ft) | gram per cubic centimeter per foot | | | | Details |
| g/(cm3.m) | gram per cubic centimeter per meter | | | | Details |
| G/C | Gas Condensate | | | | Details |
| G/C3 | gram per cubic centimeter | | | | Details |
| g/cc | gram per cubic centimeter | | | | Details |
| G/CM | gauss per centimeter | | | | Details |
| G/CM3 | gram per cubic centimeter | | | | Details |
| g/cm3 | gram per cubic centimeter | | | | Details |
| g/cm3.ft/s | GeoFrame legacy unit | | | | Details |
| GACS | NPLC Gamma Acquisition Control Status | | | | Details |
| GAIC | Gulf Arab Investment Company | | | | Details |
| gal/Mcf | gallons per thousand cubic feet | | | | Details |
| GAOCMAO | Gulf Area Oil Companies Mutual Aid Organization (—) | | | | Details |
| GAPPCO | Gas Processing and Pipeline Company | | | | Details |
| gas-cut | salt water | | | | Details |
| GASC | Gas Correction | | | | Details |
| Gasco | Gas Industries Company | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd. Abu Dhabi | | | | Details |
| GASCO | Egyptian Natural Gas Co. Egypt | | | | Details |
| GAS_SPEC_HEAT | Specific heat of gas at a separator | | | | Details |
| GC | Gas Chromatograph (hydrocarbon analysis) | | | | Details |
| GC | Gauge Cutter (a tool of wireline or slickline used to prove the min ID is open w/o pluging) | | | | Details |
| GC | Gauge Carrier (Expro tool) | | | | Details |
| GC | Gas Chromatograph | | | | Details |
| GC | Gas Chromatography | | | | Details |
| GC | gathering center | | | | Details |
| GC | gas cut | | | | Details |
| GC | gas-cut | | | | Details |
| GC | Gas Condensate | | | | Details |
| GC | Group C | | | | Details |
| GC | Gate Contract | | | | Details |
| GC | Gas Cap | | | | Details |
| GC/MS | gas chromatography-mass spectrometry | | | | Details |
| GCA | gas connect austria | | | | Details |
| GCA | Gaffney Cline Associates | | | | Details |
| GCAA | General Civil Aviation Authority (UAE) | | | | Details |
| Gcal | gigacalorie | | | | Details |
| GCAW | gas cut acid water | | | | Details |
| GCAW | gas-cut acid water | | | | Details |
| GCBD | Gas Cap Blow Down | | | | Details |
| GCC | Gulf Cooperation Council | | | | Details |
| GCC | Gulf Cooperation Council Middle East | | | | Details |
| GCCL | GCT Casing Collar Locator | | | | Details |
| GCD | Gamma Compensated Density | | | | Details |
| GCD | gas-cut distillate | | | | Details |
| GCDB | Geographic Coordinate Database | | | | Details |
| GCE | Gas Cap Expansion | | | | Details |
| GCF | Gas Conversion Factor | | | | Details |
| GCF1 | HNGS Detector 1 Gain Correction Factor | | | | Details |
| GCF2 | HNGS Detector 2 Gain Correction Factor | | | | Details |
| GCHV | HGNS Gamma-Ray Control High Voltage | | | | Details |
| GCI | gas cap injection | | | | Details |
| GCLO | gas cut load oil | | | | Details |
| GCLO | gas-cut load oil | | | | Details |
| GCLOG | Graphic Core Log | | | | Details |
| GCLW | gas cut load water | | | | Details |
| GCLW | gas-cut load water | | | | Details |
| GCM | gas cut mud | | | | Details |
| GCM | gas-cut mud | | | | Details |
| GCMS | Gas Chromatography Mass Spectroscopy | | | | Details |
| GCO | gas cut oil | | | | Details |
| GCO | gas-cut oil | | | | Details |
| GCoS | Geological Chance of Success | | | | Details |
| gcp | Grid Control Point | | | | Details |
| GCPA | gas cap participating area | | | | Details |
| GCPD | gallons condensate per day | | | | Details |
| GCPH | gallons condensate per hour | | | | Details |
| GCR | gas condensate ratio | | | | Details |
| GCR | gas-condensate ratio | | | | Details |
| GCRD | Gamma Guard | | | | Details |
| GCSP | GCT Current Speed | | | | Details |
| GCSW | gas cut salt water | | | | Details |
| GCSW | gas-cut salt water | | | | Details |
| GCT | GCT Log | | | | Details |
| GCT | guidance continuance tool | | | | Details |
| GCT | Guidance Continuous Log | | | | Details |
| GCT | Gamma-CCL-Temperature | | | | Details |
| GCT | Ghasha Consession Team | | | | Details |
| GCU | Gas Conditioning Unit | | | | Details |
| GCV | gas control valve | | | | Details |
| GCW | gas cut water | | | | Details |
| GCW | gas-cut water | | | | Details |
| GDC | Gas District Cooling | | | | Details |
| GDDC | Gas Detector Dark Calibration Data | | | | Details |
| GDDC_DL | Gas Detector Dark Calibration Data (Depth | | | | Details |
| GECF | Gas Exporting Countries Forum | | | | Details |
| GEOCH | Geochemical Evaluation | | | | Details |
| GeschBereich | Geschäftsbereich | | | | Details |
| GFCF | Gross fixed capital formation | | | | Details |
| GGCI | Good + Gaseous Cement Index | | | | Details |
| GHC | Ghanian cedi | | | | Details |
| GIC | Gulf Investment Corporation | | | | Details |
| GIC | Gas Injection Cumulative | | | | Details |
| GIC | Gas Injection Control | | | | Details |
| GIC | Gas Injection Control | | | | Details |
| GIC | Gas Injectant Concentrations | | | | Details |
| GIC | Gas Injection Compressor | | | | Details |
| GIIC | Gulf Industrial Investment Company | | | | Details |
| Gilc | Gilcrease | | | | Details |
| GISCO | Gas Investments and Service Company Ltd. | | | | Details |
| glauc | glauconitic | | | | Details |
| Glauc, glauc | glauconite (-itic) | | | | Details |
| GLC | Gas Lift Compressors | | | | Details |
| GLC | Gas Lift Compressor | | | | Details |
| GLCS | Gas Lift Compression Station | | | | Details |
| glyc | glycol | | | | Details |
| gm-cal | gram-calorie | | | | Details |
| GMCO | gas & mud cut oil | | | | Details |
| GMCO | gas & mud-cut oil | | | | Details |
| GNCR | Normalized Casing Resistance G | | | | Details |
| GNEC | General Nuclear Engineering Co. | | | | Details |
| GNPC | Ghana National Petroleum Corp. Ghana | | | | Details |
| GNPOC | Greater Nile Petroleum Operating Co. Egypt | | | | Details |
| GOC | Gas Oil Contact | | | | Details |
| GOC | gas / oil contact | | | | Details |
| GOC | gas-oil contact | | | | Details |
| GOCI | Good Cement Index | | | | Details |
| GOCM | gas & oil cut mud | | | | Details |
| GOCM | gas- and oil-cut mud | | | | Details |
| GOCM | gas and oil cut mud | | | | Details |
| GPa/cm | gigapascal per centimeter | | | | Details |
| GPC | General Petroleum Company | | | | Details |
| GPC | gas purchase contract | | | | Details |
| GPC | The General Petroleum Co. Egypt | | | | Details |
| GPC | Gas Production Cumulative | | | | Details |
| GPCW | SUB Gain/Phase Control Word | | | | Details |
| GPDC | General Process Design Criteria | | | | Details |
| GPIC | Gulf Petrochemical Industries Company | | | | Details |
| GR CH | Gamma Ray Cased Hole | | | | Details |
| GR&DC | Gulf Research and Development Company | | | | Details |
| GR/CALD | Gamma Ray/Dual Caliper | | | | Details |
| GR/CCL | Gamma Ray/Casing Collar Logging | | | | Details |
| GR/D CALIPER | Gamma Ray/Dual Caliper | | | | Details |
| gr/dscf | grains per dry standard cubic foot | | | | Details |
| GRBC | Gamma-Ray - Borehole-corrected | | | | Details |
| GRC | GREECE | | | | Details |
| GRC | Borehole-corrected Gamma Ray | | | | Details |
| GRC | Governance, Risk, Compliance | | | | Details |
| GRCA | Calibrated Gamma Ray | | | | Details |
| GRCH | Gamma Ray , Cased Hole | | | | Details |
| GRCO | Contact Resistance G | | | | Details |
| GRDC | Gamma Ray Depth Control | | | | Details |
| GRDC | Gulf Research and Development Company | | | | Details |
| GRFC | Gamma Ray Fast Channel | | | | Details |
| GRHC | Gradiomanometer Density, Corrected | | | | Details |
| GRN CH | Gamma Ray Neutron-Cased Hold | | | | Details |
| GRRC | Borehole-Corrected Gamma Ray | | | | Details |
| GRTC | Gamma Ray Total Counts, CountRate | | | | Details |
| GRTC | SUB Gamma Ray Total Counts, Windows 3 thru Count_Rate | | | | Details |
| GR_CAL | Calibrated Gamma Ray | | | | Details |
| GSC | gas sales contract | | | | Details |
| GSC | Green Supply Chain | | | | Details |
| GSCL | -1 for SPM version <= 200, 0.5 otherwise | | | | Details |
| Gscm | giga standard cubic meters (one billion standard cubic meters) | | | | Details |
| GSPC | Gujarat State Petroleum Corp. Ltd. India | | | | Details |
| GTC | Glopbal Technical Consultant | | | | Details |
| GTC | General Terms and Conditions | | | | Details |
| GTC | Gas Technology Canada | | | | Details |
| GTC | Good Till Cancelled | | | | Details |
| Gupco | Gulf of Suez Petroleum Company | | | | Details |
| GUPCO | Gulf of Suez Petroleum Co. Egypt | | | | Details |
| GVC | Global Value Chain | | | | Details |
| GWC | Gas Water Contact | | | | Details |
| GWC | gas-water contact | | | | Details |
| GWC | Gas water content | | | | Details |
| GWDC | Great Wall Drilling Company | | | | Details |
| GWPC | Ground Water Protection Council | | | | Details |
| H/C | hydrocracker | | | | Details |
| HAC | Hazardous Area Classification | | | | Details |
| HAC | Height Above Contact | | | | Details |
| HACCP | Hazard Analysis and Critical Control Point | | | | Details |
| Hackb | Hackberry | | | | Details |
| HADC | APS High Resolution Near/Array Corrected | | | | Details |
| HALC | APS High Resolution Near/Array Corrected | | | | Details |
| HAOC | APS High Resolution Near/Array Porosity | | | | Details |
| HARC | Hazard Analysis & Risk Control | | | | Details |
| HASC | APS High Resolution Near/Array Corrected | | | | Details |
| HATC | APS High Resolution Near/Array Porosity | | | | Details |
| Hatch | the opening on a tank | | | | Details |
| HBACK | HiRes Background - Near Gates | | | | Details |
| HBC | High Resolution Borehole Sonic | | | | Details |
| HBC | High Resolution Borehole Compensated Sonic Log | | | | Details |
| HBDC | LDS High Resolution Bulk Density | | | | Details |
| HC | High Case | | | | Details |
| HC | Hydrocarbons | | | | Details |
| HC | Hydro-Carbons | | | | Details |
| HC | High Collapse (tubing) | | | | Details |
| HC | Heat Checking | | | | Details |
| HC | Hughes Christensen | | | | Details |
| HC | Hydrocarbon | | | | Details |
| HC | hydrocracker | | | | Details |
| HC | Hydro Carbon | | | | Details |
| HCAL | HRCC Calliper (in Logs)(in Inches) | | | | Details |
| HCAL | HRCC Caliper Calibrated | | | | Details |
| HCAL | HRCC Caliper Calibrated | | | | Details |
| HCCL | CCL Maximum Amplitude | | | | Details |
| HCCS | Horizontal Clamp Connection System | | | | Details |
| HCD | Heavy Casing Design | | | | Details |
| HCDL | LDS High Resolution Long-Spaced Total | | | | Details |
| HCDP | Hydrocarbon Development Planning | | | | Details |
| HCDS | Hydrocarbon or Gas Detection | | | | Details |
| HCDS | hydrocarbon drain system | | | | Details |
| HCDS | LDS High Resolution Short-Spaced Total | | | | Details |
| HCDT | Hydrocarbon Down To | | | | Details |
| HCE | Category Estimation | | | | Details |
| HCEN | Hydrogen Centroid for GST-A/IGT Spectrum | | | | Details |
| HCFT | High Resolution Far Thermal Count Rate | | | | Details |
| HCGF | Seismic High Cut Geophone Filter | | | | Details |
| HCGO | heavy coker gas oil | | | | Details |
| HCGR | HNGS Computed Gamma Ray | | | | Details |
| HCGR | HNGS Computed Gamma-Ray | | | | Details |
| HCI | Core Data Import | | | | Details |
| HCI | Human Capital Index | | | | Details |
| HCIP | Hydrocarbon in Place | | | | Details |
| HCIP | Hydrocarbon In Place | | | | Details |
| HCl | see hydrochloric acid | | | | Details |
| HCl | hydrogen chloride | | | | Details |
| HClO2 | chlorine dioxide, a bacteria killer | | | | Details |
| HCLS | Heave Compensating Lift/Landing System (for subsea tree deployment) | | | | Details |
| HCM | Human Capital Management | | | | Details |
| HCM | Horizontal Connection Module. To connect the Xmas Tree to the Manifold | | | | Details |
| HCM | Hole Condition Monitoring | | | | Details |
| HCM | Historical Control Modes | | | | Details |
| HCM | Hydraulic Control Module | | | | Details |
| HCMSF | High Resolution MSFL Conductivity | | | | Details |
| HCN | hydrogen cyanide | | | | Details |
| HCNT | High Resolution Near Thermal Count Rate | | | | Details |
| HCO | heavy cycle oil | | | | Details |
| HCOC | HNGS Formation Cobalt Concentration in | | | | Details |
| HCOIP | Hydrocarbon Originally In Place | | | | Details |
| HCPV | Hydrocarbon Pore Volume | | | | Details |
| HCPVI | Hydrocarbon Pore Volume Injected | | | | Details |
| HCR | High Closing Ratio or Hydraulic Control Remote (see comment) | | | | Details |
| HCR | Highest Conductivity Reading Per 1/2 Ft | | | | Details |
| HCRL | LDS High Resolution Long-Spaced Total | | | | Details |
| HCRS | LDS High Resolution Short-Spaced Total | | | | Details |
| HCS | OSHA Hazard Communication Standard (Worker Right-To-Know) | | | | Details |
| HCS | Hydraulic Cleanout Service | | | | Details |
| HCS | Hydrocarbon shows inferred | | | | Details |
| HCSC | HNGS Formation Cesium Concentration in | | | | Details |
| HCT | Higher College of Technology | | | | Details |
| HCTC | HNGS Detector1-2 Coincidence Count Ratio | | | | Details |
| HCTL | LDS High Resolution Long-Spaced | | | | Details |
| HCTS | LDS High Resolution Short-Spaced | | | | Details |
| HCV | Hard Control Valve (type of valveused for controlling sluges in EWT) | | | | Details |
| HCV | hand-control valve | | | | Details |
| HCW | Hydrocarbon Water Contact | | | | Details |
| HCWC | Hydrocarbon Water Contact | | | | Details |
| HDC1 | HY_1 Duty Cycle | | | | Details |
| HDC1_DL | MRHY 1 Duty Cycle | | | | Details |
| HDC2 | HY_2 Duty Cycle | | | | Details |
| HDC2_DL | MRHY 2 Duty Cycle | | | | Details |
| HDC3 | HY_3 Duty Cycle | | | | Details |
| HDC3_DL | MRHY 3 Duty Cycle | | | | Details |
| HDECK | Heli Deck | | | | Details |
| HDQC | LDS High Resolution Density Quality | | | | Details |
| HEC | hydroxyethyl cellulose | | | | Details |
| HEC | hydroxyl ethyl cellulose, a synthetic polymer | | | | Details |
| HFBAC | HiRes Background - Far Gates | | | | Details |
| HFCR | APS High Resolution Thermal Detector Count Count_Rate | | | | Details |
| HFEC | APS High Resolution Far Detector Count | | | | Details |
| HFKC | HNGS Formation Potassium Concentration in | | | | Details |
| HGCM | heavily (highly) gas cut mud | | | | Details |
| HGCM | heavily(highly) gas-cut mud | | | | Details |
| HGCSW | heavily (highly) gas cut salt water | | | | Details |
| HGCSW | heavily(highly) gas-cut salt water | | | | Details |
| HGCW | heavily (highly) gas cut water | | | | Details |
| HGCW | heavily(highly) gas-cut water | | | | Details |
| HHSC | APS High Resolution Near/Array Porosity | | | | Details |
| HIC | Hydrogen-induced Cracking | | | | Details |
| HIC | Hydrogen Induced Cracking | | | | Details |
| HIC | Hydrogen Induced Cracking | | | | Details |
| Hick | Hickory | | | | Details |
| HISC | Hydrogen induced stress cracking | | | | Details |
| HLCA | LDS High Resolution Caliper | | | | Details |
| HMC1 | HY_1 Motor Current | | | | Details |
| HMC1_DL | MRHY 1 Motor Current | | | | Details |
| HMC2 | HY_2 Motor Current | | | | Details |
| HMC2_DL | MRHY 2 Motor Current | | | | Details |
| HMC3 | HY_3 Motor Current | | | | Details |
| HMC3_DL | MRHY 3 Motor Current | | | | Details |
| HMC8 | HRDD High Resolution Mudcake Thickness | | | | Details |
| HMCA | MCFL Averaged Mudcake Thickness From | | | | Details |
| HMCI | HRDD Enhanced Resolution Mudcake Thickness Filter_Cake_Thickness | | | | Details |
| HMCR | MCFL Mudcake Thickness from Resistivity | | | | Details |
| HMCU | Hydraulic Motor Current | | | | Details |
| HMCU_DL | Hydraulic Motor Current | | | | Details |
| HMCZ | HRDD Standard Resolution Mudcake Thickness Filter_Cake_Thickness | | | | Details |
| HMFC | Corrected HMFL | | | | Details |
| HMRC | Her Majesty's Revenue and Customs | | | | Details |
| HNEC | APS High Resolution Near Detector Count | | | | Details |
| HO&GCM | heavily (highly) oil & gas cut mud | | | | Details |
| HO&GCM | heavily(highly) oil- and gas-cut mud | | | | Details |
| HOC | Hazard Observation Caused | | | | Details |
| HOC | Hindustan Organic Chemicals Ltd. India | | | | Details |
| HOc1 | Heating Oil Futures Contract: CME Group (NYMEX) | | | | Details |
| hock | hockleyensis | | | | Details |
| HOCM | heavily (highly) oil cut mud | | | | Details |
| HOCM | heavily(highly) oil-cut mud | | | | Details |
| HOCSW | heavily (highly) oil cut salt water | | | | Details |
| HOCSW | heavily(highly) oil-cut salt water | | | | Details |
| HOCW | heavily (highly) oil cut water | | | | Details |
| HOCW | heavily(highly) oil-cut water | | | | Details |
| HOGCM | heavily (highly) oil & gas cut mud | | | | Details |
| HOGCM | heavily(highly) oil- and gas-cut mud | | | | Details |
| HPB0CH | Hall Probe Static Magnetic Field | | | | Details |
| HPB0CH_SL | Hall Probe Static Magnetic Field | | | | Details |
| HPB0CL | Hall Probe Static Magnetic Field | | | | Details |
| HPB0CL_SL | Hall Probe Static Magnetic Field | | | | Details |
| HPC | High-Power-Charging | | | | Details |
| HPCL | Hindustan Petroleum Corporation Limited | | | | Details |
| HPCL | Hindustan Petroleum Corporation Ltd. India | | | | Details |
| HPLC | High-performance liquid chromatography | | | | Details |
| HPRCE | High Pressure/High Temperature Autoclave | | | | Details |
| HRCAL | HRCC Caliper Uncalibrated | | | | Details |
| HRCC | High Resolution Control Cartridge | | | | Details |
| HRCC | HCAl of Calliper (in Inches) | | | | Details |
| HRCC | HILT High Resolution Common Cartridge | | | | Details |
| HRCH | Hostile Releasable Cablehead (see comment!) | | | | Details |
| HS CBL | H2S Cable | | | | Details |
| HSC | Hydrogen Stress Cracking | | | | Details |
| HSCL | 1 for SPM version <= 200, 0.5 otherwise | | | | Details |
| HSEC | Health, Safety & Environment Committee | | | | Details |
| HSHC | APS High Resolution Standoff Porosity Hole Porosity_Correction | | | | Details |
| HSIGC | HiRes Sigma Correction | | | | Details |
| HSTC | High Speed Telemetry Cartridge | | | | Details |
| HSTC | APS High Resolution Corrected Standoff | | | | Details |
| HTCAF | HiRes Total Counts Analyzed Far | | | | Details |
| HTCAN | HiRes Total Counts Analyzed Near | | | | Details |
| HTCFD | HiRes Total Counts Far Detector | | | | Details |
| HTCND | HiRes Total Counts Near Detector | | | | Details |
| HTFC | APS High Resolution Thermal Detector Count None | | | | Details |
| HTHC | HNGS Formation Thorium Concentration in | | | | Details |
| HTNC | APS High Resolution Array Detectors Count | | | | Details |
| HTSCF | HiRes Total Selected Counts Far Detector | | | | Details |
| HTSCN | HiRes Total Selected Counts Near Detector | | | | Details |
| HUC | Hook Up ? (offshore) | | | | Details |
| HUC | Hydrocarbon Ultra-Fine Cements | | | | Details |
| HUCS | Hydrocarbon Ultra-Fine Cement Systems | | | | Details |
| HURC | HNGS Formation Uranium Concentration in | | | | Details |
| HVAC | Heating, Ventilating and Air-Conditioning | | | | Details |
| HVAC | heating ventilating and air conditioning | | | | Details |
| HVAC | Heating, Ventilating and Air Conditioning | | | | Details |
| HVAC | Heating, Ventilation and Air Conditioning | | | | Details |
| HVAC | Heat Ventilation & Air-Conditioning | | | | Details |
| HVAC | Heating, ventilation, and air conditioning | | | | Details |
| HVC | Hydraulically Variable Choke | | | | Details |
| HVDC | High Voltage Direct Current | | | | Details |
| HV_CUR | High Voltage Supply Current | | | | Details |
| HV_CUR_SL | High Voltage Supply Current - Station Log | | | | Details |
| HV_PEAK_CUR | High Voltage Peak Current | | | | Details |
| HWC | High Water Cut | | | | Details |
| hwc | free-water level (height of initial water level) | | | | Details |
| HWC | Hydrocarbon Water Contact | | | | Details |
| HWCM | heavily (highly) water cut mud | | | | Details |
| HWCM | heavily(highly) water-cut mud | | | | Details |
| Hydc | hydrocarbon | | | | Details |
| HYDCA | Hydril Type CA joint | | | | Details |
| hydcarb | hydrocarbon | | | | Details |
| HYDCS | Hydril Type CS Joint | | | | Details |
| HYDRO-Congo | National Oil Exploration and Exploitation Corp. Congo | | | | Details |
| I&C | instrumentation and control | | | | Details |
| I/C | interconnection(ing) | | | | Details |
| I/CFD | interconnecting flow diagram | | | | Details |
| I1CO | I1 Conductivity | | | | Details |
| IAC | International Assignment Contract | | | | Details |
| IACMAG | International Association of Computer Methods and Geomechanics | | | | Details |
| IACO | International Civil Aviation Organization | | | | Details |
| IACS | Industrial Automation & Control Systems | | | | Details |
| IADC | International Association of Drilling Contractors | | | | Details |
| IADC | International Association of Drilling Contractors (formerly AAODC) | | | | Details |
| IAG EC | Integrated Asset Groups Executive Committee | | | | Details |
| IAGC | International Association of GeoChemistry | | | | Details |
| IAGC | International Association of Geophysical | | | | Details |
| IAGEC | Integrated Asset Groups Executive Committee | | | | Details |
| IARC | Inter Arab Ratings Company | | | | Details |
| IARC | International Agency for Research on Cancer | | | | Details |
| IBBC | iron body brass core(valve) | | | | Details |
| IBC | Intermediate Bulk Container | | | | Details |
| IBCA | International Banking Credit Agency | | | | Details |
| IBCA | Current flowing out of Resistivity button | | | | Details |
| IBCF | Fluctuation in button current | | | | Details |
| IBCT | The current flowing across measuring | | | | Details |
| IC | Ion Chromatography | | | | Details |
| IC | Integrated Circuit | | | | Details |
| IC | ICELAND | | | | Details |
| IC | inner casing | | | | Details |
| IC | iron case | | | | Details |
| IC | Infinite Conductivity | | | | Details |
| IC | ECS Inelastic Carbon Relative Yield | | | | Details |
| IC | Investment Committee | | | | Details |
| IC | Intercompany | | | | Details |
| IC | Initial Condition | | | | Details |
| IC | instrumentation and control | | | | Details |
| IC1R | Inelastic / Capture Mode 1 Ratio from | | | | Details |
| IC2C | Isolation AMP, D2-A2 Current, Center | | | | Details |
| IC2U | Isolation AMP, D2-A2 Current, Upper | | | | Details |
| iC4 | iso-Butane | | | | Details |
| ICA | ECS Inelastic Calcium Relative Yield | | | | Details |
| ICAL | Imaging Caliper | | | | Details |
| ICAO | International Civil Aviation Organization | | | | Details |
| ICAP | Electrical Standoff Current, 0 degree | | | | Details |
| ICAP/MS | inductively coupled argon plasma/mass spectrometry | | | | Details |
| ICAQ | Electrical Standoff Current, 90 degree | | | | Details |
| ICB | Industry Classification Benchmark | | | | Details |
| ICC | International Criminal Court | | | | Details |
| ICC | Interstate Commerce Commission | | | | Details |
| ICCP | Impressed Current Cathodic Protection | | | | Details |
| ICCS | Integrated Control & Safety Shutdown System | | | | Details |
| ICCS | Integrated Control & Safety Shutdown Sysyem | | | | Details |
| ICD | Inflow Control Device | | | | Details |
| ICD | Inflow Control Devices | | | | Details |
| ICD | Inflow control device | | | | Details |
| ICE | Integrated Charge Evaluation | | | | Details |
| ICE | InterContinental Exchange | | | | Details |
| ICE | Integrated Collaborate Environment | | | | Details |
| ICEED | International Research Center for Energy and Economic Development | | | | Details |
| ICF | inverse cubic foot | | | | Details |
| icfos | microfossil(iferous) | | | | Details |
| ICGP | Inside Casing Gravelpack | | | | Details |
| ICGPW | Inside Casing Gravelpack Wechsel | | | | Details |
| ICGTI | International Centre for Gas Technology Information IEA | | | | Details |
| ICHI | Inelastic Chi-square from GST-A/IGT | | | | Details |
| ICHL | Inelastic Chlorine Weight from GST-A/IGT | | | | Details |
| ICI | Imperial Chemical Industries Ltd. UK | | | | Details |
| ICIANZ | Imperial Chemical Industries of Australia & New Zealand Ltd. UK | | | | Details |
| ICIP | Initial Closed In Pressure | | | | Details |
| ICJ | International Court of Justice | | | | Details |
| ICM | inverse cubic meter | | | | Details |
| ICMS | Inspection and Corrosion Management System | | | | Details |
| ICOFC | Iranian Central Oil Fields Company | | | | Details |
| ICoTA | Intervention and Coiled Tubing Association | | | | Details |
| ICOTA | International Coiled Tubing Operators Association | | | | Details |
| ICP | Intermediate Casing Point | | | | Details |
| ICP | Iron Couple Plasma | | | | Details |
| ICP | inflatable casing packer | | | | Details |
| ICP | inside casing gravel pack | | | | Details |
| ICP | initial circulating pressure | | | | Details |
| ICP-OES | inductive coupled plasma optical emission spectroscopy | | | | Details |
| ICPA | International Cooperative Petroleum Assn. Netherlands | | | | Details |
| ICR | information collection request | | | | Details |
| ICR | Nominal Inside Casing Radius | | | | Details |
| ICR1 | Instantaneous Cosine R1 | | | | Details |
| ICRM | Innovative Customer Relationship Management | | | | Details |
| ICRR | Inelastic Count Rate Ratio (Near to Far; | | | | Details |
| ICS | Incident Command System | | | | Details |
| ICS | Customer Instrument Service | | | | Details |
| ICS | Internally catalyzed silicates | | | | Details |
| ICS | Internal Control System | Internes kontrollsystem | | | Details |
| ICS | Integrated Control Systems | | | | Details |
| ICS | Interim Compression Solution | | | | Details |
| Icsg | Intermediate Casing | | | | Details |
| ICSS | Integrated Controls and Safety System | | | | Details |
| ICSS | Internally catalyzed silicate systems | | | | Details |
| ICSS | Integrated Control and Safety System | | | | Details |
| ICSU | Integrated Commissioning and Start Up | | | | Details |
| ICV | Inflow/Interval/Injection Control Valve (smart completion equipment) | | | | Details |
| ICV | Integrated Cement Volume (of Borehole)(in Cubic Metres) | | | | Details |
| ICV | Interval Control Valve | | | | Details |
| ICV | Inflow Control Valve | | | | Details |
| ICV | Inflow Control Valves | | | | Details |
| ICV | Integrated Cement Volume | | | | Details |
| ICV | In-Country Value | | | | Details |
| ICV | In-Country Value | | | | Details |
| IDBC | Deep Induction Borehole Corrected | | | | Details |
| IDC | Intangible Drilling Costs | | | | Details |
| IDCS | Integrated Distribution Control System. | | | | Details |
| IDSC | Information and Decision Support Center | | | | Details |
| IEC | International Electrotechnical Commission | | | | Details |
| IECEx | International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres | | | | Details |
| IEOC | International Egyptian Oil Company | | | | Details |
| IEOC | International Egyptian Oil Co., Inc. Egypt | | | | Details |
| IFC | International Finance Corporation | | | | Details |
| IFC | International Finance Corporation World Bank | | | | Details |
| iGOC | Initail Gas Oil Contact | | | | Details |
| IGWC | Initial Gas Water Contact | | | | Details |
| IHC | Inhouse Consulting | | | | Details |
| IHC | Integrated Hydrocarbon for Cased | | | | Details |
| IHCIP | Initial HydroCarbon In Place | | | | Details |
| IHCIP | Initial Hydrocarbons In Place | | | | Details |
| IHRDC | International Human Resources Development Company | | | | Details |
| IHRDC | International Human Resource Development Corporation | | | | Details |
| IIRC | If I recall correctly | | | | Details |
| IJGC | Inter-Jordan Gas Company | | | | Details |
| ILC | Independent Learning Center (PI) | | | | Details |
| ILCLP | IdentLogic Systems Customer Loyalty Program | | | | Details |
| IMBC | Medium Induction Borehole Corrected | | | | Details |
| IMC | Interface Management Center | | | | Details |
| IMCA | International Marine Contractors Association | | | | Details |
| in./sec | inches per second | | | | Details |
| Inact | S | | | | Details |
| Inc | Inclination | | | | Details |
| INC | Iraqi National Congress | | | | Details |
| inc | Inconel Alloys (see comment) | | | | Details |
| INC | Increase | | | | Details |
| inc | increment | | | | Details |
| Inc | Incorporated | | | | Details |
| Inc. | incorporated | | | | Details |
| incd | incandescent | | | | Details |
| INCHES | inch | | | | Details |
| INCIN | incinerator, incineration | | | | Details |
| incl | inclusions | | | | Details |
| INCL | Inclination | | | | Details |
| incl | include(ed)(ing) | | | | Details |
| incl | inclined | | | | Details |
| INCL | Hole inclination | | | | Details |
| Incl, incl | inclusion (-ded) | | | | Details |
| inclined | inclusious | | | | Details |
| INCLR | intercooler | | | | Details |
| incls | inclusions | | | | Details |
| INCM | income(er)(ing) | | | | Details |
| INCO | RIG or RTG Total Incoherence | | | | Details |
| INCR | Incline Report | | | | Details |
| incr | increase (d) (!gg) | | | | Details |
| incr | increase(ed)(ing) | | | | Details |
| incr | increasingly | | | | Details |
| incr | increasing | | | | Details |
| INCRE | Incline Report | | | | Details |
| indic | indicate(s)(tion) | | | | Details |
| INJEC | Injection Falloff Log | | | | Details |
| INOC | Iraq National Oil Company | | | | Details |
| Inoc | Inoceramus | | | | Details |
| INOC | Iraq National Oil Company Iraq | | | | Details |
| INPC | Irish National Petroleum Corp. Ltd. Ireland | | | | Details |
| Intclas, intclas | intraclast (-ic) | | | | Details |
| intclr | intercooler | | | | Details |
| INTCON | interconnection | | | | Details |
| intercal | intercalated | | | | Details |
| Investcorp | Arabian Investment Banking Corporation | | | | Details |
| INV_AMP_MC_25 | Inverse Master Calibration Amplitude | | | | Details |
| IOC | International Oil Company | | | | Details |
| IOC | Indian Oil Corporation, Ltd. | | | | Details |
| IOC | Indian Oil Corporation | | | | Details |
| IOC | Indian Oil Company India | | | | Details |
| IOCA | Independent Oil Compounders Association | | | | Details |
| IOCC | Interstate Oil Compact Commission (became IOGCC in 1991) | | | | Details |
| IOCC | Interstate Oil Compact Commission | | | | Details |
| IOEC | Iranian Offshore Engineering Construction Company | | | | Details |
| IOGCC | Interstate Oil and Gas Compact Commission | | | | Details |
| IOGCC | Interstate Oil & Gas Compact Commission | | | | Details |
| IOOC | Iranian Offshore Oil Company | | | | Details |
| IOPC | Intl. Oil Pollution Compensation (—) | | | | Details |
| IOPPC | International Oil Pollution Prevention Certificate | | | | Details |
| IOTC | Iran Oil Terminals Company | | | | Details |
| IOWC | Initial Oil Water Contact | | | | Details |
| IPAC | Independent Petroleum Association of Canada | | | | Details |
| IPC | Intake Pressure Curve (J curve) | | | | Details |
| IPC | Installed Production Capacity | | | | Details |
| IPC | International Petroleum Corporation | | | | Details |
| IPC | Iraq Petroleum Company | | | | Details |
| IPC | Iranian Petroleum Contract | | | | Details |
| IPC | Integrated Petroleum Contact | | | | Details |
| IPCA | International Petroleum Credit Association | | | | Details |
| IPIC | International Petroleum Investment Company | | | | Details |
| IPIC | International Petroleum Investment Co. UAE | | | | Details |
| IPIECA | International Petroleum Industry Environmental Conservation Association | | | | Details |
| IPIECA | International Petroleum Industry Environmental Conservation Assn.UK | | | | Details |
| IPRTOC | Improved Petroleum Recovery TransOil Corporation | | | | Details |
| IPSC | Integrated Production System Capacity | | | | Details |
| IPSC | Integrated Production System Capacity | | | | Details |
| IPTC | International Petroleum Technology Conference | | | | Details |
| IRBC | Internal Casing Radius | | | | Details |
| IRC | Inspection Release Certificate | | | | Details |
| IRC | i-Recruitment Code | | | | Details |
| IRC | Internal Reserves Committee | | | | Details |
| IRCD | Injection Rate Control Device | | | | Details |
| IRDC | IR Drop along Casing | | | | Details |
| IRGC | Islamic Revolution’s Guards Corps | | | | Details |
| IRITEC | Consortium of Iran International Engineering Company | | | | Details |
| ISC | Integrated Service Contract | | | | Details |
| ISC | In-Situ Combustion | | | | Details |
| ISCC | International Sustainability Carbon Certification | | | | Details |
| ISCWSA | Industry Steering Committee on Wellbore Survey Accuracy | | | | Details |
| ISFCD | ISF Conductivity Log | | | | Details |
| ISM(C) | International Safety Management Code | | | | Details |
| ISO/CKR | isocracker | | | | Details |
| ISONIC | LWD Sonic | | | | Details |
| ISONIC | LWD Sonic Tool | | | | Details |
| ITC | Internal x-mas Tree Cap | | | | Details |
| ITC | Industrial Training Center | | | | Details |
| ITC | investment tax credit | | | | Details |
| ITC | Interagency Testing Committee | | | | Details |
| ITEINC | The estimated error of DTSTE computation | | | | Details |
| ITEINCM | The estimated error of DTMUD computation | | | | Details |
| IUC | Inter University Center (PI) | | | | Details |
| IUHTAUTC | If Used, Half Time ActUally To Count | | | | Details |
| IUPAC | International Union of Pure and Applied Chemistry | | | | Details |
| IVICV | infinitely variable internal control valve | | | | Details |
| IWC | Instantaneous Waveform Characteristics (fracture identification methodology??) | | | | Details |
| IWCF | International Well Control Federation | | | | Details |
| IWCF | International Well Control Forum | | | | Details |
| IWDC | Initial Well Design Criteria | | | | Details |
| IWGC | Initial Water Gas Contact | | | | Details |
| iWOC | Initial Water Oil Contact | | | | Details |
| IWOC | Initial Water Oil Contact | | | | Details |
| IWOCS | Installation / Workover Control System | | | | Details |
| IWRC | Independent wire rope center | | | | Details |
| J/(s.degC.m2) | joule per second per degree celsius per square meter | | | | Details |
| J/s.oC.m2 | GeoFrame legacy unit | | | | Details |
| JAAC | Joint Activities Advisory Sub-Committee | | | | Details |
| JAAC | Joint Activity Advisory Committee | | | | Details |
| jac | jacket | | | | Details |
| Jack | Jackson | | | | Details |
| JC | job complete | | | | Details |
| JCBS | Jordanian Central Bureau of Statistics | | | | Details |
| JCGR | Junk Catcher Gauge Log | | | | Details |
| JCP | Job Competance Profile | | | | Details |
| JCS | Jet Cutters | | | | Details |
| JCS1 | Jet Cutters 1-2-7 /8-in (25-73 mm) Pipe | | | | Details |
| JCS2 | Jet Cutters 3-5-1/2-in (76-140mm) Pipe | | | | Details |
| JCS3 | Jet Cutters 6-7-5/8-in (152-194mm) Pipe | | | | Details |
| jct | junction | | | | Details |
| JCUMWE | Joint Committee on Uniformity of Methods of Water Examination | | | | Details |
| JDC | Japan Drilling Company | | | | Details |
| JDC | Jar Down pulling tool for C Core option | | | | Details |
| JDECO | Jerusalem District Electricity Corporation | | | | Details |
| JEC | Japan Energy Corporation Japan | | | | Details |
| JGC | Japan Gasoline Corporation | | | | Details |
| JICA | Japan International Cooperation Agency|| | Japan International Cooperation Agency | Japan International Cooperation Agency | Agence japonaise de coopération internationale | Details |
| JICA | Japan International Cooperation Agency | | | | Details |
| JMC | Joint Management Commission | | | | Details |
| JMC | Joint Management Committee | | | | Details |
| JNCR | Normalized Casing Resistance J | | | | Details |
| JNOC | Japan National Oil Corporation | | | | Details |
| JNOC | Japan National Oil Corporation Japan | | | | Details |
| JODCO | Japan Oil Development Company | | | | Details |
| JODICO | Jordan Dead Sea Industries Company | | | | Details |
| JPRC | Jordan Petroleum Refinery Company | | | | Details |
| JRC | Joint Research Centre | | | | Details |
| JRCO | Contact Resistance J | | | | Details |
| JRCTM | Jet Research Center | | | | Details |
| JSMC | joule per second per degree celsius per square meter | | | | Details |
| JTC | Jordanian Telecommunications Corporation | | | | Details |
| JUC | Jar Up pulling tool for C Core option (Slickline tools) | | | | Details |
| JUPC | Jubail United Petrochemical Co. Saudi Arabia | | | | Details |
| K/C2 | kilogram per square centimeter | | | | Details |
| K2CP | kilopascal squared per centipoise | | | | Details |
| K2KC | kilopascal squared per thousand centipoise | | | | Details |
| KAC | Kuwait Airways Corporation | | | | Details |
| KAFCO | Kuwait Aviation Fuelling Company | | | | Details |
| KAFCO | Kuwait Aviation Fueling Co. KSC Kuwait | | | | Details |
| KC | Kansas City | | | | Details |
| kc | kilocycle | | | | Details |
| kC | kilocoulomb | | | | Details |
| KC2H | kilogram per square centimeter per hour | | | | Details |
| KC2M | (kilogram per square centimeter) per meter | | | | Details |
| kcal | kilocalorie | | | | Details |
| kcal/(h.degC.m2) | kilocalorie per hour per degree celsius per square meter | | | | Details |
| kcal/h.oC.m2 | GeoFrame legacy unit | | | | Details |
| KCC | Kuwait Catalyst Company | | | | Details |
| kcd | kilocandela | | | | Details |
| KCl | potassium chloride salt | | | | Details |
| KCMR | Permeability from CMR | | | | Details |
| KCMR_SL | Permeability from CMR - Station Log | | | | Details |
| KCOOH | potassium formate | | | | Details |
| KCS | Kazakstan Caspiishelf | | | | Details |
| KCS | Kazakhstancaspishelf Joint Stock Co. Kazakhstan | | | | Details |
| KEPCO | Khazar Exploration and Production Company | | | | Details |
| KERMAC | Kerr-McGee Corp. | | | | Details |
| KFTCIC | Kuwait Foreign Trading, Contracting and Investment Company | | | | Details |
| kg-cal | kilogram-calorie | | | | Details |
| kgf/(cm2.h) | kilogram per square centimeter per hour | | | | Details |
| kgf/cm2 | kilogram per square centimeter | | | | Details |
| kgf/cm2.h | GeoFrame legacy unit | | | | Details |
| KHMC | kilocalorie per hour per degree celsius per square meter | | | | Details |
| KHPC | Khorasan Petrochemical Company | | | | Details |
| KIC | Kuwait Investment Company | | | | Details |
| KICA | ECS Potassium-Calcium Interference | | | | Details |
| KIPCE | Kuwait International Petroleum Conference and Exhibition | | | | Details |
| KIPCO | Kuwait Investments Projects Company | | | | Details |
| Kl-Packer | Klappen-Packer | | | | Details |
| KMC | cargo refrigerating system | | | | Details |
| KMOC | Khanty Mansiysk Oil Corp.Siberia, Russia | | | | Details |
| KNCR | Normalized Casing Resistance K | | | | Details |
| KNOC | Korean National Oil Corporation Korea | | | | Details |
| KNPC | Kuwait National Petroleum Company | | | | Details |
| KNPC | Kuwait National Petroleum Co. KSC Kuwait | | | | Details |
| KOC | Kuwait Oil Company | | | | Details |
| KOC | Kuwait Oil Company KSC Kuwait | | | | Details |
| KostRechKreis | Kostenrechnungskreis | | | | Details |
| KOTC | Kuwait Oil Tanker Company | | | | Details |
| KOTC | Kuwait Oil Tanker Co. Kuwait | | | | Details |
| kPa2/cP | kilopascal squared per thousand centipoise | | | | Details |
| kPa2/cP | kilopascal squared per centipoise | | | | Details |
| KPC | Kuwait Petroleum Corporation | | | | Details |
| KPC | Kuwait Petroleum Corp. Kuwait | | | | Details |
| KPC | Khalda Petroleum Company Egypt/Spain | | | | Details |
| KRCO | Contact Resistance K | | | | Details |
| KREIC | Kuwait Real Estate Investment Consortium | | | | Details |
| KROC | Knobly Rocks | | | | Details |
| KSCF | Thousands Standard Cubic Feet (MSCF) | | | | Details |
| KSCF/BBL | Thousands Standard Cubic Feet per Barrel | | | | Details |
| KSCF/STB | Thousands Standard Cubic Feet per Barrel | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Company | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Co. KSC Kuwait | | | | Details |
| KYC | Know Your Customer | | | | Details |
| L/Cret | Lower Cretaceous | | | | Details |
| lac | lacustrine | | | | Details |
| LACK | Percentage of Lacking Metal | | | | Details |
| LACT | Lease Automatic Custody Transfer | | | | Details |
| LACT | lease automatic custody transfer unit A calibrated measurement device used as an official sales point for crude oil transfer into a second party pipeline | | | | Details |
| LACTI | Lead, Accountable, Consult, Tasked, Informed | | | | Details |
| LAIC | Libyan Arab Investment Company | | | | Details |
| Lapco | Lavan Petroleum Company | | | | Details |
| latc | lateritic | | | | Details |
| LAYCAN | LAYday CANcelling date | | | | Details |
| LBC | Lohrenz-Bray-Clark | | | | Details |
| LBC0 | Bubble Count Holdup | | | | Details |
| LBC0_DL | Bubble Count Holdup | | | | Details |
| LBC1 | Bubble Count Holdup | | | | Details |
| LBC1_DL | Bubble Count Holdup | | | | Details |
| LBC2 | Bubble Count Holdup | | | | Details |
| LBC2_DL | Bubble Count Holdup | | | | Details |
| LBC3 | Bubble Count Holdup | | | | Details |
| LBC3_DL | Bubble Count Holdup | | | | Details |
| LBC4 | Bubble Count Holdup | | | | Details |
| LBC4_DL | Bubble Count Holdup | | | | Details |
| LBC5 | Bubble Count Holdup | | | | Details |
| LBC5_DL | Bubble Count Holdup | | | | Details |
| LC | Low Case | | | | Details |
| LC | Lower Completion | | | | Details |
| LC | Level Controller | | | | Details |
| LC | Loading Capacity | | | | Details |
| LC | LostCone | | | | Details |
| LC | Letter of Credit | | | | Details |
| LC | SAINT LUCIA | | | | Details |
| LC | lease crude | | | | Details |
| LC | long coupling | | | | Details |
| LC | lost circulation | | | | Details |
| LC | lower casing | | | | Details |
| LC | lug cover type(5-gallon can) | | | | Details |
| LC01 | Local Computation 1 | | | | Details |
| LC02 | Local Computation 2 | | | | Details |
| LC03 | Local Computation 3 | | | | Details |
| LC04 | Local Computation 4 | | | | Details |
| LC05 | Local Computation 5 | | | | Details |
| LC06 | Local Computation 6 | | | | Details |
| LC07 | Local Computation 7 | | | | Details |
| LC08 | Local Computation 8 | | | | Details |
| LC09 | Local Computation 9 | | | | Details |
| LC10 | Local Computation 10 | | | | Details |
| LC11 | Local Computation 11 | | | | Details |
| LC12 | Local Computation 12 | | | | Details |
| LC13 | Local Computation 13 | | | | Details |
| LC14 | Local Computation 14 | | | | Details |
| LC15 | Local Computation 15 | | | | Details |
| LC16 | Local Computation 16 | | | | Details |
| LC17 | Local Computation 17 | | | | Details |
| LC18 | Local Computation 18 | | | | Details |
| LC19 | Local Computation 19 | | | | Details |
| LC20 | Local Computation 20 | | | | Details |
| LC21 | Local Computation 21 | | | | Details |
| LC22 | Local Computation 22 | | | | Details |
| LC23 | Local Computation 23 | | | | Details |
| LC24 | Local Computation 24 | | | | Details |
| LC25 | Local Computation 25 | | | | Details |
| LC26 | Local Computation 26 | | | | Details |
| LC27 | Local Computation 27 | | | | Details |
| LC28 | Local Computation 28 | | | | Details |
| LC29 | Local Computation 29 | | | | Details |
| LC30 | Local Computation 30 | | | | Details |
| LC31 | Local Computation 31 | | | | Details |
| LC32 | Local Computation 32 | | | | Details |
| LC33 | Local Computation 33 | | | | Details |
| LC34 | Local Computation 34 | | | | Details |
| LC35 | Local Computation 35 | | | | Details |
| LC36 | Local Computation 36 | | | | Details |
| LC37 | Local Computation 37 | | | | Details |
| LC38 | Local Computation 38 | | | | Details |
| LC39 | Local Computation 39 | | | | Details |
| LC40 | Local Computation 40 | | | | Details |
| LCA | SAINT LUCIA | | | | Details |
| LCA | leakoff control acid | | | | Details |
| LCA | life-cycle assessment | | | | Details |
| LCAL | LDS Caliper | | | | Details |
| LCB | Low Carbon Business | | | | Details |
| LCC | Lowest Closed Contour (it is a contour line which is just above the spill point) | | | | Details |
| LCC | Life Cycle Cost | | | | Details |
| LCC | Lambert Conformal Conic | | | | Details |
| LCC | Logging Company Code | | | | Details |
| LCCD | SPST Lower Chamber Current Depth | | | | Details |
| LCCL | Low CCL | | | | Details |
| LCF | low cycle fatigue|| | low cycle fatigue | LCF | fatigue oligocyclique | Details |
| LCF | Latest Cost Factor | | | | Details |
| LCF | low cycle fatigue | | | | Details |
| LCF | Lump Cutoff Flag | | | | Details |
| LCF2 | pound per hundred square feet | | | | Details |
| LCGF | Seismic Low Cut Geophone Filter | | | | Details |
| LCGO | light coker gas oil | | | | Details |
| lchd | leached | | | | Details |
| LCI | SPST Lower Chamber Indicator | | | | Details |
| LCIX | Localized Corrosion Index X | | | | Details |
| LCIY | Localized Corrosion Index Y | | | | Details |
| LCIZ | Localized Corrosion Index Z | | | | Details |
| LCL | less-than carload lot | | | | Details |
| LCL | local | | | | Details |
| LCM | Lost Circulation Material | | | | Details |
| LCM | lost circulation materials | | | | Details |
| LCNLG | LDT CNL Gamma Ray Log | | | | Details |
| LCO | Light Crude Oil | | | | Details |
| LCOc1 | Light Crude Oil contract (future contract) | | | | Details |
| LCOE | levelized cost of electricity | | | | Details |
| LCP | leakage in closed position | | | | Details |
| LCP | local control panel | | | | Details |
| LCP | lug cover with pour spout | | | | Details |
| LCP | SPST Lower Chamber Pressure | | | | Details |
| LCPF | Continuous Phase Flag | | | | Details |
| LCPF_DL | Continuous Phase Flag | | | | Details |
| LCQR | HRDD Crystal Quality resolution from Long | | | | Details |
| LCR | Lowest Current Rate | | | | Details |
| LCR | Lowest Conductivity Reading Per 1/2 FT | | | | Details |
| LCR | Local Control Room | | | | Details |
| LCRA | Centralizer Radius | | | | Details |
| LCRA_DL | Centralizer Radius | | | | Details |
| LCRX | RX Raw | | | | Details |
| LCRY | RY Raw | | | | Details |
| LCRZ | RZ Raw | | | | Details |
| LCSW_SLDT | SLDT Long Spacing Composite Status Word | | | | Details |
| LCTD | last crystal to dissolve | | | | Details |
| LCUT | Cutoff Flag for Output SDF (LUMP) | | | | Details |
| LCV | Liquid Control Valve | | | | Details |
| LCV | Level Control Valve (like the actuator on the separator) | | | | Details |
| LCV | level control valve | | | | Details |
| LDC | local distribution companies | | | | Details |
| LDC | laid-down cost | | | | Details |
| LDC | local distribution company | | | | Details |
| LDCA | LINC Downhole Coupler Assembly | | | | Details |
| LDCG | Casing Groningen Corrected Deep | | | | Details |
| LDCL | LDS Long-Spaced Control Loop Controller | | | | Details |
| LDCS | LDS Short-Spaced Control Loop Controller | | | | Details |
| LDCX | lead drill collar | | | | Details |
| LDDCs | laid(laying) down drill collars | | | | Details |
| LDQC | LDS Density Quality Indicator | | | | Details |
| Le C | Le Comptom | | | | Details |
| LGSC | Liquified Gas Shipping Co. Abu Dhabi | | | | Details |
| LHC | Liquid Hydrocarbon | | | | Details |
| LHCG | Casing Groningen Corrected High | | | | Details |
| LHCIP | Liquid Hydrocarbon In Place | | | | Details |
| LHCOIP | Liquid Hydrocarbon Originally In Place | | | | Details |
| LHRC_SLDT | SLDT Long Spacing HV Reference Channel | | | | Details |
| LIC | level indicator controller | | | | Details |
| lic | license | | | | Details |
| LICD | Lybyrinth ICD | | | | Details |
| LINC | Latched Inductive Coupling (SLB data Acquisition) | | | | Details |
| LINCO | Liner and Completion Progress Report | | | | Details |
| linkClarke | Link (Clarke) | | | | Details |
| lithic | lithographic | | | | Details |
| LKHC | Lowest-Known Hydrocarbons | | | | Details |
| LLC | Limited Liability Company | | | | Details |
| LLC | liquid level controller | | | | Details |
| LLCH | Corrected High Resolution Resistivity | | | | Details |
| LLCL | Lower Limit of Clay | | | | Details |
| LLCU | APS Measured Load Leveler Voltage | | | | Details |
| LLDC | Corrected Laterolog Deep Resistivity | | | | Details |
| LLHC | High Resolution Conductivity | | | | Details |
| LLSC | Corrected Laterolog Shallow Resistivity | | | | Details |
| LNCR | Normalized Casing Resistance L | | | | Details |
| LNGC | LNG Carrier | | | | Details |
| LOC | Limiting oxygen concentration (see comment) | | | | Details |
| loc | location | | | | Details |
| loc | located, location | | | | Details |
| loc | abnd location abandoned | | | | Details |
| loc | gr location graded | | | | Details |
| loc | Location | | | | Details |
| loc | local | | | | Details |
| Lock | a mechanism to hold a plug in a profile | | | | Details |
| LOPC | Loss of Primary Containment | | | | Details |
| LPC | Liquid Production Cumulative | | | | Details |
| LQCL | Log Quality Control in Americium Lower | | | | Details |
| LQCRM | Log Quality Control Reference Manual | | | | Details |
| LQCU | Log Quality Control in Americium Upper | | | | Details |
| LQHC | Low quality hydrocarbons (i.e., tar sands and oil shale) | | | | Details |
| LRC | level recorder controller | | | | Details |
| LRC | Linear Responsibility Chart | | | | Details |
| LRCO | Contact Resistance L | | | | Details |
| LRMC | Long Run Marginal Cost|| | Long Run Marginal Cost | Long Run Marginal Cost | Long Run coût marginal | Details |
| LRMC | Long Run Marginal Cost | | | | Details |
| LRTC | LINC Running Tool Cartridge (SLB data Acquisition) | | | | Details |
| LSC | Low Shear Coil | | | | Details |
| LSCC | LDS Long-Spaced Channel Control Word | | | | Details |
| LSCI | LINC Surface Computer Interface (SLB data Acquisition) | | | | Details |
| LSCP | LDS Long-Spaced Cesium Peak Location | | | | Details |
| LSCP_SLDT | Long Spacing Compensated Pulses | | | | Details |
| LSCS | LDS Long-Spaced Board Counter SLM Status | | | | Details |
| LSDC | Long Spacing Dead Time Clock | | | | Details |
| LT&C | long thread and coupled, a connection description | | | | Details |
| LT&C | long threads and coupling | | | | Details |
| LT/cd | long tons of sulfur per calendar day | | | | Details |
| LTC | Lost Time Case | | | | Details |
| LTC | Long Thread Coupling | | | | Details |
| LTC | long thread and coupled, a connection description | | | | Details |
| LTC | long threads and coupling | | | | Details |
| LTCS | Low Temperature Carbon Steel | | | | Details |
| LTCS | Low temperature Carbon Steel | | | | Details |
| LTCW | Long Term Capacity Workshop | | | | Details |
| LWC | Lost Work Day (HSE KPI, see comment) | | | | Details |
| LWC | Lost Workday Case | | | | Details |
| LWC | Loss of Well Control | | | | Details |
| LWDC | Lost Work Day Case | | | | Details |
| M&C | Material & Corrosion | | | | Details |
| M/C | Mill Casing | | | | Details |
| M/C3 | milliequivalent per cubic centimeter | | | | Details |
| m3.s/(d.c) | (cubic meter per day) per (cycle per second) | | | | Details |
| m3.s/(h.c) | (cubic meter per hour) per (cycle per second) | | | | Details |
| m3.s/(s.c) | (cubic meter per second) per (cycle per second) | | | | Details |
| m3/(kg.cm2) | cubic meter per kilogram per square centimeter | | | | Details |
| m3/c | cubic meter per revolution | | | | Details |
| m3/kg.cm2 | GeoFrame legacy unit | | | | Details |
| M3KC | cubic meter per kilogram per square centimeter | | | | Details |
| mA/cm2 | milliampere per square centimeter | | | | Details |
| MAC | Multipole Acoustic Log | | | | Details |
| MAC | Multipole Array Acoustilog | | | | Details |
| MAC | MACAU | | | | Details |
| MAC | medium amber cut | | | | Details |
| MAC | Minimum allowable clearance | | | | Details |
| MAC | Acoustilog | | | | Details |
| MAC | Main Automation Contractor | | | | Details |
| MAC | Marginal Abatement Cost (Curves) | | | | Details |
| MAC | Marginal Abatement Cost | | | | Details |
| MAC2 | Multipole Array Acoustilog | | | | Details |
| MAC2 | milliampere per square centimeter | | | | Details |
| MAC2 | Acoustilog | | | | Details |
| MACC | Microscopic analysis of core and cuttings | | | | Details |
| MACC | Marginal Abatement Cost Curves | | | | Details |
| mach | machine | | | | Details |
| Mack | Mackhank | | | | Details |
| MACL | Multiarm Caliper Log | | | | Details |
| Macrofos | macrofossil | | | | Details |
| MACT | Multi-Arm Caliper Tool | | | | Details |
| MACT | Maximum Achievable Control Technology | | | | Details |
| MARC | RST Minitron Arcs Detected | | | | Details |
| March | Marchand | | | | Details |
| Marg. coco. | Marginulina coco | | | | Details |
| MARICONSULT | Technical support to Transmed Algeria | | | | Details |
| MAXC | Maximum Caliper Radius | | | | Details |
| MBC | Thousand Barrels Condensate | | | | Details |
| MBC/D | Thousand Barrels Condensate per day | | | | Details |
| MBC1 | MS_1 Bottle Valve Command Echo | | | | Details |
| MBC1_DL | MRMS 1 Bottle Valve Command Echo | | | | Details |
| MBC2 | MRMS 2 Bottle Valve Command Echo | | | | Details |
| MBC2_DL | MRMS 2 Bottle Valve Command Echo | | | | Details |
| MC | Management Committee | | | | Details |
| MC | MACAU | | | | Details |
| MC | MONACO | | | | Details |
| mc | Metric Cube | | | | Details |
| MC | mud cut | | | | Details |
| mc | megacycle | | | | Details |
| MC | mud cake | | | | Details |
| MC | Member Country | | | | Details |
| mC | millicoulomb | | | | Details |
| MC | Material Controller | Materialverantwortlicher | | | Details |
| MC | multi-contact | | | | Details |
| MC | Monte Carlo Simulation | | | | Details |
| MC | Material & Corrosion | | | | Details |
| MC ls | Moore County lime | | | | Details |
| MC1 | Micro Smart MG 124 | | | | Details |
| MC2 | Micro Smart MG 173 | | | | Details |
| MC3 | Micro Smart MG 204 | | | | Details |
| MCA | mud cut acid | | | | Details |
| MCA | mud cleanout agent | | | | Details |
| MCA | mud-cut acid | | | | Details |
| MCAL | Microlog Caliper | | | | Details |
| MCAL | MLT (Microlog) Caliper | | | | Details |
| MCB | master circuit board | | | | Details |
| MCC | Motor Control Center | | | | Details |
| McC | McClosky lime | | | | Details |
| MCC | Multilayer Composite Centralizer | | | | Details |
| McCul | McCullough | | | | Details |
| MCD | Mudcap Drilling | | | | Details |
| MCD | Mechanical Completion Dossier | | | | Details |
| MCD | Mechanical Caliper Device | | | | Details |
| MCD | Medium Casing Design | | | | Details |
| McEl | McElroy | | | | Details |
| mcf | 1000 Cubic Feet | | | | Details |
| Mcf | thousand cubic feet of natural gas | | | | Details |
| Mcf | thousand cubic feet | | | | Details |
| MCF | Measurement for Natural Gas | | | | Details |
| MCF/d | thousand cubic feet per day | | | | Details |
| Mcfd | thousand cubic feet per day | | | | Details |
| Mcfe | thousand cubic feet of natural gas equivalent | | | | Details |
| MCFGPD | thousand cubic feet of gas per day | | | | Details |
| MCFL | Micro-Cylindrically Focused Log | | | | Details |
| MCFL | Micro-Cylindrically Focused Logging Device | | | | Details |
| MCFPD | One Thousand Cubic Feet of Gas Per Day | | | | Details |
| MCG | Compact Comms Gamma (see comment!) | | | | Details |
| MCG | Compact Gamma | | | | Details |
| MCG | mud-cut gas | | | | Details |
| MCGR | HNGS (HCGR - SCGR) | | | | Details |
| MCHE | Main Cryogenic Heat Exchanger | | | | Details |
| mchsm | mechanism | | | | Details |
| MCI | Materials, Corrosion, and Integrity | | | | Details |
| mCi | millicurie | | | | Details |
| McK | McKee | | | | Details |
| McL | McLish | | | | Details |
| MCM | Management Committee Meeting | | | | Details |
| MCM | Manifold Choke Module | | | | Details |
| MCM | Monthly Coordination Meeting (between the Fields and Asset Teams) | | | | Details |
| MCM | Million Cubic Meter | | | | Details |
| MCM | multi-contact miscibility | | | | Details |
| MCM/d | Million Cubic Meter per day | | | | Details |
| MCMC | Markov Chain Monte Carlo | | | | Details |
| McMill | McMillan | | | | Details |
| MCO | MONACO | | | | Details |
| MCO | mud cut oil | | | | Details |
| MCO | mud-cut oil | | | | Details |
| MCP | maximum casing pressure | | | | Details |
| MCP | Metal-complexed polymers | | | | Details |
| MCP | Major Capital Project(s) | | | | Details |
| MCP | MEST Closing Pressure | | | | Details |
| MCPS | Metal-complexed polymer systems | | | | Details |
| MCPS | Magnetic Clamper Position Status | | | | Details |
| MCR | Manpower Change Request | | | | Details |
| MCR | Mid Country Refinery | | | | Details |
| mcr-x | microcrystalline | | | | Details |
| MCS | Manifold & Connection System | | | | Details |
| MCS | Master Control Station | | | | Details |
| MCs | Member Countries | | | | Details |
| MCS | Monte Carlo simulations | | | | Details |
| MCS | Monte Carlo Simulation | | | | Details |
| MCSS | Mud Cake Sample Source | | | | Details |
| MCST | Mud Cake Sample Temperature | | | | Details |
| MCSW | mud cut salt water | | | | Details |
| MCSW | mud-cut salt water | | | | Details |
| MCSW_SLDT | SLDT Middle Spacing Composite Status Word | | | | Details |
| MCT | computer-processed interpretation | | | | Details |
| MCT | Computer Processed Interpretation | | | | Details |
| MCT | Synergetic Log Systems | | | | Details |
| MCUGP | Milled Casing Underreamed Gravel Pack | | | | Details |
| MCVL | Multicycle Circuating Valve with Lock module (see comment!) | | | | Details |
| MCW | mud cut water | | | | Details |
| MCW | mud-cut water | | | | Details |
| mD.ft/cP | millidarcy-foot per centipoise | | | | Details |
| mD.m/cP | millidarcy-meter per centipoise | | | | Details |
| mD/cP | millidarcy per centipoise | | | | Details |
| MDC | Message Distribution Center | | | | Details |
| MDC | Monel drill collars | | | | Details |
| MDC | Management Development Committee | | | | Details |
| MDCP | millidarcy per centipoise | | | | Details |
| MDEC | Magnetic Declination | | | | Details |
| MDFC | millidarcy-foot per centipoise | | | | Details |
| MDMC | millidarcy-meter per centipoise | | | | Details |
| MDTC | Multi-Disciplinary Training Course | | | | Details |
| MEC | Monitoring and Evaluation Committee | | | | Details |
| MEC | Middle East Caspian | | | | Details |
| MEC | Middle East & Caspian | | | | Details |
| MEC | MEST EMEX CURRENT | | | | Details |
| MECE | Mutually Exclusive, Collectively Exhaustive | | | | Details |
| MECG | Middle East Capital Group | | | | Details |
| mech | mechanic(al), mechanism | | | | Details |
| Mech | DT mechanical down time | | | | Details |
| MeCl | methylene chloride | | | | Details |
| MECP | Mechanical External Casing Packer | | | | Details |
| MEDCO | Mediterranean Oil Shipping & Transport Co. SAL Lebanon | | | | Details |
| Medevac | Medical Evacuation (type of a drill that simulates the man-down situation) | | | | Details |
| MEDEVAC | Medical Emergency Evacuation | | | | Details |
| MEDIVAC | Medical Evacuation (type of a drill that simulates the man-down situation) | | | | Details |
| MEEC | Middle East Energy Club | | | | Details |
| meq/cm3 | milliequivalent per cubic centimeter | | | | Details |
| merc | mercury | | | | Details |
| mercap | mercaptan | | | | Details |
| MERCR | Mercury Injection Study Report | | | | Details |
| METER_FACTOR | Meter factor for surface liquid flowmeters None | | | | Details |
| meth-cl | methyl chloride | | | | Details |
| MFC | Multi-Finger Caliper | | | | Details |
| MFC | Multifinger Caliper Log | | | | Details |
| MFCMP | minimum first-contact miscibility pressure | | | | Details |
| MFCR | Maximum Field Capacity Rate | | | | Details |
| MFCR | Maximum Field Capacity Rate (less than MFPTR & more than FTR, not respecting the SHs & RM guidlines in Safe operating limits (=all well potentials (only Active))) | | | | Details |
| MFCT | Multifinger Caliper Tool | | | | Details |
| MFCT | multi-finger caliper tool | | | | Details |
| MFCT | Multifinger Caliper Log | | | | Details |
| Mft3/acre | GeoFrame legacy unit | | | | Details |
| Mft3/acre.ft | GeoFrame legacy unit | | | | Details |
| mg/dscm | milligrams per dry standard cubic meter | | | | Details |
| MHRC_SLDT | SLDT Middle Spacing HV Reference Channel | | | | Details |
| MIC | Microbiologically Influenced Corrosion | | | | Details |
| MIC | Microbial Stress Cracking (see comment) | | | | Details |
| mic | micro | | | | Details |
| MIC | Market Identifier Code | | | | Details |
| MIC | Micro | | | | Details |
| MIC | Microbiologically Influenced Corrosion | | | | Details |
| mic | micro | | | | Details |
| Mic, mic | mica (-iceous) | | | | Details |
| Mica | a silica mineral, often present as ultra thin flakes and sometimes mobile | | | | Details |
| mica | micaceous | | | | Details |
| mica | mica, micaceous | | | | Details |
| micgr | micrograined | | | | Details |
| MICL | Micro | | | | Details |
| MICL | Micro Log | | | | Details |
| MICL | Microlog | | | | Details |
| MICLOG | Microlog | | | | Details |
| micmica | micromicaceous | | | | Details |
| MICP | Mercury Injection Capillary Pressure | | | | Details |
| MICR | moving in completion rig | | | | Details |
| Micr, micr | micrite (-ic) | | | | Details |
| micro-xin | microcrystalline | | | | Details |
| microfos | microfossil | | | | Details |
| Microol | micro-oolite | | | | Details |
| micropor | micropore (-osity) | | | | Details |
| microsec | microsecond | | | | Details |
| MICROSECOND | microsecond | | | | Details |
| MICROSECONDS | microsecond | | | | Details |
| Microstyl | microstylolite | | | | Details |
| microxln | microcrystalline | | | | Details |
| MICS | Microsurvey | | | | Details |
| MICT | moved (ing) in cable tools. completion | | | | Details |
| MICT | moving in cable tools | | | | Details |
| MICU | moving in completion unit | | | | Details |
| micxl | microcrystalline | | | | Details |
| MILLIDARCY | millidarcy | | | | Details |
| MILLISECOND | millisecond | | | | Details |
| MILLISECONDS | millisecond | | | | Details |
| MINC | Minimum Caliper Radius | | | | Details |
| MISC | Malaysia International Shipping Company | | | | Details |
| misc | miscellaneous | | | | Details |
| MISC | Miscellaneous | | | | Details |
| MKC2 | (cubic meter) per (kilogram per square centimeter) | | | | Details |
| ML/CAL | Minilog Caliper | | | | Details |
| ML/CAL/GR | Minilog Caliper Gamma Ray | | | | Details |
| MLC | Microlog Calliper | | | | Details |
| MLL/CAL | Microlaterolog-Caliper | | | | Details |
| MMBC | Million Barrels Condensate | | | | Details |
| MMBC/D | Million Barrels Condensate per day | | | | Details |
| MMBtu/scf | million British thermal units per standard cubic foot | | | | Details |
| MMC | Ministerial Monitoring Committee | | | | Details |
| MMcf | million cubic feet (of natural gas) | | | | Details |
| MMcf | million standard feet of gas | | | | Details |
| MMcf | million cubic feet | | | | Details |
| MMcf/cd | million cubic feet per calendar day | | | | Details |
| MMcf/d | million cubic feet per day | | | | Details |
| MMcfd | million cubic feet per day | | | | Details |
| MMCFD | One Million Cubic Feet of Gas Per Day | | | | Details |
| MMcfe | million cubic feet (of natural gas equivalent) | | | | Details |
| MMCFG | Million Cubic feet of gas | | | | Details |
| MMCFG/d | Million Cubic feet of gas per day | | | | Details |
| MMCM | Million Cubic Meter | | | | Details |
| MMHC | millimho per centimeter | | | | Details |
| MMPFC | minimum first-contact miscibility pressure | | | | Details |
| MMSCF | Million Standard Cubic Foot | | | | Details |
| MMscf | Million Standard Cubic Feet | | | | Details |
| MMSCF | Million Standard CubicFeet | | | | Details |
| MMscf/cd | million standard cubic feet per calendar day | | | | Details |
| MMSCF/d | GeoFrame legacy unit | | | | Details |
| mmscfd | million standard cubic feet per day | | | | Details |
| MMSCMD | Million Standard Cubic Meter Per Day | | | | Details |
| MNCR | Normalized Casing Resistance M | | | | Details |
| MNCS | Minimum Compressive Strength | | | | Details |
| MOC | Management Of Change | | | | Details |
| MOC | Maintenance of Certification | | | | Details |
| MOC | Minimum oxygen concentration (see LOC) | | | | Details |
| MOC | management of change – a process to understand all the implications of a change to a procedure | | | | Details |
| MOC | ACOR Distrubuidora de Cumbustiveis S.A. Mozambique | | | | Details |
| MOC | Motor Current | | | | Details |
| MOC | Microsoft Office Communicator | | | | Details |
| MOC | Material of construction | | | | Details |
| MOCL | Mobil Oil Co. Ltd.UK | | | | Details |
| MOCT | moving (ed) off cable tools. Completion tools, completion unit | | | | Details |
| MOCT | moving out(off ) cable tools | | | | Details |
| MOCU | moving out completion unit | | | | Details |
| MODEC | Mitsui Ocean Development & Engineering Co., Ltd. Japan | | | | Details |
| Molch | pig | scraper, go-devil | | | Details |
| MOLCHOP | More Or Less CHarterers OPtion | | | | Details |
| Molchschleuse | Scraper trap | | | | Details |
| MPC | Misr Petroleum CompanyEgypt | | | | Details |
| MPC | Maximum Production Capacity | | | | Details |
| MPC | marginal propensity to consume | | | | Details |
| MPC | Mineral Proportion Calc | | | | Details |
| MPC | Mechanical Pipe Cutter | | | | Details |
| MPDC | Mitsubishi Petroleum Development Co. Ltd. Japan | | | | Details |
| MPGC | Middle East Petroleum and Gas Conference | | | | Details |
| MPSC | Model Production Sharing Contract | | | | Details |
| MPSC | Michigan Public Service Commission | | | | Details |
| MPSC | Maximum Production System Capacity | | | | Details |
| MQC | Multi Quick Connection Plate | | | | Details |
| MRC | Maximum Reservoir Contact | | | | Details |
| MRC | maximum reservoir contact (well) | | | | Details |
| MRC | Modified Reference Case | | | | Details |
| MRCF | MDT - Flow Control Module | | | | Details |
| MRCO | Contact Resistance M | | | | Details |
| MRCV | Multi Reverse Circulating Valve | | | | Details |
| MRFC | Magnetic Resonance Fluid characterization | | | | Details |
| MRPC | MDT - Power Cartridge in MDT converting AC to DC | | | | Details |
| MRPC | MDT Power Cartridge | | | | Details |
| MRSC | MDT - Modular Sample Chamber (conventional 1 or 2 3/4 gallon sample chambers_ NOT PVT) | | | | Details |
| MRSC | Modular Formation Dynamics Tester Sample Chamber | | | | Details |
| MSC | Maximum Sustainable Capacity | | | | Details |
| MSc | Master of Science | | | | Details |
| MSC | Multi Sensor Caliper | | | | Details |
| MSC | mapping subcommittee | | | | Details |
| Mscf | thousand standard cubic feet | | | | Details |
| Mscf/d | thousand standard cubic feet per day | | | | Details |
| MSCF/d | GeoFrame legacy unit | | | | Details |
| Mscf/h | thousand standard cubic feet per hour | | | | Details |
| MSCP_SLDT | Middle Spacing Compensated Pulses | | | | Details |
| MSCT | Mechanical Sidewall Coring Tool | | | | Details |
| MSCT | MSCT Gamma Ray Log | | | | Details |
| MSCT | Mechanical Sidewalk Coring or Rotary Cores | | | | Details |
| MSCT | Mechanical Sidewall Coring Tool | | | | Details |
| MSEC | millisecond | | | | Details |
| MSFC | Borehole-Corrected MSFL | | | | Details |
| MSG-CBL | Micro-Seismogram Log, Cased Hole | | | | Details |
| MSG-CBL-G | Micro-Seismogram Gamma Collar | | | | Details |
| MSG-CBL-N | Micro-Seismogram Neutron Collar | | | | Details |
| MSIPC | Multi Stage inflatable Packer Collar | | | | Details |
| MSR-Technik | Messen, Steuern, Regeln technik | process of measuring and control technology | | | Details |
| MSWC | Mechanical Side Wall Core | | | | Details |
| mT/cm | gauss per centimeter | | | | Details |
| MTC | Mass Transport Complex (Subsea) | | | | Details |
| MTC | Compact Two Arm Caliper (see comment!) | | | | Details |
| MTC | Mobile Telecommunications Company | | | | Details |
| MTC | Medical Treatment Case (see somment) | | | | Details |
| MTC | Mill Test Certificate | | | | Details |
| MTC | Medical Treatment Cases | | | | Details |
| MTC | Compact Two Arm Caliper | | | | Details |
| MTC | Medical Treatment Case | | | | Details |
| musc | muscovite | | | | Details |
| MUSC | Muscovite | | | | Details |
| mvc | mechanical vapor compression | | | | Details |
| MWC | Managerial Working Capital | | | | Details |
| MWCP | Max Well Control Pressure | | | | Details |
| MXCS | Maximum Compressive Strength | | | | Details |
| N1C | RST Near Inelastic Carbon Relative Yield | | | | Details |
| N1CA | RST Near Inelastic Calcium Relative Yield | | | | Details |
| N1CA_SIG | RST Near Inelastic Calcium Relative Yield | | | | Details |
| N1C_SIG | RST Near Inelastic Carbon Relative Yield | | | | Details |
| N2CA | RST Near IC Capture Calcium Relative Yield Calcium_Yield | | | | Details |
| N2CA_SIG | RST Near IC Capture Calcium Relative Yield Uncertainty | | | | Details |
| N2CL | RST Near IC Capture Chlorine Relative | | | | Details |
| N2CL_SIG | RST Near IC Capture Chlorine Relative | | | | Details |
| Nac | Nacotoch | | | | Details |
| nac | nacreous | | | | Details |
| NAC1 | Normalized Averaged Channel 1 | | | | Details |
| NAC2 | Normalized Averaged Channel 2 | | | | Details |
| NAC3 | Normalized Averaged Channel 3 | | | | Details |
| NAC4 | Normalized Averaged Channel 4 | | | | Details |
| NACD | National Association of Chemical Distributors | | | | Details |
| NACE | National Association of Corrosion Engineers | | | | Details |
| NACE | National Association of Corrosion | | | | Details |
| NaCl | Sodium Chloride (table salt) | | | | Details |
| NaCl | sodium chloride salt Halite | | | | Details |
| NaCL | sodium chloride | | | | Details |
| NaCO3 | sodium carbonate | | | | Details |
| NACOPS | National Advisory Committee on Petroleum Statistics (Canada) | | | | Details |
| NACR | National Association of Chemical Recyclers | | | | Details |
| NACS | NPLC Neutron Acquisition Control Status | | | | Details |
| NAESCO | National Association of Energy Services Companies | | | | Details |
| NAFTEC | Refining subsidiary of SONATRACH Algeria | | | | Details |
| NAMCOR | National Petroleum Corp. of Namibia Namibia | | | | Details |
| NAOC | North Aspheron Operating Company | | | | Details |
| Napocor | National Power Corporation | | | | Details |
| NBAC | RST MCS Near Background Count Rate | | | | Details |
| NBCI | Number of Computations of Incoherence | | | | Details |
| NC | Normally Closed | | | | Details |
| Nc | capillary number | | | | Details |
| NC | NEW CALEDONIA | | | | Details |
| NC | North Carolina | | | | Details |
| NC | no change | | | | Details |
| NC | no core | | | | Details |
| NC | not completed | | | | Details |
| nC | nanocoulomb | | | | Details |
| NC | Number of Cases | | | | Details |
| nC4 | n-Butane | | | | Details |
| NCA | National Communications Authority | | | | Details |
| NCA | Northern Calcareous Alps | | | | Details |
| NCAW | Near calcium windows count-rates | | | | Details |
| NCB | National Commercial Bank | | | | Details |
| NCB | National Cargo Bureau | | | | Details |
| NCB | new core bit | | | | Details |
| NCBD | Near detector capture background | | | | Details |
| NCBG | Near detector capture background gain | | | | Details |
| NCBL | Synthetic CBL from Near Attenuation | | | | Details |
| NCBO | No Change of Beneficial Ownership | | | | Details |
| NCBO | Near detector capture background offset | | | | Details |
| NCBS | Near detector capture background | | | | Details |
| NCCO | Near Carbon/(Carbon+Oxygen) ratio | | | | Details |
| NCCS | Neutron_Capture_Cross_Section | | | | Details |
| NCCS | neutral capture cross section | | | | Details |
| NCD | Nigerian Content Directive | | | | Details |
| NCF | Net Cash Flow | | | | Details |
| NCGF | Near detector capture gain correction | | | | Details |
| NCGIH | National Conference of Governmental Industrial Hygienists (see ACGIH) | | | | Details |
| NCHV | HGNS Neutron Control High Voltage | | | | Details |
| nCi | nanocurie | | | | Details |
| NCK1 | Nclock Output | | | | Details |
| NCK2 | Nclock Output | | | | Details |
| NCK3 | Nclock Output | | | | Details |
| NCL | NEW CALEDONIA | | | | Details |
| NCL | Neutron Collar Log | | | | Details |
| NCLK | NCLK Counts | | | | Details |
| NCMO | Near carbon minus oxygen | | | | Details |
| NCND | Non Circumvent and Non Disclosure | | | | Details |
| NCNL | Near Detector Count Rate | | | | Details |
| NCOC | Near detector inelastic carbon-oxygen | | | | Details |
| NCOF | Near detector capture offset correction | | | | Details |
| NCOR | RST Near Carbon/Oxygen Ratio | | | | Details |
| NCOR_SIG | RST Near Carbon/Oxygen Ratio Uncertainty | | | | Details |
| NCOW | Near CO windows ratio | | | | Details |
| NCP | Net Confining Pressure | | | | Details |
| NCPSA | Natural Gas Processors Suppliers Association | | | | Details |
| NCPU | NPLC DHC CPU Utilization | | | | Details |
| NCPZ | ECSC DHC CPU Utilization | | | | Details |
| NCR | Non Conformity Report | | | | Details |
| NCR | Non Conformance Report | | | | Details |
| NCRA | Net Count Rate from Spectrum A | | | | Details |
| NCRD | Near detector capture resolution | | | | Details |
| NCS | Norwegian Continental Shelf | | | | Details |
| NCSW | Near calcium/silicon windows ratio | | | | Details |
| NCT | non-contiguous tract | | | | Details |
| NCT | national coarse thread | | | | Details |
| NCT | noncontiguous tract | | | | Details |
| NCW | non-conventional wells | | | | Details |
| NCWC | Near carbon windows count-rates | | | | Details |
| NDC | National Drilling Company | | | | Details |
| NDC | Neutron Depth Control | | | | Details |
| NDC | National Drilling Co. Abu Dhabi | | | | Details |
| ne/c | northeast corner | | | | Details |
| NEC | National Electric Code | | | | Details |
| NEC | national electric code (US) | | | | Details |
| NEC | northeast corner | | | | Details |
| NECN | Calibrated Near Epithermal Count Rate | | | | Details |
| NECS | RST Near IC Capture Chi-Square | | | | Details |
| NEDC | Near East Development Company | | | | Details |
| NEDC | Near Epithermal Detector Counts | | | | Details |
| Nepco | National Electricity and Power Company | | | | Details |
| NERC | North American Electric Reliability Corporation | | | | Details |
| NEREFCO | Netherlands Refining Co. Netherlands | | | | Details |
| Nesco | Naftgaran Engineering Services Company | | | | Details |
| Newc | Newcastle | | | | Details |
| NFC | Non-Fatal Cases | | | | Details |
| NFC | National Fleet Card | | | | Details |
| NFCR | RST Near/Far Capture Ratio | | | | Details |
| NFDC | Near FDC Count Rate | | | | Details |
| NFOC | no fluorescence or cut | | | | Details |
| NGAC | Near GM Activation Count Rate Correction | | | | Details |
| NGC | Natural Gas in Coal | | | | Details |
| NGCC | natural gas combined cycle | | | | Details |
| NGDC | National Geoscience Data Centre (United Kingdom) | | | | Details |
| NGRC | National Geological Records Centre (United Kingdom) | | | | Details |
| NGSCO | National Gas Shipping Company | | | | Details |
| NGSCO | National Shipping Co. Abu Dhabi | | | | Details |
| NH4Cl | ammonium chloride | | | | Details |
| NHC | National Hurricane Center, division of US National Oceanic and Atmospheric Administration | | | | Details |
| NIC | National Industrialization Company | | | | Details |
| NIC | NICARAGUA | | | | Details |
| NIC | not in contract | | | | Details |
| NIC | Nicaraguan cordoba | | | | Details |
| NICE | Needs, Interests, Concerns and Expectations | | | | Details |
| NICO | Naftiran Intertrade Company | | | | Details |
| NICS | RST Near Inelastic Chi-Square | | | | Details |
| NICW | Near detector inelastic carbon window | | | | Details |
| NIDC | National Iranian Drilling Company | | | | Details |
| NIDOCO | Nile Delta Oil Company Egypt and others | | | | Details |
| NIGC | National Iranian Gas Company | | | | Details |
| NIGC | National Iranian Gas Company Iran | | | | Details |
| NINC | Index of Tool or Constraint Which Gives | | | | Details |
| NIOC | National Iranian Oil Company | | | | Details |
| NIOC | National Iranian Oil Co. Iran | | | | Details |
| NIOEC | National Iranian Oil Engineering and Construction Company | | | | Details |
| NIOPDC | National Iranian Oil Products Distribution Company | | | | Details |
| NIORDC | National Iranian Oil Refining & Distribution Company | | | | Details |
| NIPC | National Iranian Petrochemical Company Iran | | | | Details |
| NIRPDC | National Iranian Refining & Petroleum Products Distribution Co. Iran | | | | Details |
| NISOC | National Iranian South Oil Company | | | | Details |
| NITC | National Iranian Tanker Company | | | | Details |
| NMCA | Neutron Monitor Channel | | | | Details |
| NMCB | Neutron Monitor Channel | | | | Details |
| NMDC | Non Magnetic Drill Collar | | | | Details |
| NMDC | Non Magnetic Drill Collars | | | | Details |
| NMDC | Non-magnetic drill collar | | | | Details |
| NMDC | Non magnetic drill collar (also known as Monel Collar) | | | | Details |
| NMHC | Non-Methane Hydrocarbons | | | | Details |
| NMOCC | New Mexico Oil Conservation Commission | | | | Details |
| NMVOC | Non-Methane Volatile Organic Compounds | | | | Details |
| NNC | Non Neighbor Connections | | | | Details |
| NNCR | Normalized Casing Resistance N | | | | Details |
| NNPC | National Petroleum Construction Co. Abu Dhabi | | | | Details |
| NNPC | Nigerian National Petroleum Corp. Nigeria | | | | Details |
| NOC | National Oil Company | | | | Details |
| NOC | National Oil Corporation | | | | Details |
| NOC | Note of Completion of Work or No Objection Certificate | | | | Details |
| NOC | National Oil Companies | | | | Details |
| NOC | national (or state-owned) oil company | | | | Details |
| NOC | LIBYA National Oil Company (Libya) Libya | | | | Details |
| NOCK | National Oil Corporation of Kenya Ltd. Kenya | | | | Details |
| NODCO | National Oil Distribution Company | | | | Details |
| NODCO | National Oil Distribution Co. Qatar | | | | Details |
| NOJC | National Oil Jobbers Council | | | | Details |
| NORC | Norm of the Correction Factor(Scalar or | | | | Details |
| Novac | novaculite | | | | Details |
| NOWC | Near oxygen windows count-rates | | | | Details |
| NPC | National Petrochemical Company | | | | Details |
| NPC | Net Present Cost | | | | Details |
| NPC | National Petroleum Council | | | | Details |
| NPC | National Petroleum Company Barbados | | | | Details |
| NPC | Nasr Petroleum Co. Egypt | | | | Details |
| NPCC | National Petroleum Construction Company | | | | Details |
| NPIC | National Petrochemical Industrialization Co. Saudi Arabia | | | | Details |
| NPLC | Nuclear Porosity Lithology | | | | Details |
| NPLC | Neutron Porosity, Limestone (Temperature & Neutron_Porosity_Limestone | | | | Details |
| NPSC | American Standard Straight Coupling Pipe Thread | | | | Details |
| NRC | National Recruitment Center | | | | Details |
| NRC | Nuclear Regulatory Commission or National Response Center | | | | Details |
| NRC | Nuclear Regulatory Commission | | | | Details |
| NRCO | Contact Resistance N | | | | Details |
| NREC | National Real Estate Company | | | | Details |
| NSC | National Security Council | | | | Details |
| NSC | not suitable for coating | | | | Details |
| NSC | Norwegian Standard Certified | | | | Details |
| NSCC | (Type of thread like BTC) | | | | Details |
| NSCO | Near std-deviation of carbon/oxygen None | | | | Details |
| NSCR | RST Near Shaper Regulation Factor | | | | Details |
| NSFOC | no show fluorescence or cut | | | | Details |
| NSPC | RST Near Spectrum C | | | | Details |
| NSSC | Nasr Super Complex | | | | Details |
| NTCN | Near Thermal Count Rate | | | | Details |
| NTCR | Normalized Thickness from Casing | | | | Details |
| NTPC | National Thermal Power Company | | | | Details |
| NUCA | Neutron Caliper | | | | Details |
| NUCP | Smoothed Neutron Porosity | | | | Details |
| NUCR | Nuclear | | | | Details |
| nw/c | northwest corner | | | | Details |
| NWC | Networking Capital | | | | Details |
| NWC | Net Working Capital | | | | Details |
| NWCO | RST Near Windows Carbon/Oxygen Ratio | | | | Details |
| NWCO_SIG | RST Near Windows Carbon/Oxygen Ratio | | | | Details |
| NYC | Not Yet Competent | | | | Details |
| NYDEC | New York State Department of Environmental Conservation | | | | Details |
| O&GC | SULW oil and gas-cut sulfur water | | | | Details |
| O&GCAW | oil & gas cut acid water | | | | Details |
| O&GCAW | oil and gas-cut acid water | | | | Details |
| O&GCLW | oil & gas cut load water | | | | Details |
| O&GCLW | oil and gas-cut load water | | | | Details |
| O&GCM | oil & gas cut mud | | | | Details |
| O&GCM | oil and gas-cut mud | | | | Details |
| O&GCSW | oil & gas cut salt water | | | | Details |
| O&GCSW | oil and gas-cut salt water | | | | Details |
| O&GCW | oil & gas cut water | | | | Details |
| O&GCW | oil and gas-cut water | | | | Details |
| O&SWCM | oil and sulfur water-cut mud | | | | Details |
| O.W.C. | Oil Water Contact | | | | Details |
| OAPEC | Organization of Arab Petroleum Countries | | | | Details |
| OAPEC | Organization of Arab Petroleum Exporting Countries | | | | Details |
| OAPEC | Organization of Arab Petroleum Exporting Countries (—) | | | | Details |
| OBC | Ocean Bottom Cable (Seismic) | | | | Details |
| OBC | Ocean Bottom Cable | | | | Details |
| OBC | Onboarding Course | | | | Details |
| OBCS | Ocean Bottom Cable System | | | | Details |
| OC | Off Center Wear | | | | Details |
| OC | operating center | | | | Details |
| OC | outer casing | | | | Details |
| oc | Operating Committee | | | | Details |
| oc | oil cut | | | | Details |
| OC | on center | | | | Details |
| OC | open choke | | | | Details |
| OC | open cup | | | | Details |
| OC | operations commenced | | | | Details |
| OC | Other Curves | | | | Details |
| oC | GeoFrame legacy unit | | | | Details |
| OC | Opportunity Cost | | | | Details |
| OC- | Oil and Gas Investigations Chart | | | | Details |
| oC/h | GeoFrame legacy unit | | | | Details |
| oC/hm | GeoFrame legacy unit | | | | Details |
| oC/km | GeoFrame legacy unit | | | | Details |
| oC/m | GeoFrame legacy unit | | | | Details |
| OCAW | Oil, Chemical & Atomic Workers International Union | | | | Details |
| OCB | oil circuit breaker | | | | Details |
| OCC | Operations Coordination Center | | | | Details |
| OCC | occasional. occasionally | | | | Details |
| occ | occasional(ly) | | | | Details |
| occ | occasionally | | | | Details |
| occ | occasional | | | | Details |
| occl | occasional | | | | Details |
| OCD | Observed Core Depth | | | | Details |
| OCD | Outflow Control Devices | | | | Details |
| OCENSA | Oleoducto Central S.A. Colombia | | | | Details |
| OCF | Operating cash flow | | | | Details |
| och | ochre | | | | Details |
| OCI | Oil Corrosion Inhibitor (Vessels) | | | | Details |
| OCIMF | Oil Companies International Marine Forum | | | | Details |
| OCIMF | Oil Companies International Marine Forum (—) | | | | Details |
| OCK | Ordinary Cokriging | | | | Details |
| OCL | Quality Control Log | | | | Details |
| OCLI | Oil Color of Reference | | | | Details |
| OCLR | Oil Color | | | | Details |
| OCM | Operating Committee Meeting | | | | Details |
| OCM | oil cut mud | | | | Details |
| OCM | oil-cut mud | | | | Details |
| OCM | Operational Comitee Meeting | | | | Details |
| OCM | Operations Committee Meeting | | | | Details |
| OCOL | Oil Coloration from Optical Fluid Analyzer Color | | | | Details |
| OCP | Organically Complexed Polymers | | | | Details |
| OCPS | Organically Complexed Polymer systems | | | | Details |
| OCR | Optical Character Recognition (In scaning & printing - changing the scan to text ) | | | | Details |
| OCR | Office of Coal Research | | | | Details |
| OCR | Nominal Outside Casing Radius | | | | Details |
| OCS | Overall Contracting Strategy | | | | Details |
| OCS | outer continental shelf | | | | Details |
| OCSLA | Outer Continental Shelf Lands Act | | | | Details |
| OCSW | oil cut salt water | | | | Details |
| OCSW | oil-cut salt water | | | | Details |
| oct | octagon, octagonal | | | | Details |
| oct | octane | | | | Details |
| OCTC | On-circuit tap changer | | | | Details |
| OCTG | Oil Country Tubular Goods - pipe made to API specifications | | | | Details |
| OCTG | Oil Country Tubular Goods (oil well casing, tubing, and drill pipe) | | | | Details |
| OCTG | oil country tubular goods | | | | Details |
| octg | oil country tubular goods | | | | Details |
| OCTS | OMV Clearing und Treasury GmbH | | | | Details |
| OCUT | Oil Cut | | | | Details |
| ocw | oil cut water | | | | Details |
| OCW | oil-cut water | | | | Details |
| ODAC | Oil Depletion Analysis Centre | | | | Details |
| ODSC | Optical Density Scattering Component | | | | Details |
| OECD | Organization for Economic Cooperation and Development | | | | Details |
| OECD | Organization of Economic Cooperation and Development | | | | Details |
| OECD | Organization for Economic Cooperation & Development | | | | Details |
| OECD | Organisation for Economic Co operation and Development | | | | Details |
| OEOC | Oil Exploration Operations Company | | | | Details |
| OFAC | Office of Foreign Asset Control | | | | Details |
| OFC | Open-Flow Capacity | | | | Details |
| OFIC | oil insulated fan-cooled | | | | Details |
| OGC | Oil & Gas & Condensate | | | | Details |
| OGC | Oil Gas Contact | | | | Details |
| OGC | SULW oil and gas-cut sulfur water | | | | Details |
| OGCAW | oil & gas cut acid water | | | | Details |
| OGCAW | oil and gas-cut acid water | | | | Details |
| OGCLW | oil & gas cut load water | | | | Details |
| OGCLW | oil and gas-cut load water | | | | Details |
| OGCM | oil & gas cut mud | | | | Details |
| OGCM | oil and gas-cut mud | | | | Details |
| OGCSW | oil & gas cut salt water | | | | Details |
| OGCSW | oil and gas-cut salt water | | | | Details |
| OGCW | oil & gas cut water | | | | Details |
| OGCW | oil and gas-cut water | | | | Details |
| OGDC | Oil and Gas Development Corp. Pakistan | | | | Details |
| OGDCL | Oil & Gas Development Company Limited | | | | Details |
| OGIC | Oil and Gas India Conference and Exhibition | | | | Details |
| OGMC | Oil and Gas Mine Company | | | | Details |
| OGOC | Original Gas Oil Contact | | | | Details |
| OGRC | Oil & Gas Reserves Committee | | | | Details |
| OGWC | Original Gas Water Contact | | | | Details |
| OHC | Open Hole Completion | | | | Details |
| ohm-cm | ohm-centimeter | | | | Details |
| OIC | Organization of Islamic Conference | | | | Details |
| OIC | Oil Information Committee | | | | Details |
| OIC | Oil Injection Cumulative | | | | Details |
| OIEC | Oil Industries Engineering Company | | | | Details |
| OIFC | oil insulated, fan cooled | | | | Details |
| OILC | Oil Color Indicator | | | | Details |
| oilfract | Oil fractured | | | | Details |
| OILREC | OIL RECovery | | | | Details |
| OISC | oil insulated, self-cooled | | | | Details |
| OIWC | oil immersed, water cooled | | | | Details |
| OKIOC | Offshore Kazakstan International Operating Company | | | | Details |
| OKIOC | Offshore Kazakhstan Intl. Operating Co. Kuwait | | | | Details |
| OLECASA | Oleoductos Canarios S.A. Spain | | | | Details |
| OLTC | On-load tap changer | | | | Details |
| OMIFCO | Oman-India Ferilizer Company | | | | Details |
| ONACO | Orenburg Oil Company Russia | | | | Details |
| Onc, onc | oncolite (-oidal) | | | | Details |
| ONCF | Office National des Chemins de Fer | | | | Details |
| ONCR | Normalized Casing Resistance O | | | | Details |
| ONGC | Oil and Natural Gas Corporation | | | | Details |
| ONGC | Oil & Natural Gas Corporation | | | | Details |
| ONGC | Oil and Natural Gas Commission India | | | | Details |
| ONHC | Oman National Holding Company | | | | Details |
| OOC | Oman Oil Company | | | | Details |
| ooc | ooliclastic | | | | Details |
| OOC | Offshore Operators Committee | | | | Details |
| Ooc, ooc | oolicast (-ic) | | | | Details |
| OOWC | Original Oil Water Contact | | | | Details |
| OPC | Oriental Petrochemical Company | | | | Details |
| OPC | Oil Policy Committee | | | | Details |
| OPC | Oriental Petrochemicals Company Egypt | | | | Details |
| OPC | Operations Controller | | | | Details |
| OPC | Oil Production Cumulative | | | | Details |
| OPCO | Lukoil Mid-East Operational Company | | | | Details |
| OPCO | Operating Company | | | | Details |
| OPCOM | Romanian gas and electricity market operator | | | | Details |
| OPEC | Organization of Petroleum Exporting Countries | | | | Details |
| OPEC | Organization of the Petroleum Exporting Countries | | | | Details |
| OPEC | Organization of Petroleum Exporting Countries (1983 list | | | | Details |
| OPEC | Organization of Petroleum Exporting Countries (—) | | | | Details |
| OPECNA | OPEC News Agency OPEC | | | | Details |
| Operc | Operculinoides | | | | Details |
| OPIC | Overseas Private Investment Corporation | | | | Details |
| ORC | Oman Oil Refinery Company | | | | Details |
| ORCO | Contact Resistance O | | | | Details |
| ORIAC | Oil Refining Industry Action Committee | | | | Details |
| ORICO | Oriented Core Data Report | | | | Details |
| ORIFICE_DIAM | Gas meter orifice diameter | | | | Details |
| ORSANCO | Ohio River Valley Water Sanitation Commission | | | | Details |
| OSC | On Scene Commander | | | | Details |
| OSC | Compensated Oil Fraction | | | | Details |
| OSCO | Oil Services Company of Iran | | | | Details |
| OSHRC | Occupational Safety and Health Review Commission | | | | Details |
| OSRC | (ADNOC) Oil Spill Response Centre | | | | Details |
| OSWCM | oil and sulfur water-cut mud | | | | Details |
| OTC | Offshore Technology Conference | | | | Details |
| OTC | Over the counter (finance) | | | | Details |
| OTCH | OMV Česká republika, s.r.o. | | | | Details |
| OUCP | Offset Used to Compute SGP | | | | Details |
| OUCP_DL | Offset Used to Compute SGP | | | | Details |
| OVCH | Oversize Charts | | | | Details |
| OWC | Oil Water Contact | | | | Details |
| OWC | oil-water contact | | | | Details |
| P&C | personal and confidential | | | | Details |
| P&C | People & Culture | | | | Details |
| P/C | “Painted and coated” or “painted and wrapped” pipelines-steel pipe with protective external coating of one of several different types | | | | Details |
| P01CCL | Casing Collar Locator Amplitude [01] | | | | Details |
| P01CVL | Cable Velocity [01] | | | | Details |
| P02CCL | Casing Collar Locator Amplitude [02] | | | | Details |
| P02CVL | Cable Velocity [02] | | | | Details |
| P03CCL | Casing Collar Locator Amplitude [03] | | | | Details |
| P03CVL | Cable Velocity [03] | | | | Details |
| P04CCL | Casing Collar Locator Amplitude [04] | | | | Details |
| P04CVL | Cable Velocity [04] | | | | Details |
| P05CCL | Casing Collar Locator Amplitude [05] | | | | Details |
| P05CVL | Cable Velocity [05] | | | | Details |
| P06CCL | Casing Collar Locator Amplitude [06] | | | | Details |
| P06CVL | Cable Velocity [06] | | | | Details |
| P07CCL | Casing Collar Locator Amplitude [07] | | | | Details |
| P07CVL | Cable Velocity [07] | | | | Details |
| P08CCL | Casing Collar Locator Amplitude [08] | | | | Details |
| P08CVL | Cable Velocity [08] | | | | Details |
| P09CCL | Casing Collar Locator Amplitude [09] | | | | Details |
| P09CVL | Cable Velocity [09] | | | | Details |
| P10CCL | Casing Collar Locator Amplitude [10] | | | | Details |
| P10CVL | Cable Velocity [10] | | | | Details |
| P11CCL | Casing Collar Locator Amplitude [11] | | | | Details |
| P11CVL | Cable Velocity [11] | | | | Details |
| P12CCL | Casing Collar Locator Amplitude [12] | | | | Details |
| P12CVL | Cable Velocity [12] | | | | Details |
| P13CCL | Casing Collar Locator Amplitude [13] | | | | Details |
| P13CVL | Cable Velocity [13] | | | | Details |
| P14CCL | Casing Collar Locator Amplitude [14] | | | | Details |
| P14CVL | Cable Velocity [14] | | | | Details |
| P15CCL | Casing Collar Locator Amplitude [15] | | | | Details |
| P15CVL | Cable Velocity [15] | | | | Details |
| P16CCL | Casing Collar Locator Amplitude [16] | | | | Details |
| P16CVL | Cable Velocity [16] | | | | Details |
| P1EC | Pad 1 Eddy-Current | | | | Details |
| P2CP | psi squared per centipoise | | | | Details |
| P2EC | Pad 2 Eddy-Current | | | | Details |
| P3EC | Pad 3 Eddy-Current | | | | Details |
| P4EC | Pad 4 Eddy-Current | | | | Details |
| P5EC | Pad 5 Eddy-Current | | | | Details |
| P6EC | Pad 6 Eddy-Current | | | | Details |
| P7EC | Pad 7 Eddy-Current | | | | Details |
| P8EC | Pad 8 Eddy-Current | | | | Details |
| PAAC | MRPA Acquisition Command Echo | | | | Details |
| PAAC_DL | MRPA Acquisition Command Echo | | | | Details |
| Pac | Authorization & Market Chance|| | Authorization & Market opportunity | Authorization & Market Gelegenheit | Autorisation et marché occasion | Details |
| PAC | Production Acceptance Certification (a test for the EPF, to check if it can handle the nominal oil volume) | | | | Details |
| PAC | Provisional Acceptance Certificate | | | | Details |
| Pac | Authorization & Market Chance | | | | Details |
| PAC | Project Acceptance Certificate | | | | Details |
| PACIN | Paints and Chemical Industries Company | | | | Details |
| PACO | Process Automation, Control & Optimization | | | | Details |
| PACSI | Perform, Accountable, Control, Suggest, Informed | | | | Details |
| PACV | pressure activated circulating valve | | | | Details |
| PADC | HLDS Pad Contact Quality | | | | Details |
| PADEC | Projects, Acquisitions and Divestments Evaluation Committee | | | | Details |
| Pafco | Pak-Arab Fertilizers Ltd. | | | | Details |
| PALCP | MRPA lower contact point distance | | | | Details |
| PALCP_DL | MRPA lower contact point distance | | | | Details |
| PANC | MRPA Nclo | | | | Details |
| PANC_DL | MRPA Difference Frequency in Clock Sensor | | | | Details |
| PAPC | MRPA Quartz Gauge Pressure Compensation | | | | Details |
| PAPC_DL | MRPA Quartz Pressure Compensation | | | | Details |
| Parco | Pak-Arab Refinery Ltd. | | | | Details |
| PARCO | Pak-Arab Refinery Pakistan/Abu Dhabi | | | | Details |
| PARCO | Pak-Arab Refinery Limited | | | | Details |
| PASC | MRPA Control Echo | | | | Details |
| PASC_DL | MRPA Control Command Echo | | | | Details |
| patchy | patchy | | | | Details |
| PAUCP | MRPA upper contact point distance | | | | Details |
| PAUCP_DL | MRPA upper contact point distance | | | | Details |
| PBHC | Porosity from Borehole Compensated Sonic | | | | Details |
| Pc | Capillary Pressure (reservoir) | | | | Details |
| pC | Casingdruck | | | | Details |
| PC | Percentage | | | | Details |
| PC | Pressure Control valve (like PCV) | | | | Details |
| Pc | Capillary Pressure | | | | Details |
| PC | PITCAIRN | | | | Details |
| PC | production casing | | | | Details |
| PC | Paint Creek | | | | Details |
| pc | piece | | | | Details |
| PC | poker chipped | | | | Details |
| pc | port collar | | | | Details |
| PC | Porter Creek | | | | Details |
| PC | Pressure Control | | | | Details |
| PC | Perez Comerc Argentina | | | | Details |
| PC | PC Plungerkammerlift | | | | Details |
| pC | picocoulomb | | | | Details |
| PC | Project Charter | | | | Details |
| PC | Profit Center | | | | Details |
| PC | Petrom City | | | | Details |
| PC | Profit Center | | | | Details |
| PC | Process Control System | Leitsysteme | | | Details |
| PC | Production Cost | | | | Details |
| PC | personal and confidential | | | | Details |
| PC | People & Culture | | | | Details |
| PC01 | Pressure Channel 01 | | | | Details |
| PC02 | Pressure Channel 02 | | | | Details |
| PC03 | Pressure Channel 03 | | | | Details |
| PC04 | Pressure Channel 04 | | | | Details |
| PC05 | Pressure Channel 05 | | | | Details |
| PC06 | Pressure Channel 06 | | | | Details |
| PC07 | Pressure Channel 07 | | | | Details |
| PC08 | Pressure Channel 08 | | | | Details |
| PC09 | Pressure Channel 09 | | | | Details |
| PC10 | Pressure Channel 10 | | | | Details |
| PC11 | Pressure Channel 11 | | | | Details |
| PC12 | Pressure Channel 12 | | | | Details |
| PC13 | Pressure Channel 13 | | | | Details |
| PC14 | Pressure Channel 14 | | | | Details |
| PC15 | Pressure Channel 15 | | | | Details |
| PCA | Principal Component Analysis (water analysis) | | | | Details |
| PCA | Production Concession Agreement | | | | Details |
| PCA | Principal Component Analysis | | | | Details |
| Pcal | petacalorie | | | | Details |
| PCAL | Caliper from Phase Shift Imbalance | | | | Details |
| PCB | Poly Chlorinated BiPhenyl | | | | Details |
| PCB | polychlorinated biphenyls | | | | Details |
| PCBL | Predicted CBL Amplitude | | | | Details |
| PCC | Petrochemical Commercial Company | | | | Details |
| PCC | Project Cost Card | | | | Details |
| PCCL | Perforation Casing Collar Locator Log | | | | Details |
| PCCL | Casing Collar Locator Amplitude | | | | Details |
| PCCS | Preamplifier Cartridge Supply | | | | Details |
| PCD | Microlog | | | | Details |
| PCDD | polychlorinated dibenzodioxins | | | | Details |
| PCDF | polychlorinated dibenzofurans | | | | Details |
| PCDIAG | MRPC Diagnostics | | | | Details |
| PCDIAG_DL | MRPC Diagnostics | | | | Details |
| PCDM | Power and Control Distribution Module | | | | Details |
| PCE | Pressure Control Equipment (S/L or W/L PCE: lubricator, stuffinf box, …) | | | | Details |
| PCE | Pressure Control Equipment | | | | Details |
| PCE | Personal consumption expenditures | | | | Details |
| PCE | Project Cost Engineer | | | | Details |
| PCEF | Plunger Closing Efficiency | | | | Details |
| PCF | Pound per Cubic Foot | | | | Details |
| PCF | Pounds per Cubic Feet | | | | Details |
| PCF | Petroleum Communications Foundation | | | | Details |
| PCF | Partially Communicating Faults | | | | Details |
| PCG | Pressure Case Gamma | | | | Details |
| PCG | Parent Company Guarantee | | | | Details |
| PCGAS | EEX CEGH Gas Exchange Services GmbH | | | | Details |
| PCGND | MRPC Ground Voltage | | | | Details |
| PCGND_DL | MRPC Ground | | | | Details |
| PCGR | HNGS (HCGR + SCGR) | | | | Details |
| Pch, pch | patch (-y) | | | | Details |
| PCI | Project Competative Intelligence | | | | Details |
| PCI | Peripheral Component Interconnect | | | | Details |
| pCi | picocurie | | | | Details |
| PCI | Planning Complexity Index | | | | Details |
| pCi/g | picocurie per gram | | | | Details |
| PCIG | picocurie per gram | | | | Details |
| PCJ | Petroleum Corp. of Jamaica Jamaica | | | | Details |
| PCK | Petrolchemie und Kraftstoffe AG Schwedt Germany | | | | Details |
| PCKR | Packer Log | | | | Details |
| PCKR | Packer | | | | Details |
| PCL | Pipe Conveyed Logging | | | | Details |
| pcl | pipe conveyed logging | | | | Details |
| PCLG | Projection of the Logs onto the Principal | | | | Details |
| PCM | Power Control Module | | | | Details |
| PCMS | MUX State | | | | Details |
| PCMS-A | PSP Conveyance Monitoring Sonde - A | | | | Details |
| PCMS_DL | MUX State | | | | Details |
| PCN | Proposal to Commence Negotiation | | | | Details |
| PCN | PITCAIRN | | | | Details |
| PCO | Project Change Order | | | | Details |
| PCOLL | Perforation and Collar | | | | Details |
| PCP | Permanent Completion Perforating | | | | Details |
| PCP | Progressive Cavity Pump (well artificial lift) | | | | Details |
| PCP | Progressive Cavity Pump | | | | Details |
| PCP | Passive Corrosion Protection | | | | Details |
| PCR | Permanent Cement Retainer | | | | Details |
| PCR | Performance and Career Review (Staff Appraisal) | | | | Details |
| PCS | Process Control System | | | | Details |
| PCS | Process Control System | Leitsysteme | | | Details |
| PCSA | Pre-Construction Services Agreement | | | | Details |
| Pcsg | Production Casing | | | | Details |
| PCSP | Plus Calibration Spectrum | | | | Details |
| PCT | Pressure Controlled Tester valve (SLB) | | | | Details |
| PCT | Percentage | | | | Details |
| PCT | Combination Production Logging | | | | Details |
| pct | percent | | | | Details |
| PCT | Production Combination Tool Logging | | | | Details |
| PCTS | Pressure Correction Temperature Source | | | | Details |
| PCV | Pressure Control Valve | | | | Details |
| PCV | positive crankcase ventilation | | | | Details |
| PCVL | Cable Velocity | | | | Details |
| PDC | Perforation Depth Control | | | | Details |
| PDC | Polycrystalline Diamond Composite (a type of drilling bit) | | | | Details |
| PDC | Project Document Controller | | | | Details |
| PDC | Polycrystalline Diamond Compact (for bits) | | | | Details |
| PDC | Primary Domain Controller | | | | Details |
| PDC | poly crystalline diamond compact drill bit or cutter | | | | Details |
| PDC | Gamma Ray Depth Cont rol | | | | Details |
| PDC | Perforating Formation Collar | | | | Details |
| PDC | Perforating Fonmation | | | | Details |
| PDC | Perforating Depth Control | | | | Details |
| PDC | Collar/Collar Correlation | | | | Details |
| PDC | power distribution center | | | | Details |
| PDC | pressure differential controller | | | | Details |
| PDC | Perforating-Depth Control | | | | Details |
| PDC | Perforation Depth Control Log | | | | Details |
| PDC | Perforated Depth Control | | | | Details |
| PDC | Polycrystalline Diamond Compact | | | | Details |
| PDC | Polycrystalline diamond cutter | | | | Details |
| PDCA | Probabilistic Decline Curve Analysis | | | | Details |
| PDIC | pressure differential indicator controller | | | | Details |
| PDISC | Petroleum Development Integrated Sub-Committee Meeting | | | | Details |
| PDISC | Petroleum Development Integrated Sub-Committee Meeting | | | | Details |
| PDRC | pressure differential recorder controller | | | | Details |
| PEAK_STRN_CP | Peak Strength vs. Confining Pressure | | | | Details |
| PEC | Production Enhancement Contract | | | | Details |
| PEC | Percentage of External Corrosion | | | | Details |
| PECC | Eccentering | | | | Details |
| Pedco | Petroleum Development Corporation | | | | Details |
| PEDEC | Petroleum Development and Engineering Company | | | | Details |
| Pelec | pelecypod | | | | Details |
| perco | percolation | | | | Details |
| PERDC | Perforation Depth Control | | | | Details |
| PETCO | Petroleum Corporation of Texas | | | | Details |
| PETRO-COMMERCIAL | Empresa Estatal de Commercializacion y Transporte de Petroles del Ecuador Ecuador | | | | Details |
| PETRO-ECUADOR | Petroleos de Ecuador Ecuador | | | | Details |
| PETRO-PRODUCTION | Empresa Estatal de Exploration y Produccion de Petroleos del Ecuador Ecuador | | | | Details |
| PETROCAN | Petroleos de Canarias Spain | | | | Details |
| petrochem | petrochemical | | | | Details |
| PETROCI | Societe Nationale d’Operations Petrolieres de la Cote d’Ivoire Cote d’Ivoire | | | | Details |
| PetroFinance | Petroleum Finance Company | | | | Details |
| PETROMOC | Empresa Nacional Petroles de Moçambique Mozambique | | | | Details |
| PETRONIC | Empresa Nicaraguense del Petroleo Nicaragua | | | | Details |
| PETSOC | Petroleum Society of the Canadian Institute of Mining, Metallurgy and Petroleum | | | | Details |
| PFC | PFC Log | | | | Details |
| PFC | Petroleum Finance Company Ltd. | | | | Details |
| PFC | Perforating Control | | | | Details |
| PFC | Perforating Formation Collar | | | | Details |
| PFC | PFC Gamma Ray Log | | | | Details |
| PFC GR | PFC Gamma Ray | | | | Details |
| PFCS | Flow-Caliper Imaging Sonde in PLT/PSP Schlumgberger tool (spinner+caliper) | | | | Details |
| PFCS | PSP Flowmeter Dual Caliper Sonde | | | | Details |
| PFDC | Porosity from the FDC tool | | | | Details |
| PFISC | Production Facilities Integrity Sub-Committee | | | | Details |
| PFRACT | prefractionator | | | | Details |
| PFREC | Perforation Record Log | | | | Details |
| pg/dscm | picograms per dry standard cubic meter | | | | Details |
| PGAC | Propane Gas Association of Canada | | | | Details |
| PGC | Pecan Gap chalk | | | | Details |
| PGCOA | Pennsylvania Grade Crude Oil Association | | | | Details |
| PGMC | Platform Gradiomanometer Sonde in PLT/PSP tool of Schlumberger (Density) | | | | Details |
| Phc | Hydrocarbon Chance|| | Hydrocarbon chance | Kohlenwasserstoff-Chance | Hydrocarbon occasion | Details |
| PHC | Project Health Check | | | | Details |
| PHC | Passive Heave Compensator | | | | Details |
| PHC | pipe-handling capacity | | | | Details |
| Phc | Hydrocarbon Chance | | | | Details |
| PHCD | Plan Hydrocarbon Development | | | | Details |
| PHCL | Photoclinometer | | | | Details |
| PHIC | TDT Count Rate Porosity | | | | Details |
| PHICL | clay corrected porosity | | | | Details |
| PHIE_CPX | Effective Porosity | | | | Details |
| PIC | Petrochemical Industries Company | | | | Details |
| PIC | Person In Charge | | | | Details |
| PIC | pressure indicator controller | | | | Details |
| Pic | Cl Pictured Cliff | | | | Details |
| PIC | Polymer Injection Cumulative | | | | Details |
| PICA | Petroleum Industry Contractors Association | | | | Details |
| PIDEC | Petrochemical Industries and Engineering Company | | | | Details |
| PIRC | PI Research Center | | | | Details |
| PIRINC | Petroleum Industry Research Foundation, Inc. | | | | Details |
| PLC | Programmable Logic Controller | | | | Details |
| PLCA | Pipe Line Contractors Association | | | | Details |
| plcy | pelecypod | | | | Details |
| PLRC | Professional Ladder Review Committee (old designation for CLRC) | | | | Details |
| PLT-CT | Production Logging Test with Coiled Tubing | | | | Details |
| PLTCT | Production Logging Test with Coiled Tubing | | | | Details |
| PM/CM | Preventive Maintenance/Corrective Maintenance | | | | Details |
| PMAC | Period Moving Average Cost | | | | Details |
| PMACS | portable measurement, alarm and control system | | | | Details |
| PMC | Project Management Consultant | | | | Details |
| PMC | Project Management Community | | | | Details |
| PMC | Project Management Consultant | | | | Details |
| PMCC | Project Management Competence Center | | | | Details |
| PMCD | Pressurized Mudcap Drilling | | | | Details |
| PMCD | Pressurized mud cap drilling | | | | Details |
| PMCD | Pressurized Mud Cap | | | | Details |
| PMCU | Pump Motor Current | | | | Details |
| PMCU_DL | Pump Motor Current | | | | Details |
| PMSC | Project Management Serivces Contract | | | | Details |
| PMT CH | Pipe Moving Time in Cased Hole | | | | Details |
| PMTCH | Pipe Moving Time in Cased Hole | | | | Details |
| PMTICH | Pipe Moving Time in Cased Hole | | | | Details |
| PNC | Palestinian National Council | | | | Details |
| PNC | pulsed neutron capture | | | | Details |
| PNOC | Philippine National Oil Company Philippines | | | | Details |
| PoC | Proof of Concept | | | | Details |
| POC | Point of Contact | | | | Details |
| POCS | Pacific Outer Continental Shelf | | | | Details |
| PODC | PO Duty Cycle | | | | Details |
| PODC_DL | MRPO Duty Cycle | | | | Details |
| POGC | Pars Oil & Gas Company | | | | Details |
| POLC | Polarization Correction (Ratio of | | | | Details |
| POLC_SL | Polarization Correction (Ratio of | | | | Details |
| POLICOLSA | Poliolefinas Colombianas S.A. Colombia | | | | Details |
| POMC | PO Motor Current | | | | Details |
| POMC_DL | MRPO Motor Current | | | | Details |
| porc | porcelaneous | | | | Details |
| porc | porcion | | | | Details |
| porcel | porcelaneous | | | | Details |
| POSW_ACQ | MRPO Sequence Status Word | | | | Details |
| POTC | Potassium (K) Count Rate Output | | | | Details |
| POWC | Present Oil Water Contact (reservoir) | | | | Details |
| PPC | Powered positioning caliper | | | | Details |
| PPC | Pollution Prevention and Control | | | | Details |
| Ppc | pseudo-critical pressure [psi] | | | | Details |
| PPC | Petroleum Packaging Council | | | | Details |
| PPC | Petroleum Pipelines Company Egypt | | | | Details |
| PPC | Pay Per Click | | | | Details |
| PPC | Polymer Production Cumulative | | | | Details |
| PPC | Project Planing Committee | | | | Details |
| ppcf | Pounds Per Cubic Foot | | | | Details |
| PPEC | PIQL Percentage of external corrosion | | | | Details |
| PPLC | Professional Personnel Leadership Committee | | | | Details |
| PPSC | Petroleum Production Sharing Contractors | | | | Details |
| PPSC | Plant, Pipeline and Sulphur Handling Advisory Sub-Committee | | | | Details |
| PPUC | MRPP Surface Current | | | | Details |
| PPUC_DL | MRPP Surface Current | | | | Details |
| Prc | Recovery Chance|| | Recovery chance | Recovery-Chance | chances de récupération | Details |
| PRC | Petroleum Reserves Company | | | | Details |
| PRC | pressure recorder control | | | | Details |
| Prc | Recovery Chance | | | | Details |
| PRC NEU | PFC Neutron | | | | Details |
| PRCO | Proppant Concentration | | | | Details |
| prcst | precast | | | | Details |
| PREC | Perforation Record | | | | Details |
| PRECIP | precipitator | | | | Details |
| prncpl-lss | principal lessee(s) | | | | Details |
| proc | process | | | | Details |
| ProCo | Project Coordinator | | | | Details |
| PRSC | Projects Review Sub-Committee (Also Psc) | | | | Details |
| PR_CP | Poisson's Ratio Modulus vs. Confining | | | | Details |
| PSAC | Petroleum Services Association of Canada | | | | Details |
| Psc | Skills & Technology Chance|| | Skills & Technology chance | Skills & Technik Chance | Compétences et chances Technologie | Details |
| PSC | Production Sharing Contract | | | | Details |
| PSC | Port State Control | | | | Details |
| PSC | Positive Seal Coupling | | | | Details |
| Psc | Standard Pressure | | | | Details |
| Psc | Skills & Technology Chance | | | | Details |
| PSCM | Procurement & Supply Chain Management | | | | Details |
| PSCM | Procurement & Supply chain Management | | | | Details |
| PSCS | SPAC Power Supply Status | | | | Details |
| psi2/cP | psi squared per centipoise | | | | Details |
| PTC | permanent type completion | | | | Details |
| PTC | digitales P,T , CCL Meßgerät | | | | Details |
| PTC | Probabilistic-type curves | | | | Details |
| PTC5 | DSST Packed Threshold Crossing Counts - | | | | Details |
| ptcl | particles | | | | Details |
| PTTC | Petroleum Technology Transfer Council, United States | | | | Details |
| PTTC | Petroleum Technology Transfer Council | | | | Details |
| PUC | project ultimate cost | | | | Details |
| PUIC | pulled up in casing | | | | Details |
| PURCH | purchasing | | | | Details |
| PVC | Polyvinyl Chloride | | | | Details |
| PWCH | Pump down Wet Connector Head | | | | Details |
| PWCR | Pipe Wall Change From Radii | | | | Details |
| PWCT | Pipe Wall Change from Thicknesses | | | | Details |
| pyrcl | pyroclastic | | | | Details |
| pyrclas | pyroclastic | | | | Details |
| Q-Chem | Qatar Chemical Complex | | | | Details |
| Q-CHEM | Qatar Chemical Corp. Qatar | | | | Details |
| QA/QC | quality assurance and quality control | | | | Details |
| QA/QC | Quality Assurance / Quality Control | | | | Details |
| QABICO | Qatar Hot Briquetted Iron Company | | | | Details |
| QAFAC | Qatar Fuel Additives Company | | | | Details |
| QAFCO | Qatar Fertilizer Company | | | | Details |
| QAPCO | Qatar Petrochemical Company | | | | Details |
| QAPCO | Qatar Petroleum Company | | | | Details |
| QASCO | Qatar Steel Company | | | | Details |
| QBHC | Standard Deviation on Sonic Transit Time | | | | Details |
| QC | Quality control | | | | Details |
| QC | Quick Connect | | | | Details |
| QC | Quitclaim | | | | Details |
| QC | Quality Check | | | | Details |
| QC | Quality control or Quality costs | | | | Details |
| QC | Quick Connect | | | | Details |
| QC/DC | Quick Connect/Disconnect Coupler | | | | Details |
| QCAT | Quality Criticality Assessment Team | | | | Details |
| QCID | CID Quality Indicator - Brine Derived | | | | Details |
| QCL | Pore Volume Clay | | | | Details |
| QCM | Quality Compliance Manager | | | | Details |
| QCNL | Standard Deviation on Neutron Porosity | | | | Details |
| QCNT | Slim Hot Compensated Neutron Tool | | | | Details |
| QCNT | SlimHot Compensated Neutron Tool - A | | | | Details |
| QCP | Quality Control Plan | | | | Details |
| QCR | Quality Control Report | | | | Details |
| QDBC | Deep Induction Borehole Correction Quality Quality_Indicator | | | | Details |
| QDTC | Quality Factor for Delta-T-Compressional | | | | Details |
| QEWC | Qatar Electricity and Water Company | | | | Details |
| QFCF | FC (Fractional part) | | | | Details |
| QFCI | FC (Integer part) | | | | Details |
| QFCT | Quality Factor | | | | Details |
| QFDC | Standard Deviation on Bulk Density Log | | | | Details |
| QGC | Flow Gas Contribution to Total | | | | Details |
| QGCC | QT Gas Contribution Channel | | | | Details |
| QGCH | Gas Channel Flowrate | | | | Details |
| QGPC | Qatar General Petroleum Corporation | | | | Details |
| QGPC | Qatar General Petroleum Corporation Qatar | | | | Details |
| QHCH | Hydrocarbon Channel Flowrate | | | | Details |
| QLCC | QT Liquid Contribution Channel | | | | Details |
| QLCH | Liquid Channel Flowrate | | | | Details |
| QMBC | Medium Induction Borehole Correction | | | | Details |
| qnch | quench | | | | Details |
| QOC | Flow, Oil Contribution to Total | | | | Details |
| QOCE | ER Phasor Tornado Chart Offchart Flag | | | | Details |
| QOCH | Oil Channel Flowrate | | | | Details |
| QOCP | Phasor Tornado Chart Offchart Flag | | | | Details |
| QOCV | VR Phasor Tornado Chart Offchart Flag | | | | Details |
| QOWC | Water + Oil Flowrate | | | | Details |
| QPDC | Qatar Petroleum Development Company Ltd. | | | | Details |
| QRC | quick ram change | | | | Details |
| QRC | Qualified Reserves Coordinator | | | | Details |
| QSBC | SFL Borehole Correction Quality | | | | Details |
| QSC | Quality Steering Committee | | | | Details |
| QSCS | Slimhole Power Caliper Sonde | | | | Details |
| QSFC | RPQS Quartz Clock Frequency (FC) | | | | Details |
| QTGC | SlimXtreme Telemetry and Gamma Ray | | | | Details |
| QTLC | Quality of Time - Long Compressional | | | | Details |
| QTSC | Quality of Time - Short Compressional | | | | Details |
| QVC | Qatar Vinyl Company | | | | Details |
| QVCL | Standard Deviation of Errors on VCL | | | | Details |
| QWC | Water Flowrate | | | | Details |
| QWCC | QT Water Contribution Channel | | | | Details |
| QWCH | Water Channel Flowrate | | | | Details |
| R&LC | road & location complete | | | | Details |
| R1AC | Computed Resistivity Pad 1A Dip Button | | | | Details |
| R1C | Computed Resistivity Pad 1 Dip Button | | | | Details |
| R2AC | Computed Resistivity Pad 2a Dip Button | | | | Details |
| R2C | Computed Resistivity Pad 2 Dip Button | | | | Details |
| R3AC | Computed Resistivity Pad 3A Dip Button | | | | Details |
| R3C | Computed Resistivity Pad 3 Dip Button | | | | Details |
| R4AC | Computed Resistivity Pad 4A Dip Button | | | | Details |
| R4C | Computed Resistivity Pad 4 Dip Button | | | | Details |
| RA1C | Spinner 1 Arch | | | | Details |
| RA1C_TL | Spinner 1 Arch | | | | Details |
| RA2C | Spinner 2 Arch | | | | Details |
| RA2C_TL | Spinner 2 Arch | | | | Details |
| RAAC | Raw Average Acceleration | | | | Details |
| RABC | Rig Activity Bar-chart | | | | Details |
| RAC | Ratio Curves | | | | Details |
| RAC | Radiation Advisory Committee | | | | Details |
| RAC0 | Raw Acceleration 0 | | | | Details |
| RAC1 | Raw Acceleration 1 | | | | Details |
| RAC2 | Raw Acceleration 2 | | | | Details |
| RACC | Raw Tool Acceleration | | | | Details |
| RACI | Responsible / Accountable / Consulted / Informed | | | | Details |
| RACI | Responsible, Accountable, Consulted, Informed | | | | Details |
| RACI-VS | RACI Verifier Signatory | | | | Details |
| RACIQ | RACI + F | | | | Details |
| RACLM | Resistivity LWD deep | | | | Details |
| RACON | Radar Beacon | | | | Details |
| RACT | Reasonable Available Control Technology | | | | Details |
| RACTR | reactor | | | | Details |
| RADEEC | Regie Autonome Intercommunal de Distribution d’Eau et d’Electricité de la Chaouia | | | | Details |
| RAMC | Raw Anchor Motor Current | | | | Details |
| RAMCO | Ramco Energy plc UK | | | | Details |
| RASCEIO | Perform, Accountable, Support, Consult, Execute, Inform, Overview | | | | Details |
| RASCI | Responsible, Accountable/approver, Support, Informed, Control | | | | Details |
| RASHPETC | Rashed Oil Company Egypt and others | | | | Details |
| RASIC | Responsible, Accountable/approver, Support, Informed, Control | | | | Details |
| RAT(C,O) | CarbonOxygenRatio | | | | Details |
| RAT(CMP,SHR) | CompressionalShearRatio | | | | Details |
| RAT(SHR,CMP) | ShearCompressionalRatio | | | | Details |
| RBC | Rig Bar Chart | | | | Details |
| RBHC | Ratio Borehole Compensated | | | | Details |
| RC | Reservoir Charactrization | | | | Details |
| RC | Route Cause | | | | Details |
| RC | rapid curing | | | | Details |
| RC | Red Cave | | | | Details |
| RC | remote control | | | | Details |
| RC | reverse circulation | | | | Details |
| RC | running casing | | | | Details |
| RC | Reference Check | | | | Details |
| RC | Reserve Class | | | | Details |
| RC | Reflection Coefficient | | | | Details |
| RC | Reference Case | | | | Details |
| RC | Reference Case (p50 or best case) | | | | Details |
| RC01 | Conductivity, Azimuth 1 | | | | Details |
| RC02 | Conductivity, Azimuth 2 | | | | Details |
| RC03 | Conductivity, Azimuth 3 | | | | Details |
| RC04 | Conductivity, Azimuth 4 | | | | Details |
| RC05 | Conductivity, Azimuth 5 | | | | Details |
| RC06 | Conductivity, Azimuth 6 | | | | Details |
| RC07 | Conductivity, Azimuth 7 | | | | Details |
| RC08 | Conductivity, Azimuth 8 | | | | Details |
| RC09 | Conductivity, Azimuth 9 | | | | Details |
| RC1 | Raw Caliper 1 | | | | Details |
| RC1 | Reserve Class 1 | | | | Details |
| RC10 | Conductivity, Azimuth 10 | | | | Details |
| RC11 | Conductivity, Azimuth 11 | | | | Details |
| RC12 | Conductivity, Azimuth 12 | | | | Details |
| RC2 | Raw Caliper 2 | | | | Details |
| RC2 | Reserve Class 2 | | | | Details |
| RC3 | Reserve Class 3 | | | | Details |
| RC4 | Reserve Class 4 | | | | Details |
| RC5 | Reserve Class 5 | | | | Details |
| RC6 | Reserve Class 6 | | | | Details |
| RCA | Root Cause Analysis | | | | Details |
| RCA1 | Raw Caliper 1 | | | | Details |
| RCA2 | Raw Caliper 2 | | | | Details |
| RCAL | Routine Core Analysis | | | | Details |
| RCAL | Raw CALI | | | | Details |
| RCAL_TL | Raw Caliper | | | | Details |
| RCAQ | Combinable Shot Seismic Tool Raw Caliper | | | | Details |
| RCAS | Raw Secondary Caliper | | | | Details |
| RCBR | MCFL Raw Resistivity Buttons | | | | Details |
| RCC | Revolutionary Command Council | | | | Details |
| RCC | Reimbursable Cost Contract | | | | Details |
| RCC0 | Raw Counter Channel 0 | | | | Details |
| RCC1 | Raw Counter Channel 1 | | | | Details |
| RCC2 | Raw Counter Channel 2 | | | | Details |
| RCC3 | Raw Counter Channel 3 | | | | Details |
| RCCC | Raw CBT CCL | | | | Details |
| RCCL | Raw CCL Amplitude | | | | Details |
| RCCN | Reserves Change Control Node | | | | Details |
| RCCS | Reduced Capture Chi-Square | | | | Details |
| RCD | Rotating Control Device | | | | Details |
| RCE | Rotating Cylinder Electrode | | | | Details |
| RCEF | Raw Corrected Epithermal Far Counts | | | | Details |
| RCEN | Raw Corrected Epithermal Near Counts | | | | Details |
| RCF | Reservoir Cubic Feet | | | | Details |
| RCFA | root cause failure analysis | | | | Details |
| RCFE | Raw Capture Iron Yield | | | | Details |
| RCFT | Raw Corrected Thermal Far Counts | | | | Details |
| RCG | Rate Calculation Guideline | | | | Details |
| RCH | Rotating Control Head | | | | Details |
| RCHF | Low Frequency Channel Flag | | | | Details |
| RCI | Reservoir Characterization Instrument | | | | Details |
| RCI | Reservoir Charactization Instrument (logging tool) | | | | Details |
| RCI | Reservoir Characterisation Instrument | | | | Details |
| RCI | Reservoir Characterization Instrument | | | | Details |
| RCIF | Residual Capture Inelastic Fit for | | | | Details |
| RCJB | ReCirculating Junk Basket | | | | Details |
| RCKST | Rig Checkshot | | | | Details |
| RCL | Retainer Correlation Log | | | | Details |
| RCL | Resistivity of Clay | | | | Details |
| RCM | Reclaimed concrete material | | | | Details |
| RCM | Reliability Centred Maintenance | | | | Details |
| RCM | recirculating mixer | | | | Details |
| RCM | Reliability Centered Maintenance | | | | Details |
| RCMD | Raw Coring Motor Downhole Voltage | | | | Details |
| RCMD_DL | Raw Coring Motor Downhole Voltage | | | | Details |
| RCnBR | Rudist, Caprinid, Boundstone-Rudstone | | | | Details |
| RCNT | Raw Corrected Thermal Near Counts | | | | Details |
| RCNU | Raw Core Number | | | | Details |
| RCO | returning circulation oil | | | | Details |
| RCOR | Rotary Sidewall Coring Tool | | | | Details |
| RCOR | Rotary Coring Tool | | | | Details |
| RCOW | Contact Resistance W | | | | Details |
| RCOX | Contact Resistance X | | | | Details |
| RCOY | Contact Resistance Y | | | | Details |
| RCOZ | Contact Resistance Z | | | | Details |
| RCP | resin coated proppant | | | | Details |
| RCP | Rate contrtolled Production | | | | Details |
| RCP | Resource Capacity Planning | | | | Details |
| RCpBF | Rudist, Caprotinid, Boundstone | | | | Details |
| RCPT | receptacle | | | | Details |
| RCR | Remote Component Replacement (Tool) | | | | Details |
| RCR | Remote Component Replacement(Tool) | | | | Details |
| RCR | Ramsbottom Carbon Residue | | | | Details |
| RCR | reverse circulation rig | | | | Details |
| RCRA | Recourse Conservation and Recovery Act | | | | Details |
| RCRA | Resource Conservation and Recovery Act | | | | Details |
| RCRA | RAW Centralizer Radius | | | | Details |
| RCRA_DL | RAW Centralizer Radius | | | | Details |
| RCS | resin coated sand | | | | Details |
| RCS | Remote Close Shoes | | | | Details |
| RCS | Reservoir Characterization Study | | | | Details |
| RCSC | Reservoir Characterization and Simulation Conference | | | | Details |
| RCSC | Ratio of Calculated Shear to Compression | | | | Details |
| RCSSP | resin coated sand slurry pack | | | | Details |
| RCT | radial cutting torch, a tubing cutting tool that uses thermite plasma | | | | Details |
| RCT | Raw Cartridge Temperature | | | | Details |
| RCTN | reaction | | | | Details |
| RCTS | RCT Status | | | | Details |
| RCU | Remote Control Unit | | | | Details |
| RCVD | Received | | | | Details |
| RCVE | Raw Cable Velocity | | | | Details |
| RCVR | receiver | | | | Details |
| RCVY | recovery | | | | Details |
| RCX | Reservoir Characterization eXplorer | | | | Details |
| RCYL | recycle | | | | Details |
| RDC | Reserves Definition Committee | | | | Details |
| RDCC | DCMAIN Current | | | | Details |
| RDCR | reducer | | | | Details |
| RDCS | Ratio Wt of Dry Clay to Wt of Solids | | | | Details |
| reacd | reacidize(ed)(ing) | | | | Details |
| React | reaction(ed) | | | | Details |
| REC | Recommendation | | | | Details |
| rec | recovered | | | | Details |
| rec | recommend | | | | Details |
| rec | record(er)(ing) | | | | Details |
| rec | recover(ed)(ing), recovery | | | | Details |
| Rec, rec | recovery (-ered) | | | | Details |
| recd | received | | | | Details |
| recem | recemented | | | | Details |
| RECH | Reference Check | | | | Details |
| RECIP | reciprocate | | | | Details |
| recip | reciprocate(ing) | | | | Details |
| recirc | recirculate | | | | Details |
| RECK | Reference Check | | | | Details |
| RECL | Raw Eddy Current, Lower Array | | | | Details |
| RECN | Remote Epithermal Counts | | | | Details |
| recomp | recomplete(ed)(ion) | | | | Details |
| RECOMP | recompressor | | | | Details |
| recond | recondition(ed) | | | | Details |
| recov | Recoverable|| | Recoverable | Behebbarer | récupérable | Details |
| recov | Recoverable | | | | Details |
| recp | receptacle | | | | Details |
| RECS | Recomputed Neutron Capture Cross-section | | | | Details |
| rect | rectangle, rectangular | | | | Details |
| rect | rectifier | | | | Details |
| RECU | Raw Eddy Current, Upper Array | | | | Details |
| recy | recycle | | | | Details |
| REFC | Reflection Coefficient | | | | Details |
| REFCD | Down-going reflection coefficient channel | | | | Details |
| REFCO | Abu Dhabi Refining Company | | | | Details |
| REFCU | Up-going reflection coefficient channel | | | | Details |
| reloc | relocate(ed) | | | | Details |
| RES_MIC | Micro_Resistivity | | | | Details |
| RES_STRN_CP | Residual Strength vs. Confining Pressure | | | | Details |
| RFC | Rotating Flow Converter | | | | Details |
| RFC | Ready for Commissioning | | | | Details |
| RFC-HSE | Returns Flow Control | | | | Details |
| RFEC | Raw Far Epithermal Count Rate | | | | Details |
| RFLCT | reflect(ed)(ing)(tion) | | | | Details |
| RFOC | Calibrated Real Focus | | | | Details |
| RGCB | Ratio of Shear Modulus to Compressibility, Ratio | | | | Details |
| RGCN | Raw Gain-Corrected Near Count Rate | | | | Details |
| RHCH | Hydrocarbon Corrected Bulk Density | | | | Details |
| RHGC | RHOG Constraint Limit Channel | | | | Details |
| rhmbc | rhombic | | | | Details |
| RHMC | Raw Hydraulic Motor Current | | | | Details |
| RHOBCL | bulk density of clay | | | | Details |
| RIC | Raw Inelastic Carbon Yield | | | | Details |
| RINC | RTG or RIG Reduced Incoherence | | | | Details |
| RISC | Reduced Instruction Set Computer | | | | Details |
| RLC | road & location complete | | | | Details |
| RLCA | LDS Raw Caliper | | | | Details |
| RLCP | Raw SPST Lower Chamber Pressure | | | | Details |
| RMC | Mud Cake Resistivity | | | | Details |
| RMCA | Raw MLT Caliper | | | | Details |
| RMCF | Ramp Coefficient | | | | Details |
| RMCS | Mud Cake Resistivity | | | | Details |
| RMCS | Resistivity of Mud Cake Sample | | | | Details |
| RMIC | Micro Resistivity | | | | Details |
| RMIC | Micro Resistivity | | | | Details |
| RMLC | Request for Mineral Land Clearance | | | | Details |
| RMPC | Reservoir Maximum Production Capacity | | | | Details |
| RMSC | Delta-T Shear/Delta-T Compressional Ratio | | | | Details |
| RNCR | Raw Net Count Rate from Spectrum A | | | | Details |
| RNEC | Raw Near Epithermal Count Rate | | | | Details |
| ROACE | Return on Average Capital Employed | | | | Details |
| ROC | Reference Our Cable....(date) | | | | Details |
| ROC | Retention Of Cuttings (Mud term) | | | | Details |
| ROCE | Return on capital employed (same as ROACE, See ROACE) | | | | Details |
| ROCE | return on capital employed | | | | Details |
| ROCK | Retention Of Critical Knowledge | | | | Details |
| ROCT | Rotary Coring Tool | | | | Details |
| ROIC | Return on Invested Capital | | | | Details |
| ROMA_CPX | apparent matrix density | | | | Details |
| ROMU_CPX | clay/gas corrected matrix density | | | | Details |
| RPC | Refineria de Petroleo Concon S.A. Chile | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ Comp. Borehole | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ compensated Borehole | | | | Details |
| RPCM | Ring Pair Corrosion Monitoring | | | | Details |
| RRC | Railroad Commission | | | | Details |
| RRC | Railroad Commission (Texas) | | | | Details |
| RRCO | Contact Resistance R | | | | Details |
| RROCK | Routine Rock Properties Report | | | | Details |
| RS1C | Spinner 1 Frequency | | | | Details |
| RS1C_TL | Spinner 1 Frequency | | | | Details |
| RS2C | Spinner 2 Frequency | | | | Details |
| RS2C_TL | Spinner 2 Frequency | | | | Details |
| RSCC | Raw Shifted CCL | | | | Details |
| RSCP | Rachet-Set Compression Packer | | | | Details |
| RSCS | RSC Tool Status | | | | Details |
| RSCT | Rotary Sidewall Coring Tool | | | | Details |
| RSCT | Rotary Sidewall Coring | | | | Details |
| RSCT | Rotary Sidewall Coring (HRSCT) | | | | Details |
| RSCT | Rotary sidewall core tool | | | | Details |
| RSCU | Raw Solenoid Current | | | | Details |
| RSCU_DL | Raw Solenoid Current | | | | Details |
| RSFC | Raw SFL Current | | | | Details |
| RSNC | Borehole-corrected Short Normal | | | | Details |
| RSPC | Raw Spectrometer Data | | | | Details |
| RSPC_DL | Raw Spectrometer Data (Depth Logging) | | | | Details |
| RSRC | Raw SAT Resistivity Correlation | | | | Details |
| RSWC | Rotational Side Wall Core | | | | Details |
| RT CB | round trip changed bit | | | | Details |
| RTAC | Raw Tachometer | | | | Details |
| RTC | Rail Tank Car | | | | Details |
| RTCN | Remote Thermal CNL Counts | | | | Details |
| RTECS | Registry of Toxic Effects of Chemical Substances | | | | Details |
| RTOC | Real Time Operation Center | | | | Details |
| RTOC | Real Time Operations Center | | | | Details |
| RTOC | Ratio of Tool Operational Check | | | | Details |
| RUC | Reservoir Upside Capacity | | | | Details |
| RUCC | rig-up casing crew | | | | Details |
| RUCP | Raw SPST Upper Chamber Pressure | | | | Details |
| RUCT | rigging up cable tools or standard tools, completion tools or completion unit | | | | Details |
| RUCT | rigging-up cable tools | | | | Details |
| RV1C | Step 1 Offset for Center Electrode | | | | Details |
| RV3C | Step 3 Offset for Center Electrode | | | | Details |
| RVC | Raw Cable Voltage | | | | Details |
| RVC0 | Current Amplifier Offset in Step 0 | | | | Details |
| RVC1 | Current Amplifier Offset in Step 1.1 | | | | Details |
| RVC2 | Current Amplifier Offset in Step 2 | | | | Details |
| RWC | Restricted Work Case (see comment) | | | | Details |
| RwC | Reaming with Casing | | | | Details |
| RWC | Restricted Workday Case | | | | Details |
| RWDC | Restricted Workday Case | | | | Details |
| RXC | Regional Exploration Consultant | | | | Details |
| RYC | Reference Your Cable...(date) | | | | Details |
| S.W.C. | sidewall core | | | | Details |
| S/C | Slip and cut | | | | Details |
| S/C | speed/current | | | | Details |
| S1C | Spinner 1 | | | | Details |
| S1CC | HNGS Detector 1 Control Loop Controller | | | | Details |
| S1CH | HNGS Detector 1 High Voltage Control Loop | | | | Details |
| S1CL | HNGS Detector 1 Low Level Discriminator | | | | Details |
| S1CP | HNGS Detector 1 Pulse Shape Compensation | | | | Details |
| S1CR_200 | HNGS Detector 1 Countrate Above 200 keV | | | | Details |
| S1C_TL | Spinner 1 | | | | Details |
| S2C | Spinner 2 | | | | Details |
| S2CC | HNGS Detector 2 Control Loop Controller | | | | Details |
| S2CH | HNGS Detector 2 High Voltage Control Loop | | | | Details |
| S2CL | HNGS Detector 2 Low Level Discriminator | | | | Details |
| S2CP | HNGS Detector 2 Pulse Shape Compensation | | | | Details |
| S2CR_200 | HNGS Detector 2 Countrate Above 200 keV | | | | Details |
| S2C_TL | Spinner 2 | | | | Details |
| S7LC | SenTREE 7 Lubricator Centraliser | | | | Details |
| sa-c | salt cast (-ic) | | | | Details |
| SAARC | South Asian Association for Regional Cooperation | | | | Details |
| SABIC | Saudi Basic Industries Corporation | | | | Details |
| SABIC | Saudi Arabia Basic Industries Corporation | | | | Details |
| SABIC | Saudi Arabia Basic Industries Corporation Saudi Arabia | | | | Details |
| SAC1 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC2 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC3 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC4 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| sacc | saccharoidal | | | | Details |
| Sace | State Export and Guarantee and Insurance Company | | | | Details |
| sach | saccharoidal | | | | Details |
| Sackloch | Rat hole | | | | Details |
| SACP | Sacrificial Anode Cathodic Protection | | | | Details |
| SACROC | Scurry Area Canyon Reef Operators Committee | | | | Details |
| SACS | NPLC Spectroscopy Acquisition Control | | | | Details |
| SACS | Structural Analysis Computer System | | | | Details |
| SADCOP-MAHRUKAT | Syrian Storing and Distributing Co., Petroleum Products Syria | | | | Details |
| SAFCO | Saudi Arabian Fertilizer Company | | | | Details |
| Samarec | Saudi Arabian Marketing and Refining Company | | | | Details |
| SAMCOM | Saudi Arab Manpower Committee | | | | Details |
| SASC | Saudi Aramco Cino Ltd. | | | | Details |
| Sasco | Sohar Aluminium Smelter Company | | | | Details |
| SATSHINC | SATurdays, Sundays, Holidays INCluded | | | | Details |
| Saudi Aramco | Saudi Arabian Oil Company | | | | Details |
| SBCA | Shallow Bucking Current Attenuation | | | | Details |
| SBCC | Bound Water Saturation from Continuity | | | | Details |
| SBCP | Stage Blender Proppant Concentration | | | | Details |
| SBCR | Spectrum B Count Rate | | | | Details |
| SBCV | Bound Water Saturation Computed from Clay | | | | Details |
| SBCW | Bound Water Saturation from CWA Analysis | | | | Details |
| SBDC | Spectrum B Discriminated Count Rate | | | | Details |
| SBVC | Bulk Volume Irreducible Water for Clean | | | | Details |
| SC | Seismic Calibration | | | | Details |
| SC | Sintered Screen | | | | Details |
| SC | Super Charged | | | | Details |
| SC | Sample Connection (port on the data for example) | | | | Details |
| SC | Solids/Sand Control | | | | Details |
| SC | SAINT KITTS AND NEVIS | | | | Details |
| SC | SEYCHELLES | | | | Details |
| SC | South Carolina | | | | Details |
| SC | Standard Condition | | | | Details |
| sc | scales | | | | Details |
| SC | self-contained | | | | Details |
| SC | show condensate | | | | Details |
| SC | SC Schlucksonde über Casing | | | | Details |
| Sc | Scenario | | | | Details |
| SC | Steering Committee | | | | Details |
| SC | Steering Committee | | | | Details |
| SC | Speed Correction | | | | Details |
| sc | scales | | | | Details |
| SC DL | slip and cut drill time | | | | Details |
| SCA | Suez Canal Authority | | | | Details |
| SCA | Society of Core Analysts | | | | Details |
| SCAC | Surface Consistent Amplitude Correction | | | | Details |
| SCAC | Statistical Uncertainty in Corrected | | | | Details |
| SCAD | A Supervisory Control & Data Acquisition | | | | Details |
| SCAD | Statistical Uncertainty in Dry Weight | | | | Details |
| SCADA | Supervisory Control and Data Acquisition | | | | Details |
| SCAF | scaffolding | | | | Details |
| SCAL | Special core analysis | | | | Details |
| SCAL | LDS Caliper Status | | | | Details |
| SCAN | Scandium (SC) Tracer Count Rate Output | | | | Details |
| SCANRAFF | Skandinaviska Raffinaderi AB Sweden | | | | Details |
| SCAP | Scallops Log | | | | Details |
| Scaph | scaphopod | | | | Details |
| SCAR | DST Sample Carrier (SLB) | | | | Details |
| SCAT | Stack Catalogue | | | | Details |
| scat | scattered | | | | Details |
| scat(d) | scatter(ed) | | | | Details |
| scatt | scattered | | | | Details |
| SCAU | Scandium (SC) Uncertainty Output | | | | Details |
| SCAW | Statistical Uncertainty in Wet Weight | | | | Details |
| SCBA | Self Contained Breathing Apparatus | | | | Details |
| SCBA | Social Cost Benefit Analysis | | | | Details |
| SCBL | Synthetic CBL from Short Attenuation | | | | Details |
| SCC | Stress Corrosion Cracking | | | | Details |
| SCC | Source Classification Code | | | | Details |
| SCC | Supply Coordination Committee | | | | Details |
| SCC | Subsurface and Upstream Advisory Sub-Committee (ADNOC Sour Gas) | | | | Details |
| SCCA | Sum of Capture CA + CL + H | | | | Details |
| SCCL | Shifted Casing Collar Locator | | | | Details |
| SCCR | Spectrum C Count Rate | | | | Details |
| SCD | Speed Corrected Depth | | | | Details |
| SCDES | Sidewall Core Description | | | | Details |
| SCE | Soldis control equipment | | | | Details |
| SCE | Safety Critical Elements | | | | Details |
| SCE | Perforating-Expendable Shaped Charge | | | | Details |
| SCE | Solid Control Equipment | | | | Details |
| SCE | Solids central equipment | | | | Details |
| SCE-CC | Casing Cutter Service | | | | Details |
| Sceco | Saudi Consolidated Electric Company | | | | Details |
| SCECO | Saudi Consolidated Electrical Company | | | | Details |
| scf | standard cubic feet (of natural gas) | | | | Details |
| SCF | standard cubic feet | | | | Details |
| SCF | Standard Cubic Foot | | | | Details |
| scf, | SCF standard cubic foot | | | | Details |
| SCF/d | cubic feet per day (GeoFrame legacy unit) | | | | Details |
| SCF/STB | cubic foot per barrel (GeoFrame legacy unit) | | | | Details |
| scf/yr | standard cubic feet per year | | | | Details |
| scfd | standard cubic feet per day | | | | Details |
| scfd, | SCFD standard cubic feet per day | | | | Details |
| SCFEA | Supreme Councile of Finance & Economic Affairs | | | | Details |
| scfh, | SCFH standard cubic feet per hour | | | | Details |
| SCFIL | Structurally Consistent Filtering | | | | Details |
| scfm | standard cubic feet per minute | | | | Details |
| scfm, | SCFM standard cubic feet per minute | | | | Details |
| SCG | SERBIA AND MONTENEGRO | | | | Details |
| sch | schedule | | | | Details |
| SCH | Perforating-Hyper Jet | | | | Details |
| SCH | Basic MSI C/O Log Analysis (CHES II®) | | | | Details |
| Sch, sch | schist (-ose) | | | | Details |
| schem | schematic | | | | Details |
| SCHI | Spectral Chi-square | | | | Details |
| SCHL | Sum of Capture CL + H | | | | Details |
| Schl. | Schlumberger | | | | Details |
| Schl., | Sj Schlumberger | | | | Details |
| Schleuse | Lubricator for running | | | | Details |
| SCHLL | Schlumberger Log also SCHLO, SCHLU | | | | Details |
| Schlucksonde | Schluckbohrung | Disposal well, | | | Details |
| Schnittteufe | Cut window depth | | | | Details |
| Scholle | Block (a compartment of reservoir) Geology, | | | | Details |
| SCIRI | Supreme Council of the Islamic Revolution in Iraq | | | | Details |
| SCIS | Society for Contemporary Iranian Studies | | | | Details |
| SCKC | Statistical Uncertainty in Corrected | | | | Details |
| SCL | Strategic Cost Leadership | | | | Details |
| SCL | slickline collar locator | | | | Details |
| SCL | Sonic Caliper | | | | Details |
| SCL | Sonic Caliper Log | | | | Details |
| SCl | salinity---PPMCL | | | | Details |
| SCLSS | Slim Compensated Long Spaced Sonic | | | | Details |
| scly | securaloy | | | | Details |
| SCM | Subsea Control Module | | | | Details |
| SCM | Solenoid Control Module | | | | Details |
| SCM | Steering Comittee Meeting | | | | Details |
| SCM | Supply Chain Management | | | | Details |
| SCM(MB) | Subsea Control Module (Mounting Base) | | | | Details |
| SCMT_PARENT1 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCMT_PARENT2 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCMT_PARENT3 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCN | Sensor cartridge number for correction | | | | Details |
| SCN | Scope Change Notices | | | | Details |
| SCN1 | Small Shock counts | | | | Details |
| SCN2 | Large Shock counts | | | | Details |
| SCNL | Status of CNL | | | | Details |
| SCNT | Status of CNT | | | | Details |
| SCO | Synthetic Crude Oil | | | | Details |
| SCO | Shanghai Cooperation Organization | | | | Details |
| SCOA | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| SCOB | Standard Customer Offer Book | | | | Details |
| Scol | scolecodont | | | | Details |
| scolc | scolescodonts | | | | Details |
| SCON | Sand Consolidation | | | | Details |
| SCOPE | Step Change in Operations and Production Efficiency | | | | Details |
| SCOT | Shell Claus Off-gas Treating | | | | Details |
| SCOT | Shell Claus Off-gas Treating | | | | Details |
| SCP | Société Cherifienne des Pétroles | | | | Details |
| SCP | Summary Completion Proposal | | | | Details |
| SCP | sustained casing pressure | | | | Details |
| SCP | Salt Creep Pressure | | | | Details |
| SCP | Slow Circulating Pressure | | | | Details |
| SCPC | Saudi Chevron Petrochemical Corp. Saudi Arabia | | | | Details |
| SCPM | Supreme Council for Petroleum & Minerals Saudi Arabia | | | | Details |
| SCQR | HRDD Crystal Quality resolution from Short None | | | | Details |
| SCR | Slow Circulation Rate | | | | Details |
| SCR | Silicon-controlled rectifier | | | | Details |
| SCR | Steel Catenary Riser (subsea system component) | | | | Details |
| SCR | selective catalytic reduction | | | | Details |
| scr | scraper | | | | Details |
| scr | scratcher | | | | Details |
| scr | screen | | | | Details |
| SCR | Seychelles Rupee | | | | Details |
| SCR | Seychelles rupee | | | | Details |
| SCR | Safety Case Regulations | | | | Details |
| SCR | Slow Circulating Rates; also Silicon Controlled Rectifier | | | | Details |
| scr(d) | screw(ed) | | | | Details |
| SCR1 | Small Shock (50G) Count | | | | Details |
| SCRAMSTM | surface controlled reservoir analysis and management system | | | | Details |
| SCRO | Subsea Control Room | | | | Details |
| SCRP | Slow Circulating Rate Pressure | | | | Details |
| SCRS | Sidewall Cores | | | | Details |
| scrub | scrubber | | | | Details |
| SCS | Shop-Primed Carbon Steel | | | | Details |
| scs | scarce | | | | Details |
| SCSFS | surface controlled selective flow system | | | | Details |
| Scsg | Surfae Casing | | | | Details |
| SCSI | Small Computer Standard Interface | | | | Details |
| SCSI | Sum of Capture SI + CA + CL + H | | | | Details |
| SCSN | Sample Chamber Sample Number | | | | Details |
| SCSN_DL | Sample Chamber Sample Number | | | | Details |
| SCSP | Stage Casing Pressure | | | | Details |
| SCSS | Sample Chamber Status | | | | Details |
| SCSSSV | Surface Controlled Sub Surface Safety Valve | | | | Details |
| SCSSSV | Surface Control Sub-Surface Safety Valve | | | | Details |
| SCSSV | Surface-Controlled Subsurface Safety Valve | | | | Details |
| ScSSV | surface controlled subsurface safety valve | | | | Details |
| SCSU | Statistical Uncertainty in Excess | | | | Details |
| SCSW_SLDT | SLDT Short Spacing Composite Status Word | | | | Details |
| sctrd | scattered | | | | Details |
| SCTS | Sample Chamber Throttle Status | | | | Details |
| SCTV | Corrected tool velocity | | | | Details |
| SCU | Surface Control Unit | | | | Details |
| SCUR | Solenoid Current | | | | Details |
| SCUR_DL | Solenoid Current | | | | Details |
| SCVF | Surface Casing Vent Flow | | | | Details |
| Scw | Saturation of Connate Water | | | | Details |
| SCWR | Slim Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| SCWR | Slim Compensated Wave Resistivity | | | | Details |
| SD Ck | side door choke | | | | Details |
| SDACS | Surface Data Acquisition and Control System | | | | Details |
| SDC | Synthetic Dip Curves (1-4) | | | | Details |
| SDC | Sellers Delivery Capacity | | | | Details |
| SDCA | Additional Dip Curves | | | | Details |
| SDCG | Standard Deviation of Computed Gamma Ray - Standard_Deviation | | | | Details |
| SDCK | side door choke | | | | Details |
| sdfract | sand fractured | | | | Details |
| sdfract | sandfracked | | | | Details |
| SDHC | Secure Digital High Capacity | | | | Details |
| SDIC | Sonic Dual Induction | | | | Details |
| SDLC | Systems Development Life Cycle | | | | Details |
| SDNSC | Slim Density Neutron Standoff Caliper | | | | Details |
| sdoilfract | sand-oil fracked | | | | Details |
| sdwtrfract | sand water fractured | | | | Details |
| sdwtrfract | sand-water fracked | | | | Details |
| SDXC | Secure Digital Extended Capacity | | | | Details |
| SE NC | screw end American National Coarse thread | | | | Details |
| se/c | southeast corner | | | | Details |
| SEC | Securities and Exchange Commission | | | | Details |
| SEC | Securities Exchange Commission | | | | Details |
| sec | section | | | | Details |
| sec | secant | | | | Details |
| sec | second(ary) | | | | Details |
| sec | secretary | | | | Details |
| sec | Second Data | | | | Details |
| SEC | second | | | | Details |
| SEC | United States Securities and Exchange Commission | | | | Details |
| SEC | Secondary | | | | Details |
| SEC | Size-exclusion chromatography | | | | Details |
| SEC | Security and Exchange Commission | | | | Details |
| sec | secondary | | | | Details |
| SEC-CC | Tubing, Cutter Service | | | | Details |
| SECA | Societe Europeenne des Carburants Belgium | | | | Details |
| seca | millisecond (angle) | | | | Details |
| seca | second (angle) | | | | Details |
| SECGU | Section Gauge Log | | | | Details |
| SECOND | second | | | | Details |
| SECONDS | second | | | | Details |
| SECT | section(s)(al)(ing) | | | | Details |
| SECWA | State Energy Commission of Western Australia Australia | | | | Details |
| SELECT | selection(tive)(tor) | | | | Details |
| SELFDISCH | SelfDischarger | | | | Details |
| SEOCMY | SapuraOMV Upstream (Oceania) Sdn. Bhd. | | | | Details |
| SEPAC | Small Explorers and Producers Association of Canada | | | | Details |
| SEREPCA | Societe Elf de Recherches et d’Exploitation des Petroles au Cameroun Cameroon | | | | Details |
| SERVICES | SCHLUMBERGER WELL | | | | Details |
| SFAC | Salt Facies | | | | Details |
| SFBC | SFL Borehole Corrected Resistivity | | | | Details |
| SFC | Sand Face Completion | | | | Details |
| sfc | surface | | | | Details |
| SFC | SFL Current | | | | Details |
| SFCP | SFL Current Plus Measurement | | | | Details |
| SFCZ | SFL Current Zero Measurement | | | | Details |
| SFEC | Statistical Uncertainty in Corrected | | | | Details |
| SFFC | RST Sigma Formation Far Corrected | | | | Details |
| SFNC | RST Sigma Formation Near Corrected | | | | Details |
| SFTC | Sonde Temperature Output | | | | Details |
| SG&C | show gas & condensate | | | | Details |
| SG&C | show gas and condensate | | | | Details |
| SGC | Southern Gas Corridor | | | | Details |
| SGC | SGP Parabolic Coefficient | | | | Details |
| SGC | show gas & condensate | | | | Details |
| SGC | show gas and condensate | | | | Details |
| SGCM | gas cut mud slightly | | | | Details |
| SGCM | slightly gas-cut mud | | | | Details |
| SGCM | slight gas cut mud | | | | Details |
| SGCO | gas cut oil | | | | Details |
| SGCO | slightly gas-cut oil | | | | Details |
| SGCSW | slightly gas cut salt water | | | | Details |
| SGCSW | slightly gas-cut salt water | | | | Details |
| SGCW | slightly gas cut water | | | | Details |
| SGCW | slightly gas-cut water | | | | Details |
| SGCW | slight gas cut water | | | | Details |
| SGCWB | slightly gas cut water blanket | | | | Details |
| SGCWB | slightly gas-cut water blanket | | | | Details |
| SGCWC | slight gas cut water cushion | | | | Details |
| SGCWC | slightly gas-cut water cushion | | | | Details |
| SGDC | Statistical Uncertainty in Corrected | | | | Details |
| SGS-C | Spectral Gamma Sonde | | | | Details |
| SGXC | Corrected gravity X-axis reading | | | | Details |
| SGYC | Corrected gravity Y-axis reading | | | | Details |
| SGZC | Corrected gravity Z-axis reading | | | | Details |
| SG_PRES_COEF | Strain Gauge Pressure Coefficients | | | | Details |
| SG_TEMP_COEF | Strain Gauge Temperature Coefficients | | | | Details |
| SHC1 | Stack Catalogue 1 For DSAB | | | | Details |
| SHC2 | Stack Catalogue 2 For DSAB | | | | Details |
| SHC3 | Stack Catalogue 3 For DSAB | | | | Details |
| SHC4 | Stack Catalogue 4 For DSAB | | | | Details |
| SHC5 | Stack Catalogue 5 For DSAB | | | | Details |
| SHCKLEVL | Shock_Level | | | | Details |
| SHCKRATE | Shock_Rate | | | | Details |
| SHINC | Sundays, Holidays Included | | | | Details |
| SHOCK | Shcok Log | | | | Details |
| SHRC_SLDT | SLDT Short Spacing HV Reference Channel | | | | Details |
| SHSC | APS Statistical Uncertainty in Array | | | | Details |
| SHXC | Corrected magnetic X-axis reading | | | | Details |
| SHYC | Corrected magnetic Y-axis reading | | | | Details |
| SHZC | Corrected magnetic Z-axis reading | | | | Details |
| SIC2 | SIGM Corrected #2 | | | | Details |
| SICD | Statistical Uncertainty in Dry Weight | | | | Details |
| SICP | Shut-In Casing Pressure | | | | Details |
| SICP | shut in casing pressure | | | | Details |
| SICP | shutin casing pressure | | | | Details |
| SICP | Suez Oil Company Egypt and others | | | | Details |
| SICW | Statistical Uncertainty in Wet Weight | | | | Details |
| sidc | sideritic | | | | Details |
| Sidpec | Sidi Kerir Petrochemicals Company | | | | Details |
| SIGC | Sigma Correction | | | | Details |
| SIGC_SL | Sigma Correction | | | | Details |
| SIG_PROC_ERR | Signal Processing Error | | | | Details |
| silc | siliceous | | | | Details |
| silic | silica, siliceous | | | | Details |
| SIMCON | Simultaneous Construction | | | | Details |
| SINOPEC | Chinese Petroleum and Chemical CorporationChina | | | | Details |
| SIPC | Saudi International Petrochemicals Co. Saudi Arabia | | | | Details |
| SIPOC | Supplier Input Process Output Customer | | | | Details |
| SISCO | Saudi Industrial Services Company | | | | Details |
| SIVCG | Saudi Industrial Venture Capital Group | | | | Details |
| SL-CC | Slick Line Corrosion Coupon retrieval | | | | Details |
| SL-CCR | Slick Line Corrosion Coupon retrieval | | | | Details |
| SL-SC | Slick Line Scale Check | | | | Details |
| SLACK | delay in project management task that does not impose delay to whole project | | | | Details |
| SLC | Shell Leadership Challenge | | | | Details |
| SLC | steel line correction | | | | Details |
| SLCC | Slick Line Corrosion Coupon retrieval | | | | Details |
| SLCCR | Slick Line Corrosion Coupon retrieval | | | | Details |
| SLIC | Selective Lateral Intervention Completion | | | | Details |
| Slick, slick | slickenside (-d) | | | | Details |
| SLNCR | silencer | | | | Details |
| SLPRC | Sierra Leone Petroleum Refining Co. Ltd. Sierra Leone | | | | Details |
| SLSC | Slick Line Scale Check | | | | Details |
| SMAC | Specific, Measurable, Achievable and Challenging (for personal targets) | | | | Details |
| SMEC | Smectite | | | | Details |
| SMG_CP | Shear Modulus vs. Confining Pressure | | | | Details |
| SMPC | Subsea Multiphase Pump: Pump, which can increase flowrate and pressure of the untreated wellstream | | | | Details |
| SNCR | selective non-catalytic reduction | | | | Details |
| SNDC | Sand Control | | | | Details |
| SNEPCo | Shell Nigeria Exploration and Production Company | | | | Details |
| SNOC | Seychelles National Oil Co. Ltd. Seychelles | | | | Details |
| SNTC | Schlumberger Norway Technology Center | | | | Details |
| SO&GCM | slightly oil & as cut mud | | | | Details |
| SO&GCM | slightly oil- and gas-cut mud | | | | Details |
| SOC | Shell Only Cost (for Shell account) | | | | Details |
| SOC | screen only completion | | | | Details |
| SOC | start of cycle | | | | Details |
| SOC | Sirte Oil Company Libya | | | | Details |
| Socal | Standard Oil Company of California | | | | Details |
| Socar | State Oil Company of Azerbaijan | | | | Details |
| SOCAR | State Oil Company of the Azerbaijan Republic Azerbaijan | | | | Details |
| SOCDET | Sydney Oil Co. Drilling & Exploration Australia | | | | Details |
| SOCIR | Societe Congo-Italianne de Raffinage Dem. Rep. of the Congo | | | | Details |
| SOCM | oil cut mud slightly oil cut | | | | Details |
| SOCM | slight oil-cut mud | | | | Details |
| SOCM | slight oil cut mud | | | | Details |
| SOCMI | synthetic organic chemical manufacturing industry | | | | Details |
| SOCMI | Synthetic Organic Chemical Industry | | | | Details |
| SOCO | Single most overruling communication objective | | | | Details |
| Socony | Standard Oil Company of New York | | | | Details |
| socsw | salt water slightly oil cut water | | | | Details |
| SOCSW | slight oil-cut salt water | | | | Details |
| socw | slightly oil cut water | | | | Details |
| SOCW | slight oil-cut water | | | | Details |
| SOCW | slight oil cut water | | | | Details |
| SOCWB | slightly oil cut water blanket | | | | Details |
| SOCWB | slight oil-cut water blanket | | | | Details |
| SOCWC | slightly oil cut water cushion | | | | Details |
| SOCWC | slight oil-cut water cushion | | | | Details |
| SOGCM | slightly oil & as cut mud | | | | Details |
| SOGCM | slightly oil- and gas-cut mud | | | | Details |
| SOHIC | Stress-oriented Hydrogen-induced Cracking | | | | Details |
| SOHIC | Stress Oriented Hydrogen Induced Cracking | | | | Details |
| SOMC | Hydrocarbon Integration in V-V*Feet | | | | Details |
| somct | somastic coated | | | | Details |
| SONACOL | Sociedad Nacional de Oleoductos Ltda. Chile | | | | Details |
| SONACPP | Societe Nationale de Commercialisation des Produits Petrolieres Benin | | | | Details |
| SONATRACH | Entreprise Nationale Sonatrach Algeria | | | | Details |
| SONCB | Sonic Calibration Log | | | | Details |
| SOPC | Suez Oil Processing Company Egypt | | | | Details |
| SORC | Sharjah Oil Refining Company | | | | Details |
| SPAC | Marker Spacing | | | | Details |
| SPARC | Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| SPC | Spill prevention and control | | | | Details |
| SPC | Supreme Petroleum Council | | | | Details |
| SPC | Syrian Petroleum Co. Syria | | | | Details |
| SPC | Singapore Petroleum Company Ltd. Singapore | | | | Details |
| SPC | Societe Cherifienne des Petroles Morocco | | | | Details |
| SPC | Baseline Shifted Spontaneous Potential | | | | Details |
| SPC BVI | Sonatrach Petroleum Corp. British V.I. | | | | Details |
| SPCAN | Special core analysis | | | | Details |
| SPCC | spill prevention control and countermeasures | | | | Details |
| SPCC | PLAN Spill Prevention Control and Countermeasure Plan | | | | Details |
| SPCD | PCD Status | | | | Details |
| SPCF | second per cubic foot | | | | Details |
| SPCF | Speed Correction Factor | | | | Details |
| spcl | special | | | | Details |
| spcr | spacer | | | | Details |
| SPCT | Spectral | | | | Details |
| SPCT | Spectrometer Transmittance Data | | | | Details |
| SPCT_DL | Spectrometer Transmittance Data (Depth | | | | Details |
| SPCU | Subsea Power and Control Unit | | | | Details |
| SPDC | Saudi Petrochemical Development Company | | | | Details |
| SPDC | Spectrometer Dark Calibration Data | | | | Details |
| SPDC_DL | Spectrometer Dark Calibration Data (Depth | | | | Details |
| spec | specification | | | | Details |
| SPEC-B | SlimPulse Retrievable MWD Tool | | | | Details |
| SPEC-D | SlimPulse Retrievable MWD Tool | | | | Details |
| speck | speckled | | | | Details |
| SpectraS | SpectraScan - spectral gamma ray | | | | Details |
| Spectrum | A Function of Frequency | | | | Details |
| spic | spicule(ar) | | | | Details |
| SPIC | Southern Petrochemical Industries Corp. Ltd. India | | | | Details |
| Spic, spic | spicule | | | | Details |
| spl cham | sample chamber | | | | Details |
| SPMC | Single-Phase Multisample Module (MDT sample bottle) (see comment!) | | | | Details |
| SPOC | Single Point of Contact | | | | Details |
| SPSC | Spectrometer Source Calibration Data | | | | Details |
| SPSC_DL | Spectrometer Source Calibration Data | | | | Details |
| sq cg | squirrel cage | | | | Details |
| sq cm | square centimeter | | | | Details |
| SRBC | Susquehanna River Basin Commission | | | | Details |
| SRC | Slow Circulating Rate. | | | | Details |
| SRC | SAT Resistivity Correlation | | | | Details |
| SRCO | Synthetic Ratio Carbon/Oxygen | | | | Details |
| SREC | Seismic Record Log | | | | Details |
| SRec | Slot Recovery | | | | Details |
| SRVC | Service Company | | | | Details |
| SRVC | SERVICE COMPANY | | | | Details |
| SS and C | Same Sea and Country coast | | | | Details |
| SSC | Sulfide Stress Cracking | | | | Details |
| SSC | Sulphide Stress Cracking | | | | Details |
| SSC | stress sulfide cracking Occurs when metal is in tension and exposed to H2S and water Generates atomic hydrogen Hydrogen moves between grains of the metal Reduces metal ductility | | | | Details |
| SSCC | Sulphide Stress Corrosion Cracking | | | | Details |
| SSCC | LDS Short-Spaced Channel Control Word | | | | Details |
| SSCD | Statistical Uncertainty in Dry Weight | | | | Details |
| SSCN | ISONIC Shock Counts | | | | Details |
| SSCP | Subsea Cryogenic Pipeline | | | | Details |
| SSCP | LDS Short-Spaced Cesium Peak Location | | | | Details |
| SSCP_SLDT | Short Spacing Compensated Pulses | | | | Details |
| SSCR | Shaped Steel Caternary Riser | | | | Details |
| SSCS | Subsea Control System | | | | Details |
| SSCS | LDS Short-Spaced Board Counter SLM Status | | | | Details |
| SSCSV | Sub Surface Control Safety Valve | | | | Details |
| SSCW | Statistical Uncertainty in Wet Weight | | | | Details |
| SSDC | Short Spacing Dead Time Clock | | | | Details |
| SSHINC | Saturdays, Sundays, Holidays INCluded | | | | Details |
| SSIC | Statistical Uncertainty in Corrected | | | | Details |
| SSPC | Sinopec SenMei (Fujian) Petroleum Co. Ltd. | | | | Details |
| SSUC | Statistical Uncertainty in Corrected | | | | Details |
| SSWC | Critical Water Saturation from Sidewall | | | | Details |
| ST&C | short thread and coupled, a connection description | | | | Details |
| ST&C | short threads & coupling | | | | Details |
| Stach | stachyode | | | | Details |
| STATCAN | Statistics Canada ex Dominion, Bureau of Statistics (DBS) | | | | Details |
| STB/MMSCF | standard barrel per million standard cubic feet | | | | Details |
| STC | STC Log | | | | Details |
| STC | Saudi Telecommunications Company | | | | Details |
| STC | Steering Committee | | | | Details |
| STC | Short Term Contract | | | | Details |
| STC | short thread and coupled, a connection description | | | | Details |
| STC | short threads & coupling | | | | Details |
| STCD | Slowness Time Coherence Data | | | | Details |
| stcky | sticky | | | | Details |
| SteuSchl | Steuerschlüssel | | | | Details |
| STFC | Sonde Temperature Output/Constant | | | | Details |
| STHC | APS Standoff Porosity Hole Size Correction Porosity_Correction | | | | Details |
| STIM-CT | Stimulation Coiled Tubing | | | | Details |
| STIMCT | Stimulation Coiled Tubing | | | | Details |
| STNC | Statistical Uncertainty in Corrected | | | | Details |
| stncl(d)(g) | stencil(ed)(ing) | | | | Details |
| STPC | APS Corrected Standoff Porosity | | | | Details |
| struc | structure, structural | | | | Details |
| suc | sucrose, sucrosic | | | | Details |
| suc | sucrosic | | | | Details |
| suc | sucrosic | | | | Details |
| Suco | Suez Oil Company | | | | Details |
| SUCO | Suez Oil CompanyEgypt | | | | Details |
| sucr | sucrosic | | | | Details |
| suct | suction | | | | Details |
| svc | service | | | | Details |
| SVC | El Salvador Colon | | | | Details |
| SVC | El Salvador colon | | | | Details |
| svcu | service unit | | | | Details |
| sw/c | southwest corner | | | | Details |
| SWC | Side Wall Core | | | | Details |
| SWC | Standard Well Catalogue | | | | Details |
| Swc | Connate Water saturation (Residual water saturation) | | | | Details |
| Swc | Connate Water | | | | Details |
| SWC | Sidewall Coregun | | | | Details |
| SWC | Sidewall Coring Gun | | | | Details |
| SWC | sidewall cores | | | | Details |
| SWC | Corgun | | | | Details |
| SWC | Sidewall Coring | | | | Details |
| SWC | Sidewall Corgun | | | | Details |
| SWC | Saturation of Water Cased Hole | | | | Details |
| SWC | Sidewall core | | | | Details |
| SWCC | Saline Water Conversion Corporation | | | | Details |
| swcm | salt water cut mud | | | | Details |
| SWCM | saltwater-cut mud | | | | Details |
| SWCM | Water Saturation - Capture Mode | | | | Details |
| SWCO | Water Saturation from GST Carbon/Oxygen | | | | Details |
| SWCR | Critical Water Saturation | | | | Details |
| SWFRACT | sand water fractured | | | | Details |
| SW_CPX | Formation Water Saturation <=1.0 | | | | Details |
| SYC | SEYCHELLES | | | | Details |
| Syc | Sycamore | | | | Details |
| SYCOPOL | Oil Spill Control Assn. of France France | | | | Details |
| SYNSCP | synchroscope | | | | Details |
| SZAFCO | South Zaafarana Oil Company | | | | Details |
| T&BC | top & bottom chokes | | | | Details |
| T&BC | top and bottom chokes | | | | Details |
| T&C | Terms & Conditions of a contract | | | | Details |
| T&C | threaded and coupled | | | | Details |
| T&C | topping and coking | | | | Details |
| T&C | Terms and conditions | | | | Details |
| T/C | tank car | | | | Details |
| T/C | turbine compressor | | | | Details |
| T/C | Tubing / Casing | | | | Details |
| T/C | Time Charter | | | | Details |
| TAC | Tubing Anchor | | | | Details |
| TACH | tachometer | | | | Details |
| TACH | Tachometer | | | | Details |
| TACT | DSST Telemetry Activity | | | | Details |
| TAIC | The Arab Investment Company | | | | Details |
| TBC | To Be Confirmed | | | | Details |
| TBC | To Be Continued | | | | Details |
| TBC | To Be Completed | | | | Details |
| TBC | top & bottom chokes | | | | Details |
| TBC | top and bottom chokes | | | | Details |
| TC | (T/C)Time Charter | | | | Details |
| TC | Temporary Contract (Consultants, Lump sum package) | | | | Details |
| TC | TURKS AND CAICOS ISLANDS | | | | Details |
| TC | time constant | | | | Details |
| TC | tubing choke | | | | Details |
| TC | temperature controller | | | | Details |
| TC | tool closed | | | | Details |
| TC | top choke | | | | Details |
| TC | Temporary Container | | | | Details |
| TC | Type Curve | | | | Details |
| TC | Travelling cylinder | | | | Details |
| TC | Triple Completion | | | | Details |
| TC | Talent Challenge | | | | Details |
| TC | Technology Council | | | | Details |
| TC | Tech Center | | | | Details |
| TC | Tubing Check | | | | Details |
| TC | Thamama Center (a devision/department in ADNOC) | | | | Details |
| TC | Terms & Conditions of a contract | | | | Details |
| TC | threaded and coupled | | | | Details |
| TC | topping and coking | | | | Details |
| TC | Terms and conditions | | | | Details |
| TC01 | Temperature Channel 01 | | | | Details |
| TC02 | Temperature Channel 02 | | | | Details |
| TC03 | Temperature Channel 03 | | | | Details |
| TC04 | Temperature Channel 04 | | | | Details |
| TC05 | Temperature Channel 05 | | | | Details |
| TC06 | Temperature Channel 06 | | | | Details |
| TC07 | Temperature Channel 07 | | | | Details |
| TC08 | Temperature Channel 08 | | | | Details |
| TC09 | Temperature Channel 09 | | | | Details |
| TC10 | Temperature Channel 10 | | | | Details |
| TC11 | Temperature Channel 11 | | | | Details |
| TC12 | Temperature Channel 12 | | | | Details |
| TC13 | Temperature Channel 13 | | | | Details |
| TC14 | Temperature Channel 14 | | | | Details |
| TC15 | Temperature Channel 15 | | | | Details |
| TC2S | 0.0001 square centimeter per second | | | | Details |
| TCA | Total Corrosion Allowance | | | | Details |
| TCA | TURKS AND CAICOS ISLANDS | | | | Details |
| TCAF | Total Counts Analyzed Far | | | | Details |
| TCAF_SL | Total Counts Analyzed Far | | | | Details |
| TCAL | Through-Tubing (X-Y) Caliper Log | | | | Details |
| TCAN | Total Counts Analyzed Near | | | | Details |
| TCAN_SL | Total Counts Analyzed Near | | | | Details |
| TCAR | Temperature Cartridge | | | | Details |
| TCC | tag closed cup(flash) | | | | Details |
| TCC | thermofor catalytic cracking | | | | Details |
| TCC | tubing and casing cutter | | | | Details |
| TCC | Techno-Commercial Committee | | | | Details |
| TCD | CHAD | | | | Details |
| TCDL | LDS Long-Spaced Total Downhole Countrate | | | | Details |
| TCDS | LDS Short-Spaced Total Downhole Countrate | | | | Details |
| tce | tonne of coal equivalent | | | | Details |
| TCF | Temperature Correction Factor | | | | Details |
| TCF | Temporary Construction Facilities | | | | Details |
| TCF | Trillion Cubic Feet (of gas) | | | | Details |
| TCF | Trigger Charge Firing Head | | | | Details |
| TCF | Trillion Cubic Feet | | | | Details |
| Tcf | Trillion cubic feet of natural gas | | | | Details |
| Tcf, | TCF trillion cubic feet | | | | Details |
| Tcf/d | TCF/D trillion cubic feet per day | | | | Details |
| TCFD | Total Counts Far Detector | | | | Details |
| TCFD | Task Force on Climate Financial Disclosure | | | | Details |
| TCFD_SL | Total Counts Far Detector | | | | Details |
| TCFe | TCFe: trillion cubic feet equivalent | | | | Details |
| TCFG | Trillion cubic feet of natural gas | | | | Details |
| TCFG | thousand cubic feet of gas | | | | Details |
| TCG | Temporary Container Gebaude | | | | Details |
| TCH | Temperature Calibration High | | | | Details |
| TCH_SL | Temperature Calibration High - Station Log None | | | | Details |
| TCI | Tunsgten Carbide Insert (a type of rollercone drillbit) | | | | Details |
| TCI | Telecommunications Company of Iran | | | | Details |
| TCL | Tubing conveyed logging run | | | | Details |
| TCL | Tech Center & Laboratory | | | | Details |
| TCL | Temperature Calibration Low | | | | Details |
| TCL | Tubing conved logging Run | | | | Details |
| TCL_SL | Temperature Calibration Low - Station Log | | | | Details |
| TCM | Technical Committee Meeting | | | | Details |
| TCND | Total Counts Near Detector | | | | Details |
| TCND_SL | Total Counts Near Detector | | | | Details |
| TCO | Total Cost of Operations | | | | Details |
| TCO | Total Cost of Ownership | | | | Details |
| tCO2eq | Tones of CO2 equivalent | | | | Details |
| TCoO | Total cost of Ownership | | | | Details |
| TCoO | Total Cost of Ownership | | | | Details |
| TCP | Tubing Conveyed Perforating | | | | Details |
| TCP | Time Charter Party | | | | Details |
| TCP | Tubing Conveyed Perforations | | | | Details |
| TCP | tricresyl phosphate | | | | Details |
| TCP | Trans-Canada Pipe Lines Ltd. | | | | Details |
| TCP | Total Cumulative Production | | | | Details |
| TCP | Toolpusher’s Control Panel | | | | Details |
| TCP guns | Tubing con | | | | Details |
| TCP/IP | Transmission Control Protocol / Internet Protocol | | | | Details |
| TCPD | Tubing-Conveyed Perforating Depth | | | | Details |
| TCR | Tubing Conveyed Release | | | | Details |
| TCR | Tolerable collision risk | | | | Details |
| TCRL | LDS Long-Spaced Total Countrate | | | | Details |
| TCRS | LDS Short-Spaced Total Countrate | | | | Details |
| TCRT | Temperature Cartridge | | | | Details |
| TCS | Time Circulation Stopped | | | | Details |
| TCS | Time Circulation Stopped | | | | Details |
| TCSC | Through Tubing Caliper Sonde - C | | | | Details |
| TCSH | Thru Tubing Caliper Shift (PLT) | | | | Details |
| TCSW_SLDT | SLDT Tool Composite Status Word | | | | Details |
| TCT | Time Charter Trip | | | | Details |
| TCT | true crystallization temperature | | | | Details |
| TCU | Thermal Combustion Unit | | | | Details |
| TCV | temperature control valve | | | | Details |
| TCV | Total Calculated Volume | | | | Details |
| TCV | Total Contract Value | | | | Details |
| TDC | Technical Design Consultants | | | | Details |
| TDC | Temporary Defeat Certificate | | | | Details |
| TDIC | Temperature Differential Indicator Controller | | | | Details |
| TDTCP | TDT CPI Log | | | | Details |
| TEC | Tubing Encapsulated Conductor (smart kit electrical umbilical) | | | | Details |
| TEC | Thamama Excellant Center (a devision/department in ADNOC) | | | | Details |
| tech | technical, technician | | | | Details |
| TECH | Technology (engineering, design) | | | | Details |
| TECHINT | Compania Technica Internacional Brazil | | | | Details |
| Technical | Information Service | | | | Details |
| TECOP | Technical Economic Commercial Organizational Politico Societal | | | | Details |
| TECOP | Technical, Economical, Commercial, Organizational, Political-Societal | | | | Details |
| TECOP | Technical Economical Commercial Organisational Political | | | | Details |
| TEFC | Totally Enclosed Fan Cooled | | | | Details |
| TEFC | totally enclosed, fan cooled | | | | Details |
| TEGC | Thermal Expansion Gas Chromatograph | | | | Details |
| TelCo | Telephone Conference | | | | Details |
| TEMPSC | Totally Enclosed Motor Propelled Survival Survival Craft | | | | Details |
| TEMP_CORR | Temperature for Pressure Correction | | | | Details |
| TEMP_CORR_DL | Temperature for Pressure Correction | | | | Details |
| Tepco | Tokyo Electric Power Company | | | | Details |
| TETCO | Texas Eastern Transmission Corp. | | | | Details |
| TFCD | Thermal Far Counts After Dolomite | | | | Details |
| TFCL | Thermal Far Counts After Limestone | | | | Details |
| TFCS | Thermal Far Counts After Sandstone | | | | Details |
| TGC | Tubular Goods Jet Cutter | | | | Details |
| TGC | Tollgate Committee | | | | Details |
| TGLC | Tollgate Light Committee | | | | Details |
| THBC | Corrected Casing Thickness | | | | Details |
| THC | TerminalHandling Cost | | | | Details |
| THC | total hydrocarbons | | | | Details |
| THC | top hole choke | | | | Details |
| THCK | Casing Thickness | | | | Details |
| THOC | Thorium (TH) Count Rate Output | | | | Details |
| TIC | temperature indicator controller | | | | Details |
| TIC | Total external investment costs | | | | Details |
| TIC | Total Installed Cost of the project | | | | Details |
| TICK | Tick Counter | | | | Details |
| TIDCO | Tamil Nadu Industrial Development Corporation | | | | Details |
| TIMC | Corrected travel time (WST) | | | | Details |
| TLC | Tough Logging Condition (logging tools will be run on pipe) | | | | Details |
| TLC | Tough Logging Conditions | | | | Details |
| TLC | Toughg logging conditions | | | | Details |
| TMC | Thousand Million Cubic feet | | | | Details |
| TMCM | Tranverse Mercator Central Meridian | | | | Details |
| TMPC | Transmediterranean Pipeline Co. Ltd. Algeria | | | | Details |
| TNCD | Thermal Near Counts After Dolomite | | | | Details |
| TNCL | Thermal Near Counts After Limestone | | | | Details |
| TNCS | Thermal Near Counts After Sandstone | | | | Details |
| TOC | Top Of Cement | | | | Details |
| TOC | Total Organic Content/Carbon | | | | Details |
| TOC | Total Organic Compound | | | | Details |
| TOC | total organic compounds | | | | Details |
| TOC | tag open cup(flash) | | | | Details |
| TOC | Tasbulat Oil Company | | | | Details |
| TOC | Total Organic Content | | | | Details |
| TOC | Transfer of Copyright | | | | Details |
| TOCP | top of cement plug | | | | Details |
| tons/cd | tons per calendar day | | | | Details |
| TOOLFC | Toolface | | | | Details |
| TOOL_VELOCITY | Tool velocity. | | | | Details |
| TORC | Thai Oil Refinery Co. Thailand | | | | Details |
| TPC | Tubing Performance Curve (same as VLP & outflow curve) | | | | Details |
| TPC | total plate count (see comment) | | | | Details |
| TPC | Turkish Petroleum Company | | | | Details |
| Tpc | pseudo-critical temperature [°R] | | | | Details |
| TPC | tubing pressure, closed | | | | Details |
| TPCC | Thorium, Potassium Crosscorrelation (NGT) | | | | Details |
| TPDC | Tanzanian Petroleum Development Corp. Tanzania | | | | Details |
| TPHC | TDT Countrate Porosity | | | | Details |
| TPIC | Turkish Petroleum International Company Ltd. Turkey | | | | Details |
| TPLC | TPL with Environmental Corrections | | | | Details |
| TPMC | Computed Matrix Time Propagation | | | | Details |
| TPOC | Turkish Petroleum Overseas Company | | | | Details |
| TPOC | Turkish Petroleum Overseas Company Turkey | | | | Details |
| TPSC | Total Pump Stroke Count | | | | Details |
| TRAC | TRAT Shale Corrected | | | | Details |
| TRACECA | The Transport Corridor Europe-Caucasus-Asia | | | | Details |
| Track | a recording of one measurement from a log | | | | Details |
| TRACL | Tractor Log | | | | Details |
| TRAJ_COMMENT | Comment on the critical point of the well | | | | Details |
| TRANSCO | Transcontinental Gas Pipe Line Corp. | | | | Details |
| TRC | Total Reportable Cases (see comment) | | | | Details |
| TRC | Takreer Research Center | | | | Details |
| TRC | temperature recorder controller | | | | Details |
| TRC | Total Recordable Cases (HSEQ) | | | | Details |
| TRCF | Total Reportable Case Frequency (see comment) | | | | Details |
| TRCF | Total Recordable Cases Frequency | | | | Details |
| TRCFR | Total Recordable Case Frequency Rate | | | | Details |
| TRCO | Contact Resistance T | | | | Details |
| TRCR | Tracer Survey | | | | Details |
| TRIC | Talk and Risk Identification Card | | | | Details |
| TRNDC | transducer | | | | Details |
| TRSCSSSV | Tubing Retrievable Surface Controlled Sub-Surface Safety Valve | | | | Details |
| TRSCSSV | tubing-retrievable, surface-controlled, subsurface safety valves (Weatherford tool) | | | | Details |
| TRSCSSV | Tubing Retrievable Surface Controlled Sub-Surface Valve | | | | Details |
| TRSSSCV | Tubing Retrievable Sub Surface Safety Control Valve | | | | Details |
| Tsc | Standard Temperature | | | | Details |
| TSC1 | Tubing Screens for Tubing Number 1 | | | | Details |
| TSC2 | Tubing Screens for Tubing Number 2 | | | | Details |
| TSC3 | Tubing Screens for Tubing Number 3 | | | | Details |
| TSC4 | Tubing Screens for Tubing Number 4 | | | | Details |
| TSC5 | Tubing Screens for Tubing Number 5 | | | | Details |
| TSCA | Toxic Substances Control Act | | | | Details |
| TSCD | TSCD Speed Corrected Depth | | | | Details |
| Tscf | Trillion standard cubic feet (gas volume) | | | | Details |
| TSCF | Total Selected Counts Far Detector | | | | Details |
| TSCF_SL | Total Selected Counts Far Detector | | | | Details |
| TSCJs | Tree Subbly Control Jumpers | | | | Details |
| TSCN | Total Selected Counts Near Detector | | | | Details |
| TSCN_SL | Total Selected Counts Near Detector | | | | Details |
| TSCV | TSCD Speed Corrected Tool Velocity | | | | Details |
| TSITC | temperature survey indicated top cement at | | | | Details |
| TT1C | Transit Time 1 (Cartridge) | | | | Details |
| TT2C | Transit Time 2 (Cartridge) | | | | Details |
| TT3C | Transit Time 3 (Cartridge) | | | | Details |
| TT4C | Transit Time 4 (Cartridge) | | | | Details |
| TT5C | Transit Time 5 (Cartridge) | | | | Details |
| TT6C | Transit Time 6 (Cartridge) | | | | Details |
| TTC | Through Tubing Conveyed | | | | Details |
| TTC | Calliper (Thru-Tubing) | | | | Details |
| TTC | through-tubing caliber | | | | Details |
| TTCO | Transit Time at Compressional Peak | | | | Details |
| TTCU | Transit Time computed uphole | | | | Details |
| TTEC | TDTP Telemetry Error Count | | | | Details |
| TTIC | Transit time integration (cumulative) | | | | Details |
| TTOC | Theoretical Top Of Cement | | | | Details |
| TUC | Temps universel coordonné | | | | Details |
| TUCC | Thorium, Uranium Crosscorrelation (NGT) | | | | Details |
| Tuck | Tucker | | | | Details |
| TUCO | Turbined Compressor | | | | Details |
| TUCP | Temperature Used to Compute SGP | | | | Details |
| TUCP_DL | Temperature Used to Compute SGP | | | | Details |
| TVDC | Time Versus Depth Curve (drilling) | | | | Details |
| Tw Cr | Twin Creek | | | | Details |
| TWC | Thick Wall Cylinder (core test) | | | | Details |
| TWC | Thick Walled Cylinder (Strength) | | | | Details |
| TWCV | Two-Way Check Valve | | | | Details |
| TX1C | Threshold Crossing 1 Count | | | | Details |
| TX2C | Threshold Crossing 2 Count | | | | Details |
| TX3C | Threshold Crossing 3 Count | | | | Details |
| TX4C | Threshold Crossing 4 Count | | | | Details |
| TX5C | Threshold Crossing 5 Count | | | | Details |
| TX6C | Threshold Crossing 6 Count | | | | Details |
| TX7C | Threshold Crossing 7 Count | | | | Details |
| TX8C | Threshold Crossing 8 Count | | | | Details |
| TXNC | Threshold Crossing Noise Count | | | | Details |
| TYC | The Yemen Company | | | | Details |
| U/C | under construction | | | | Details |
| uA/cm2 | microampere per square centimeter | | | | Details |
| UAC2 | microampere per square centimeter | | | | Details |
| UASC | United Arab Shipping Company | | | | Details |
| UBCF | barrel per million cubic feet | | | | Details |
| überschubrohre | Pipeline protection lining | Pipeline protection lining | | | Details |
| UC | upper casing | | | | Details |
| UC | Unit Conversion | | | | Details |
| uC | microcoulomb | | | | Details |
| Uc | underclay | | | | Details |
| UC33 | APS Unregulated 33v Supply Current | | | | Details |
| UCAB | Upstream Company Analytics & Benchmarking | | | | Details |
| UCAT | Upstream Company Analysis | | | | Details |
| UCAV | Ultrasonic Caliper Average | | | | Details |
| UCAZ | UCI Azimuth | | | | Details |
| UCC | Union Carbide Corporation | | | | Details |
| UCCD | SPST Upper Chamber Current Depth | | | | Details |
| UCCL | Ultrasonic CCL | | | | Details |
| UCDW | UCI Raw Waveform | | | | Details |
| UCFG | UCI Processing Flags | | | | Details |
| UCG | Underground Coal Gasification | | | | Details |
| UCH | use customer’s hose | | | | Details |
| UCHD | Uncalibrated Hole Diameter | | | | Details |
| UCI | Unique Client Identification (number) | | | | Details |
| uCi | microcurie | | | | Details |
| UCI | SPST Upper Chamber Indicator | | | | Details |
| UCIG | Index of Downhole Applied gain | | | | Details |
| UCLI | Caliper Average | | | | Details |
| UCMN | Ultrasonic Caliper Minimum Value | | | | Details |
| UCMX | Ultrasonic Caliper Maximum Value | | | | Details |
| UCP | Upstream Choke Pressure | | | | Details |
| UCP | SPST Upper Chamber Pressure | | | | Details |
| UCRW | UCI Uncalibrated Raw Waveform | | | | Details |
| UCS | Unconfined Compressive Strength/Stress (core test) | | | | Details |
| UCS | unconfined compressive strength, a measure of the formation strength form compressive tests on core | | | | Details |
| UCS | Ultimate Cash Surplus | | | | Details |
| UCS | Uniaxial Compressive Strength | | | | Details |
| UCSIP | Union des Chambres Syndicales de l’Industrie du Petrole France | | | | Details |
| UCSU | Upstream Commissioning and Start-Up | | | | Details |
| UDC | Unit Development Cost | | | | Details |
| UFC | Unit Finding Cost | | | | Details |
| UGCI | USIT Gaseous Index | | | | Details |
| UGCI_RF | USIT Gaseous Index Computed on Unflagged | | | | Details |
| UIC | Underground Injection Control | | | | Details |
| UKCS | United Kingdom Continental Shelf | | | | Details |
| ULC | Underwriters Laboratory of Canada (see comment) | | | | Details |
| ULCC | Ultra Large Crude Carrier | | | | Details |
| ULCC | Ultra Large Crude Carriers | | | | Details |
| ULCC | ultra-large crude carrier | | | | Details |
| ULCGR | Uncompressed LDC CNL Gamma Ray Log | | | | Details |
| ULCL | Upper Limit of Clay | | | | Details |
| ULSC | Umm Lulu Super Complex | | | | Details |
| UMCA | Umbilical Midline Connection Assembly | | | | Details |
| UNC | Universal Naming Convention | | | | Details |
| UNC | unified coarse thread | | | | Details |
| UNC | Uncertainty | | | | Details |
| UNCC | United Nations Compensation Commission | | | | Details |
| UNCO | Uncorrected Time Tics (WST) | | | | Details |
| unconf | underreaminq | | | | Details |
| unconf | unconformity | | | | Details |
| uncons | unconsolidated | | | | Details |
| unconsol | unconsolidated | | | | Details |
| UNCTAD | United Nations Conference on Trade and Development | | | | Details |
| UNEC | Un Economic | | | | Details |
| UNEC | Production currently uneconomic# | | | | Details |
| UNESCO | United Nations Educational, Scientific and Cultural Organization | | | | Details |
| UNFC | United Nations Framework Classification | | | | Details |
| UNFC | United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources | | | | Details |
| UNFCC | United Nations Framework Convention Climate Change | | | | Details |
| UNGC | United Nations Global Impact | | | | Details |
| UNHCR | United Nations High Commission on Refugees | | | | Details |
| Unicef | United Nations International Children Emergency Fund | | | | Details |
| UNICEF | United Nations International Children's Emergency Fund | | | | Details |
| UNIVAC | Universal Automatic Computer | | | | Details |
| UNOCAL | Union Oil of California | | | | Details |
| UNSCOM | United Nations Special Commission | | | | Details |
| UOC | Unit Operating Cost | | | | Details |
| UOCO | Union Oil Company | | | | Details |
| UPAC | International Union Of Pure and Applied Chemistry | | | | Details |
| UPC | Universal Product Code | | | | Details |
| UPC | Unit Production Cost | | | | Details |
| UPCC | Uranium, Potassium Crosscorrelation (NGT) | | | | Details |
| UPCT | Universal Perforating Correlation Tool (SLB GR & CCL combination) | | | | Details |
| UPDC | United Petroleum Development Company | | | | Details |
| URAC | Uranium (U) Count Rate Output | | | | Details |
| URC | Upstream Research Company | | | | Details |
| URCO | Contact Resistance U | | | | Details |
| USC | Unless Sooner Commenced | | | | Details |
| USCB | United Saudi Commercial Bank | | | | Details |
| USCG | U.S. Coast Guard | | | | Details |
| USCP | UpStream Choke Pressure | | | | Details |
| USEC | microsecond | | | | Details |
| USECHH | Use and Standard of Exposure of Chemicals Hazardous to Health | | | | Details |
| USFC | Under Speed Frame Counter | | | | Details |
| USPARC | Ultra Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| USSC | Umm Shaiff Super Complex | | | | Details |
| UTC | Universal Time Coordinated | | | | Details |
| UTC | Unit Technical Cost | | | | Details |
| UTC | Unit Technical Cost | | | | Details |
| UTQC | Thickness Quality Check | | | | Details |
| UUIWCTAUTC | Unless Used In Which Case Time Actually Used To Count. | | | | Details |
| v-HOCM | very heavily oil-cut mud | | | | Details |
| v.c. | very common | | | | Details |
| V0DC | DITE SFL V0 DC test | | | | Details |
| vac | vacuum | | | | Details |
| vac | vacant | | | | Details |
| vac | vacation | | | | Details |
| VAC | Variance At Completion | | | | Details |
| varic | varicolored | | | | Details |
| VBW_CPX | Volume of bound Water | | | | Details |
| VC | Value Creation | | | | Details |
| Vc | Velocity across gravel pack at perf tunnel | | | | Details |
| VC | SAINT VINCENT AND THE GRENADINES | | | | Details |
| VC | Videoconference | | | | Details |
| VC | Venture Capital | | | | Details |
| VC | Cable Voltage | | | | Details |
| VC | Value Center | | | | Details |
| VC12 | Circumferential Potential Difference C1-C2 Electric_Potential | | | | Details |
| VC23 | Circumferential Potential Difference C2-C3 Electric_Potential | | | | Details |
| VC31 | Circumferential Potential Difference C3-C1 Electric_Potential | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to Total Volume | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to | | | | Details |
| VCC1 | Isolation AMP Offset | | | | Details |
| VCC2 | Isolation AMP, D3-A3 Current | | | | Details |
| VCD | Caliper Device | | | | Details |
| VCDT | Vienna Canyon Diablo Troilite | | | | Details |
| VCEA | Volume of Clay from EPT Attenuation | | | | Details |
| VCF | Volume Correction Factor | | | | Details |
| VCF | Volume Of Clay And Feldspar | | | | Details |
| VCGR | Volume of Clay Computed from the Gamma Ray Clay_Volume_Fraction | | | | Details |
| VCHD | Volume of Clay Computed from the | | | | Details |
| Vcl | clay Volume | | | | Details |
| VCL | volume of clay | | | | Details |
| VCL | Volume of Clay | | | | Details |
| VCL | Volume of Clay | | | | Details |
| VCL | Volume of Clay Type Material Relative to | | | | Details |
| VCL1 | Volume of Clay 1 Relative to Total Volume | | | | Details |
| VCL2 | Volume of Clay 2 Relative To Total Volume | | | | Details |
| VCLA | Volume Fraction of Clay Relative to Total | | | | Details |
| VCLAY | Clay_Volume_Fraction | | | | Details |
| VCLC | Volume of Calcite Relative to Total Volume | | | | Details |
| VCLC | Volume of Calcite Relative to Total Volume Calcite_Volume_Fraction | | | | Details |
| VCL_CPX | Volume of Clay | | | | Details |
| VCM | Vinyl Chloride Monomer | | | | Details |
| VCM1 | Volume fraction of wet clay plus mineral | | | | Details |
| VCM2 | Volume fraction of wet clay plus mineral | | | | Details |
| VCND | Volume Fraction of Clay from Neutron and | | | | Details |
| VCOA | Volume of Coal Relative to Total Volume | | | | Details |
| VCOAL | Volume of Coal | | | | Details |
| VCOAL | Coal_Volume_Fraction | | | | Details |
| VCOL | Volume of Coal Relative to Total Volume | | | | Details |
| VCON | Volume fraction constant for fixed | | | | Details |
| VCP | vitrified clay pipe | | | | Details |
| VCSP | Volume of Clay Computed from the SP | | | | Details |
| VCT | SAINT VINCENT AND THE GRENADINES | | | | Details |
| VDC1 | Volume of Dry Clay #1 | | | | Details |
| VDC2 | Volume of Dry Clay #2 | | | | Details |
| VDCF | Volume Of Dry Clay Flag | | | | Details |
| VDCL | Volume of Dry Clay | | | | Details |
| VDOL_CPX | Volume of Dolomite | | | | Details |
| VELC | Compressional Velocity | | | | Details |
| VELC | Compressional Velocity | | | | Details |
| VELC | Compressional Velocity | | | | Details |
| VGC | viscosity-gravity constant | | | | Details |
| VHGCM | very heavily (highly) gas cut mud | | | | Details |
| VHGCM | very heavily(highly) gas-cut mud | | | | Details |
| VHGCSW | very heavily (highly) has cut salt water | | | | Details |
| VHGCSW | very heavily(highly) gas-cut salt water | | | | Details |
| VHGCW | very heavily (highly) gas cut water | | | | Details |
| VHGCW | very heavily(highly) gas-cut water | | | | Details |
| VHO&GCM | very_ heavily (highly) oil & gas cut mud | | | | Details |
| VHO&GCM | very heavily(highly) oil and gas-cut mud | | | | Details |
| VHO&GCSW | very_ heavily (highly) oil & gas cut salt water | | | | Details |
| VHO&GCSW | very heavily(highly) oil and | | | | Details |
| VHO&GCW | very heavily (highly) oil & gas cut water | | | | Details |
| VHO&GCW | very heavily(highly) oil and gas-cut water | | | | Details |
| VHOCM | very heavily (highly) oil cut mud | | | | Details |
| VHOCM | very heavily(highly) oil-cut mud | | | | Details |
| VHOCSW | very heavily (highly) oil cut salt water | | | | Details |
| VHOCSW | very heavily(highly) oil-cut salt water | | | | Details |
| VHOCW | very heavily (highly) oil cut water | | | | Details |
| VHOCW | very heavily(highly) oil-cut water | | | | Details |
| VHOGCM | very_ heavily (highly) oil & gas cut mud | | | | Details |
| VHOGCM | very heavily(highly) oil and gas-cut mud | | | | Details |
| VHOGCSW | very_ heavily (highly) oil & gas cut salt water | | | | Details |
| VHOGCSW | very heavily(highly) oil and | | | | Details |
| VHOGCW | very heavily (highly) oil & gas cut water | | | | Details |
| VHOGCW | very heavily(highly) oil and gas-cut water | | | | Details |
| vi sc | viscosity | | | | Details |
| VIC2 | Isolation AMP, D2-A2 Current | | | | Details |
| VINC | Value of Contribution to Incoherence of | | | | Details |
| VISC | Viscosity | | | | Details |
| VLAC | very light amber cut | | | | Details |
| VLCC | Very Large Crude Carrier | | | | Details |
| VLCC | Very Large Crude Carriers | | | | Details |
| VLCT | Theoretical Compressional Velocity | | | | Details |
| VLPC | Vertical Loop Precession Command | | | | Details |
| VLRC | Virtual Learning Reality Center | | | | Details |
| VLS_CPX | Volume of Limestone | | | | Details |
| VLTCS | Very Low Temperature Carbon Steel | | | | Details |
| VOC | Volatile Organic Compounds | | | | Details |
| VOC | volatile organic carbon | | | | Details |
| VOC | Volatile Organic Compound | | | | Details |
| VOCs | Volatile Organic Compounds | | | | Details |
| Volc, volc | volcanic rock | | | | Details |
| VPAC | Vehicle Performance & Compliance Monitor | | | | Details |
| VPC | Formation Multi-Tester | | | | Details |
| VPC | Voltage for Protection Current | | | | Details |
| VQC | Vendor Qualification criteria | | | | Details |
| VRCO | Contact Resistance V | | | | Details |
| VRRC | Voidage Replacement Ratio Compliance | | | | Details |
| VSC | volumetric subcommittee | | | | Details |
| VSCG | Volume of Shale from SGR | | | | Details |
| VSCP | Volume of Shale from Crossplot | | | | Details |
| VSCR | Volume of Shale from CNL/RT | | | | Details |
| VSCT | Vertical Section | | | | Details |
| VSEC | Vertical Section | | | | Details |
| VSGCM | very slightly gas cut mud | | | | Details |
| VSGCM | very slightly gas-cut mud | | | | Details |
| VSGCSW | very slightly gas cut salt water | | | | Details |
| VSGCSW | very slightly gas-cut salt water | | | | Details |
| VSGCW | very slightly gas cut water | | | | Details |
| VSGCW | very slightly gas-cut water | | | | Details |
| VSND_CPX | Volume of Sand | | | | Details |
| VSO&GCM | very slightly oil & gas cut mud | | | | Details |
| VSO&GCM | very slightly oil and gas-cut mud | | | | Details |
| VSO&GCSW | very slightly oil & gas cut salt water | | | | Details |
| VSO&GCSW | very slightly oil and gas-cut salt water | | | | Details |
| VSOCM | very slightly oil cut mud | | | | Details |
| VSOCM | very slightly oil-cut mud | | | | Details |
| vsocsw | very slightly oil cut salt water | | | | Details |
| VSOCSW | very slightly oil-cut salt water | | | | Details |
| vsocw | very slightly oil cut water | | | | Details |
| VSOCW | very slightly oil-cut water | | | | Details |
| VSOGCM | very slightly oil & gas cut mud | | | | Details |
| VSOGCM | very slightly oil and gas-cut mud | | | | Details |
| VSOGCSW | very slightly oil & gas cut salt water | | | | Details |
| VSOGCSW | very slightly oil and gas-cut salt water | | | | Details |
| VSPC | Volume of Shale from Potassium | | | | Details |
| VSSC | Volume of Shale from Sigmas and | | | | Details |
| VSTC | Volume of Shale from Thorium | | | | Details |
| VSUC | Volume of Shale from Uranium | | | | Details |
| VTFDC | Vertical Thickness FDC CNL Log | | | | Details |
| VTRC | Vertilog/Vertline | | | | Details |
| VVGC | Gradio Voltage Ratio Corrected For | | | | Details |
| VXCL | Volume of wet clay (dry clay and bound | | | | Details |
| W Cr | Wall Creek | | | | Details |
| W/C | Water Cushion | | | | Details |
| W/C | water cut | | | | Details |
| w/c | week commencing | | | | Details |
| W/CLR | water cooler | | | | Details |
| wac | Waiting On Cement | | | | Details |
| WACC | Weighted-average cost of capital | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WACOG | Weighted Average Cost of Gas | | | | Details |
| WACT | weight averaged catalyst temperature | | | | Details |
| WBCO | Well Bore CleanOut | | | | Details |
| WBEAC | Well Barrier Element Acceptance Criteria | | | | Details |
| WC | Watercut | | | | Details |
| WC | West Coast | | | | Details |
| WC | Wildcat well | | | | Details |
| WC | Weather Condition | | | | Details |
| WC | water cut | | | | Details |
| WC | water cushion | | | | Details |
| WC | water closet | | | | Details |
| WC | water cushion(DST) | | | | Details |
| WC | wildcat | | | | Details |
| WC | Wolfe City | | | | Details |
| WC | Working capital | | | | Details |
| WCA | Dry Weight Percent of Calcium | | | | Details |
| WCAT | Theoretical WWCA Log | | | | Details |
| WCCON | Whether Custom Cleared Or Not | | | | Details |
| WCCR | workers’ compensation claim rate | | | | Details |
| WCD | Water Cut Decreased | | | | Details |
| WCF | Weight Correction Facto | | | | Details |
| WCI | Water Cut Increased | | | | Details |
| WCI | Well Complexity Index | | | | Details |
| WCL | Waveform Correlation Length | | | | Details |
| WCL1 | Weight Percent Of Clay 1 | | | | Details |
| WCL2 | Weight Percent Of Clay 2 | | | | Details |
| WCM | water cut mud | | | | Details |
| WCM | water-cut mud | | | | Details |
| WCO | Well Control | | | | Details |
| wco | water cut oil | | | | Details |
| WCO | water-cut oil | | | | Details |
| WCO | Well Control | | | | Details |
| WCOL | Water Coloration from Optical Fluid | | | | Details |
| WCP | Well Completions & Productivity (Schlumberger) | | | | Details |
| WCPR | workers’ compensation premium rate | | | | Details |
| WCQR | Well Testing Compensated Quartz Gauge Recorder | | | | Details |
| WCS | Worst Case Scenarios | | | | Details |
| WCS | Western Canadian Select | | | | Details |
| WCS | Waveform Correlation Start | | | | Details |
| WCS | Well Control System | | | | Details |
| WCS | Wellhead Compressor System | | | | Details |
| WCs | Wellhead Compressors | | | | Details |
| WCSB | Western Canadian Sedimentary Basin | | | | Details |
| WCSU | Wet Weight Percent Corrected Sulfur | | | | Details |
| WCT | Water Cut | | | | Details |
| WCTS | water cushion to surface | | | | Details |
| WCUT | Water Cut | | | | Details |
| WCUT | Water Cut | | | | Details |
| WDC | Well Design Criteria (The basis document for designing the well) | | | | Details |
| WDC | Water Displacement Curve (models) | | | | Details |
| WEC | World Energy Council UK | | | | Details |
| WeCTOGA | West Central Texas Oil and Gas Association | | | | Details |
| WEIGHT_CP | Weights vs. Confining Pressure | | | | Details |
| Wepco | Western Desert Petroleum Company | | | | Details |
| WEPCO | Western Desert Petroleum Company Egypt | | | | Details |
| WFAC | Waveform Acoustic Log | | | | Details |
| WFAC | Wetness Factor | | | | Details |
| WFC | Warning Flag for Compressional | | | | Details |
| WGC | Wet Gas Compressor (Subsea Framo Eng) | | | | Details |
| WGC | Water Gas Contact | | | | Details |
| WHC | Well Head Compressor | | | | Details |
| WHCIP | Wellhead Closing-in Pressure | | | | Details |
| WHCIP | Wellhead Closed-in Pressure | | | | Details |
| WHCP | Well Head Control Panel | | | | Details |
| WHCP | Wellhead Control Panel | | | | Details |
| WHCS | Wellhead Control Systems | | | | Details |
| WIC | Dry Weight Percent Of Carbon | | | | Details |
| WIC | Water Injection Cumulative | | | | Details |
| WICD | Well Control Interface Document | | | | Details |
| Wich | Alb Wichita Albany | | | | Details |
| Wich | Wichita | | | | Details |
| WLC | Wireline Composite Log | | | | Details |
| WLC | Wireline core | | | | Details |
| WLC | wireline coring | | | | Details |
| WLTOHC | WaterLine-TO-HatchCoaming (distance) | | | | Details |
| WOC | Wait on Cement | | | | Details |
| WOC | Water Oil Contact (or Oil Water Contact) | | | | Details |
| WOC | waiting on cement or water oil contact | | | | Details |
| WOC | waiting on cement | | | | Details |
| WOC | Wahe Oil Company Libya | | | | Details |
| WOCR | waiting on completion rig | | | | Details |
| WOCS | Work Over Completion System | | | | Details |
| WOCT | Wait On Cement Transport | | | | Details |
| WOCT | waiting on cable or completion tools, standard tools or completion unit | | | | Details |
| WOCT | waiting on cable tools or completion tools | | | | Details |
| Wolfc | Wolfcamp | | | | Details |
| WOT&C | waiting on tank and connection | | | | Details |
| WOTC | waiting on tank and connection | | | | Details |
| WPC | Water Pollution Control | | | | Details |
| WPC | World Petroleum Congress | | | | Details |
| WPC | World Petroleum Council | | | | Details |
| WPC | Western Pressure Controls (a service company) | | | | Details |
| WPC | World Petroleum Council (formerly World Petroleum Congress) | | | | Details |
| WPC | World Petroleum Congresses UK | | | | Details |
| WPC | Wood Preservative Cresote | | | | Details |
| WPC | Water Production Cumulative | | | | Details |
| WPC | Water Production Cumulative | | | | Details |
| WPCA | Weight Percent Calcium From GST | | | | Details |
| WQC | water quality act | | | | Details |
| WQCA | Water Quality Control Act | | | | Details |
| WQCB | Water Quality Control Board | | | | Details |
| WRC | Well Rate Guideline Compliance | | | | Details |
| WRCO | Contact Resistance W | | | | Details |
| WRIC | Wire Rods in Coils | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Controlled Sub-Surface Valve | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Control SSV | | | | Details |
| WRSSSCV | Wireline Retrievable Sub Surface Safety Control Valve | | | | Details |
| WSC | Compensated Water Fraction | | | | Details |
| WSC2 | Waveform Scale Cycle 2 | | | | Details |
| WSC3 | Waveform Scale Cycle 3 | | | | Details |
| WSCA | Waveform Scale | | | | Details |
| WSCL | Well Site Core Log | | | | Details |
| WSCS | Well Services Completions Supervisor | | | | Details |
| WTAC | Well Testing & Acquisition Cabin (SLB) | | | | Details |
| WTC | Workshop & Transfer Container (SLB Abbre) | | | | Details |
| WTC | Westhollow Technology Center | | | | Details |
| wtr cush | water cushion | | | | Details |
| wtr.cush | water cushion | | | | Details |
| WWC | Well Water Cut | | | | Details |
| WWCA | Wet Weight Percent Calcium | | | | Details |
| WWCT | Well Water Cut | | | | Details |
| WWIC | Wet Weight Percent Inorganic Carbon | | | | Details |
| WWSC | Wet Weight Percent Corrected Sulfur | | | | Details |
| X-SEC | cross section | | | | Details |
| X/C | ssheX / sshinC | | | | Details |
| XAC | ASHMORE AND CARTIER ISLANDS | | | | Details |
| XC | Cross-connection, cross correlation | | | | Details |
| XC | CORAL SEA ISLANDS | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Carribean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCDTM | a brand name biopolymer | | | | Details |
| XCS | CORAL SEA ISLANDS | | | | Details |
| XFOC | XFOCUS measurement | | | | Details |
| XMAC | Cross-Multipole Array Acoustic log | | | | Details |
| XMAC | Cross-Multipole Array Acoustilog | | | | Details |
| XMAC | Acoustilog | | | | Details |
| XMAC-E | XMAC Elite (Next generation of XMAC) | | | | Details |
| XMAC-E | XMAC Elite (Next generation XMAC) | | | | Details |
| XMACE | XMAC Elite (Next generation of XMAC) | | | | Details |
| XNCR | Normalized Casing Resistance X | | | | Details |
| XPGC | Xiamen Petroleum Group Co. Ltd. China | | | | Details |
| XPHLOC | Crossplot Selection for XPHI | | | | Details |
| XRCO | Contact Resistance X | | | | Details |
| xsc | Cross-Section | | | | Details |
| XSEC | Cross Section | | | | Details |
| XTC | Extra-coat protective pipeline coating made of polyethylene or polypropylene material | | | | Details |
| XYC | XY Calliper Log (Halliburton) | | | | Details |
| XYC | XY Caliper Log | | | | Details |
| XYC | X-Y Calliper | | | | Details |
| XYCL | X-Y Caliper | | | | Details |
| YC | Your Cable | | | | Details |
| YC | Youth Committee | | | | Details |
| YGC | Yemen Gas Company | | | | Details |
| YLNGC | Yemen Liquefied Natural Gas Company | | | | Details |
| YME_CP | Young's Modulus vs. Confining Pressure | | | | Details |
| YNCR | Normalized Casing Resistance Y | | | | Details |
| YORC | Yemen Oil Refining Company | | | | Details |
| YPC | Yemen Petroleum Company | | | | Details |
| YPC | Yemen Petroleum Company Yemen | | | | Details |
| YRCO | Contact Resistance Y | | | | Details |
| YTC | Yet To Confirm | | | | Details |
| Z1CC | AGS Detector 1 Control Loop Controller | | | | Details |
| Z1CH | AGS Detector 1 High Voltage Control Loop | | | | Details |
| Z1CL | AGS Detector 1 Low Level Discriminator | | | | Details |
| Z1CP | AGS Detector 1 Pulse Shape Compensation | | | | Details |
| Z1CR_200 | AGS Detector 1 Countrate Above 200 keV | | | | Details |
| Z2CC | AGS Detector 2 Control Loop Controller | | | | Details |
| Z2CH | AGS Detector 2 High Voltage Control Loop | | | | Details |
| Z2CL | AGS Detector 2 Low Level Discriminator | | | | Details |
| Z2CP | AGS Detector 2 Pulse Shape Compensation | | | | Details |
| Z2CR_200 | AGS Detector 2 Countrate Above 200 keV | | | | Details |
| ZADCO | Zakum Development Company | | | | Details |
| ZADCO | Zakum Development Co. Abu Dhabi | | | | Details |
| ZCEN | Zinc Centroid for GST-A/IGT Spectrum | | | | Details |
| ZCOR | Density correction | | | | Details |
| ZCSP | Zero Calibration Spectrum | | | | Details |
| ZCTC | AGS Detector1-2 Coincidence Count Ratio | | | | Details |
| zcyc | Zero Coupon Yield Curve | | | | Details |
| ZDNC | Borehole Size, Mud weight corrected Density | | | | Details |
| ZnCl2 | zinc chloride | | | | Details |
| ZNCR | Normalized Casing Resistance Z | | | | Details |
| ZOC | ZUEITINA OIL COMPANY | | | | Details |
| ZRCC | Zhenhai Refining&Chemical Co. Ltd. China | | | | Details |
| ZRCO | Contact Resistance Z | | | | Details |
| µg/dscm | micrograms per dry standard cubic meter | | | | Details |
| µg/dscm | micrograms per dry standard cubic meter | micrograms per dry standard cubic meter | Mikrogramm pro trockenen Normkubikmeter | microgrammes par mètre cube standard sec | Details |
