| U | Unknown | | | | Details |
| U | upper (as qualifier) | | | | Details |
| U | Unclassified | | | | Details |
| U | Unclassified (includes Water Supply, Salt Water Disposal, ObservationWells, etc.) | | | | Details |
| U | U Stillstand wegen Unwirtschaftlichkeit | | | | Details |
| U | Volumetric Photoelectric Factor | | | | Details |
| U | Volumetric Photoelectric Factor | | | | Details |
| U | Uranium | | | | Details |
| U | Uranium_Concentration | | | | Details |
| U | Volumetric Photoelectric Factor | | | | Details |
| U&O | Up & Operational | | | | Details |
| U&O | Uncertainty & Optimization | | | | Details |
| u.a. | unter anderem|| | amongst other things | unter anderem | entre autres choses | Details |
| u.a. | unter anderem | inter alia, among others | | | Details |
| U.S.gal | gallon (U.S.) (GeoFrame legacy unit) | | | | Details |
| U.S.gal/ft | GeoFrame legacy unit | | | | Details |
| u.U. | unter Umständen | Possibly | | | Details |
| U.V.A.M. | und vieles andere mehr | and much else, and much more other things | | | Details |
| U.V.M. | und vieles andere mehr | and much else, and much more other things | | | Details |
| U/ | upper(i.e., U/Simpson) | | | | Details |
| U/C | under construction | | | | Details |
| U/G | Underground | | | | Details |
| U/L | upper and lower | | | | Details |
| U/min | Umdrehungen pro minuten | Rotation per minute | | | Details |
| U/W | used with | | | | Details |
| U/WTR | utility water | | | | Details |
| U1 | Ölausbeutefaktor (%) | Oil ultimate recovery | | | Details |
| U11F | Unit 1 Pump 1 Flowrate | | | | Details |
| U12F | Unit 1 Pump 2 Flowrate | | | | Details |
| U12V | NPLC Unregulated 12V Supply Voltage | | | | Details |
| U12Z | ECSC Unregulated 12V Supply Voltage | | | | Details |
| U15V | Unregulated 15 V Supply | | | | Details |
| U15V_DL | Unregulated 15 V Supply | | | | Details |
| U1A1 | Unit 1 Auxiliary #1 | | | | Details |
| U1A2 | Unit 1 Auxiliary #2 | | | | Details |
| U1DE | Unit 1 Density | | | | Details |
| U1PR | Unit 1 Pressure | | | | Details |
| U1TF | Unit 1 Total Flowrate | | | | Details |
| U2 | UZBEKISTAN | | | | Details |
| U2 | Erdgasausbeutefaktor (%) | gas ultimate recovery | | | Details |
| U21F | Unit 2 Pump 1 Flowrate | | | | Details |
| U22F | Unit 2 Pump 2 Flowrate | | | | Details |
| U2A1 | Unit 2 Auxiliary #1 | | | | Details |
| U2A2 | Unit 2 Auxiliary #2 | | | | Details |
| U2DE | Unit 2 Density | | | | Details |
| U2PR | Unit 2 Pressure | | | | Details |
| U2TF | Unit 2 Total Flowrate | | | | Details |
| U3 | Lösungsgasausbeutefaktor (%) | Solution gas ultimate recovery | | | Details |
| U31F | Unit 3 Pump 1 Flowrate | | | | Details |
| U32F | Unit 3 Pump 2 Flowrate | | | | Details |
| U3A1 | Unit 3 Auxiliary #1 | | | | Details |
| U3A2 | Unit 3 Auxiliary #2 | | | | Details |
| U3DE | Unit 3 Density | | | | Details |
| U3PR | Unit 3 Pressure | | | | Details |
| U3TF | Unit 3 Total Flowrate | | | | Details |
| U4 | Kondensatausbeutefaktor (%) | Oil ultimate recovery | | | Details |
| UA | unter anderem|| | amongst other things | unter anderem | entre autres choses | Details |
| UA | SOUTH AFRICA | | | | Details |
| UA | UKRAINE | | | | Details |
| UA | unter anderem | inter alia, among others | | | Details |
| UA | microampere | | | | Details |
| uA | microampere | | | | Details |
| UA | Umm Al Dalkh | | | | Details |
| uA/cm2 | microampere per square centimeter | | | | Details |
| uA/in2 | microampere per square inch | | | | Details |
| UAB | United Arab Bank | | | | Details |
| UAC2 | microampere per square centimeter | | | | Details |
| UAD | Umm Al Dalkh | | | | Details |
| UAE | United Arab Emirates (Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al-Qaiwain, Ras Al-Khaimah, Fujairah) | | | | Details |
| UAE | United Arab Emirates | | | | Details |
| UAEU | United Arab Emirates University | | | | Details |
| UAH | Ukraine Hryvnia | | | | Details |
| UAI2 | microampere per square inch | | | | Details |
| UAP | Unallocated Provision | | | | Details |
| UASC | United Arab Shipping Company | | | | Details |
| UASE | Union of Arab Stock Exchanges | | | | Details |
| UAT | User Acceptance Test | | | | Details |
| UATM | Upper Attenuation from Module | | | | Details |
| UATT | Upper Attenuation from Tool | | | | Details |
| uawg | um Antwort wird gebeten | | | | Details |
| UB | Under Balanced | | | | Details |
| UB | underbalance | | | | Details |
| UB | Volumetric Cross-section, Bottom | | | | Details |
| UB | Underbalanced | | | | Details |
| ubar | microbar | | | | Details |
| UBCF | barrel per million cubic feet | | | | Details |
| UBD | Under-Balanced Drilling | | | | Details |
| UBD | Underbalance Drilling | | | | Details |
| UBD | Underbalanced Drilling | | | | Details |
| Überlauf | overflowing | Over flowing | | | Details |
| überschubrohre | Pipeline protection lining | Pipeline protection lining | | | Details |
| Übg | übergang (X-over) | | | | Details |
| Übg | Übergang | | | | Details |
| UBHI | Unique Bohr Hole Index | | | | Details |
| UBHO | Universal Bottom Hole Orientation (sub) | | | | Details |
| UBHO | Universal Bottom Hole Assembly | | | | Details |
| UBI | Ultrasonic Borehole Imager | | | | Details |
| UBIRE | Ultrasonic Borehole Imager Report | | | | Details |
| UBK | United Bank of Kuwait | | | | Details |
| UBL | United Bank of Lebanon | | | | Details |
| UBMK | Uncertainty of BMK | | | | Details |
| UBO | Under Balanced Operations | | | | Details |
| UBO | Under Balanced Operation | | | | Details |
| UBO | underbalance operations | | | | Details |
| UBP | Under Balanced Perforation | | | | Details |
| UC | upper casing | | | | Details |
| UC | Unit Conversion | | | | Details |
| uC | microcoulomb | | | | 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 |
| UD | Unclassified deepening | | | | Details |
| UD | under digging | | | | Details |
| UD | Upper Drain | | | | Details |
| UDC | Unit Development Cost | | | | Details |
| UDD | Up-Down Deconvolution | | | | Details |
| UDEF | Undefined | | | | Details |
| UDF | Universal Disk Format | | | | Details |
| UDIP | Ultrasonic Diplog | | | | Details |
| UDP | User Defined Property | | | | Details |
| UDR | Undeveloped Reservoirs (a sub-devision of ADNOC group) | | | | Details |
| UDR | UnDeveloped Reservoirs | | | | Details |
| UDR | Un-Developed Structure | | | | Details |
| UDT | Umwelt- und Deponietechnik|| | Environmental and landfill technology | Umwelt- und Deponietechnik | Technologie de l'environnement et de la mise en décharge | Details |
| UDT | Umwelt- und Deponietechnik | Environment and disposing technology | | | Details |
| UDV | drop bar activated vacuum valves | | | | Details |
| UDW | Ultra Deep Water | | | | Details |
| UDWK | Dry weight percent Potassium uncertainty | | | | Details |
| UDWU | Dry weight percent Uranium uncertainty | | | | Details |
| UEDN | Upper cutoff on EDN | | | | Details |
| UEI | Upper Ejector Indicator | | | | Details |
| UEL | Upper Explosive Limit (highest level of gas in air which will explode upon ignition. Above UEL, the mixture is too rich to burn - No O2 enough) | | | | Details |
| UELN | United European Levelling Net | | | | Details |
| UEMM | Applied EMex Voltage (Fluid Properties | | | | Details |
| UEMX | EMEX Voltage (FPM) | | | | Details |
| UESR | Über Spüll Rohr | | | | Details |
| UET | Übertage | at surface | | | Details |
| UET | ÜberTief | Ultra deep | | | Details |
| UF | Utility Factor | | | | Details |
| UF | microfarad | | | | Details |
| uF | microfarad | | | | Details |
| UF | Under Fitting | | | | Details |
| uF/m | microfarad per meter | | | | Details |
| UF1T | Uncorrected Far Gate 1 of TDTK | | | | Details |
| UFC | Unit Finding Cost | | | | Details |
| UFD | utility flow diagram | | | | Details |
| UFD | Utility Flow Diagram | | | | Details |
| UFIP | Union Francaise des Industries Petrolieres France | | | | Details |
| UFJ | Upper Flex Joint | | | | Details |
| UFL | Upper Flammability Limit | | | | Details |
| UFLM | USIT Processing Flag (Fluid Properties | | | | Details |
| UFO | Unable to Flow and Observe (inactive string category) | | | | Details |
| UG | UGANDA | | | | Details |
| UG | under gauge | | | | Details |
| UG | underground | | | | Details |
| ug | microgram | | | | Details |
| UGA | UGANDA | | | | Details |
| UGB | United Gulf Bank | | | | Details |
| UGB | Unternehmensgesetzbuch | | | | Details |
| UGCI | USIT Gaseous Index | | | | Details |
| UGCI_RF | USIT Gaseous Index Computed on Unflagged | | | | Details |
| UGF | Universal Guide Frame | | | | Details |
| UGL | universal gear lubricant | | | | Details |
| UGR | Universal Gamma Ray | | | | Details |
| UGR | Gamma Ray Upper Detector | | | | Details |
| UGS | Uganda shilling | | | | Details |
| UGTA | Union Générale des Travailleurs Algériens | | | | Details |
| UGX | Uganda Shilling | | | | Details |
| uH | microhenry | | | | Details |
| uH/m | microhenry per meter | | | | Details |
| UHF | Ultra High Frequency | | | | Details |
| UHF | ultra-high frequency | | | | Details |
| UHS | Upper Hand Side | | | | Details |
| UHTT | Histogram of First Echo Transit Time | | | | Details |
| UHZ | microhertz | | | | Details |
| uHz | microhertz | | | | Details |
| UI | User Interface | | | | Details |
| UIAX | Axial Current U | | | | Details |
| UIC | Underground Injection Control | | | | Details |
| UID | Umsatzsteuer Identifikationsnummer | | | | Details |
| UIE | Union Industrielle et d’Entreprise France | | | | Details |
| UJ | Ultrajet Perforating | | | | Details |
| uJ | microjoule | | | | Details |
| UK | Unterkante | | | | Details |
| UK | UNITED KINGDOM | | | | Details |
| UK | Unterbrechbare Kapazität | Interruptible Capacity | | | Details |
| UKCS | United Kingdom Continental Shelf | | | | Details |
| UKO | Upper Known Oil | | | | Details |
| UKOOA | United Kingdom Offshore Operators Association | | | | Details |
| UKOOA | UK Offshore Operators’ Assn. Ltd. UK | | | | Details |
| UKOOG | United Kingdom Onshore Operators Group | | | | Details |
| UKPIA | UK Petroleum Industry Assn. Ltd. UK | | | | Details |
| UKR | UKRAINE | | | | Details |
| UKW | Upper Known Water | | | | Details |
| ÜL | Über Last | Overpull of sreing | | | Details |
| UL | Volumetric Cross-section, Left | | | | Details |
| UL | Umm Lulu | | | | Details |
| ULAP | Umm Lulu Accomodation Platform | | | | Details |
| ULAY | ULSEL Layered Log Resistivity | | | | Details |
| ULBM | Umm Lulu Bypass Mode | | | | 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 |
| ULDS | LDS Volumetric Photoelectric Factor | | | | Details |
| ULDT | Upper Limit of DT Theoretical | | | | Details |
| ULF | Ultra-low frequency | | | | Details |
| ULGTP | Umm Lulu Gas Treatment Platform | | | | Details |
| ULJ | perforating, Ultrajet | | | | Details |
| ULLD | ULSEL Lump Log Depth Boundaries | | | | Details |
| ULLR | ULSEL Lump Resistivity Log | | | | Details |
| ULNB | ultra low NOX burner (high fraction staged fuel) | | | | Details |
| ULRP | Umm Lulu Riser Platform | | | | Details |
| ULS | Generic Root for ULSEL Sample Input | | | | Details |
| ULSC | Umm Lulu Super Complex | | | | Details |
| ULSD | Ultra-low sulfur diesel | | | | Details |
| ULSE | Ultralong Spacing Electric Log | | | | Details |
| ULSE | Ultra 2.M. Spacing | | | | Details |
| ULSEL | Ultralong Spacing Electric Log | | | | Details |
| ULSP | Umm Lulu Separation Platform | | | | Details |
| ULSQ | ULSEL Square Log Resistivity | | | | Details |
| ULSW | SW Unlimited by Irreducible Water | | | | Details |
| ult | ultimate | | | | Details |
| ULTR | Upper to Lower Transmitter Power Ratio | | | | Details |
| ULUP | Umm Lulu Utility Platform | | | | Details |
| ULUTP | Umm Lulu Utility Platform | | | | Details |
| ULW | Ultra Light Weight (Proppant) | | | | Details |
| UM | UNITED STATES MINOR OUTLYING ISLANDS | | | | Details |
| UM | Umiat Meridian(Alaska) | | | | Details |
| UM | micrometer | | | | Details |
| um | micrometer | | | | Details |
| um/m | micrometer per meter | | | | Details |
| um/s | micrometer per second | | | | Details |
| UM2 | square micrometer | | | | Details |
| um2 | square micrometer | | | | Details |
| um2/s | square micrometer per second | | | | Details |
| UMA | Apparent Volumetric Photoelectric Factor | | | | Details |
| UMB | umbrella(s) | | | | Details |
| UMCA | Umbilical Midline Connection Assembly | | | | Details |
| UMGV | Lower Master Gate Valve | | | | Details |
| UMHO | micromho | | | | Details |
| UMI | UNITED STATES MINOR OUTLYING ISLANDS | | | | Details |
| UMM | Urgent Market Messages | | | | Details |
| UMOIP | Unrecoverable Movable Oil In Place | | | | Details |
| umol | micromole | | | | Details |
| UMSD | Uranium Minus Standard Deviation - NGT | | | | Details |
| UMV | Upper Master Valve (from a Xmas tree) | | | | Details |
| UMV | Upper Master Valve | | | | Details |
| UMV | Uphole Motor Voltage | | | | Details |
| UMVL | Upper Motor Voltage Limit | | | | Details |
| UMVL_DL | Upper Motor Voltage Limit | | | | Details |
| UN | The United Nations | | | | Details |
| UN | United Nations | | | | Details |
| un | unit | | | | Details |
| UN | Unified | | | | Details |
| uN | micronewton | | | | Details |
| UN | Volumetric Photoelectric Factor - | | | | Details |
| Un-De | Undeveloped (resources/reserves) | | | | Details |
| UN1T | Uncorrected Near Gate 1 of TDTK | | | | Details |
| UNB | Union National Bank | | | | Details |
| UNBAL | unbalanced | | | | Details |
| unbr | unbranded | | | | 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 |
| undiff | undifferential | | | | Details |
| UNDP | United Nations Development Program | | | | Details |
| UNEC | Un Economic | | | | Details |
| UNEC | Production currently uneconomic# | | | | Details |
| UNEP | United Nations Environment Programme | | | | Details |
| UNESCO | United Nations Educational, Scientific and Cultural Organization | | | | Details |
| unf | unfinished | | | | Details |
| UNF | unified fine thread | | | | 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 |
| uni | uniform | | | | Details |
| Unicef | United Nations International Children Emergency Fund | | | | Details |
| UNICEF | United Nations International Children's Emergency Fund | | | | Details |
| UNIGAGE | It is data recorder and storage of the gauges. It has processing chip for data. (SLB) | | | | Details |
| UNIKOM | UN Iraq-Kuwait Observer Force | | | | Details |
| units | gas units | | | | Details |
| Univ | university, universal | | | | Details |
| UNIVAC | Universal Automatic Computer | | | | Details |
| UNIX | Uniple X information and computer services | | | | Details |
| UNKN | Unknown | | | | Details |
| UNLD | unloading | | | | Details |
| UNLDR | unloader | | | | Details |
| UNMW | Unmatched data | | | | Details |
| UNOCAL | Union Oil of California | | | | Details |
| UNOV | United Nations Office at Vienna | | | | Details |
| UNRWA | United Nations Relief and works Agency | | | | Details |
| UNSCOM | United Nations Special Commission | | | | Details |
| unt | Untere Teil | Lower part | | | Details |
| UNV | Normalized Potential Difference U | | | | Details |
| UO | Unconventional Oil | | | | Details |
| uo | oil viscosity | | | | Details |
| UO/F | microhm per foot | | | | Details |
| UO/M | microhm per meter | | | | Details |
| UOC | Unit Operating Cost | | | | Details |
| UOCO | Union Oil Company | | | | Details |
| UOHM | microhm | | | | Details |
| uohm | microhm | | | | Details |
| uohm/ft | microhm per foot | | | | Details |
| uohm/m | microhm per meter | | | | Details |
| UOM | Unit Of Measurement | | | | Details |
| UOM | Upstream Operating Model | | | | Details |
| UOP | Universal Oil Products | | | | Details |
| UOP | Universal Oil Products Company | | | | Details |
| UoP | Unit of Production | | | | Details |
| UP | UKRAINE | | | | Details |
| UP | Ultrapack Perforating | | | | Details |
| UP | Unter Pannon (Geological formation in Austria) | | | | Details |
| UP | Volumetric Photoelectric Factor + | | | | Details |
| UP | Utility Platform | | | | Details |
| UP | Upside Potential | | | | Details |
| UPA | micropascal | | | | Details |
| uPa | micropascal | | | | Details |
| uPa-1 | GeoFrame legacy unit | | | | 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 |
| UPEF | Volumetric_Photoelectric_Factor | | | | Details |
| UPGA | USIT Programmable Gain Amplitude of Waves | | | | Details |
| UPGF | Automatic gain (FPM) | | | | Details |
| UPI | Unit Participating Interest (Unitization) | | | | Details |
| UPM | Umdrehung Pro Minute | RPM - Rotations per minute or revolutions per minute | | | Details |
| UPP | Universal Pressure Platform | | | | Details |
| UPP | Upside Potential | | | | Details |
| UPR | Upper Pipe Rams | | | | Details |
| UPRA | Uranium-Potassium Ratio | | | | Details |
| UPRA | Uranium/Potassium Ratio | | | | Details |
| UPRH | Uncorrected PTS RHO | | | | Details |
| UPS | Uninterrupted Power Supply | | | | Details |
| UPS | uninterruptible power supply | | | | Details |
| UPSD | Uranium Plus Standard Deviation - NGT | | | | Details |
| UPSI | micropound per square inch | | | | Details |
| upsi | micropound per square inch | | | | Details |
| upsi-1 | GeoFrame legacy unit | | | | Details |
| UPSX | Bulk Volume of Water in Flushed Zone | | | | Details |
| UQ | microcoulomb | | | | Details |
| UQ | Uncertainty Quantification | | | | Details |
| UR | Ultimate Recovery | | | | Details |
| UR | under-reamer | | | | Details |
| UR | Unclassified redrill (sidetrack) | | | | Details |
| UR | underreaming | | | | Details |
| UR | unsulfonated residue | | | | Details |
| UR | used rod | | | | Details |
| UR | Ultimate Recovery (Reserves) | | | | Details |
| UR | Unconventional Reservoirs | | | | Details |
| UR | Volumetric Cross-section, Right | | | | Details |
| URA | Ultimate recovery appreciation | | | | Details |
| URAC | Uranium (U) Count Rate Output | | | | Details |
| urad | microradian | | | | Details |
| URAG | Unterweser Reederei GmbH Germany | | | | Details |
| URAN | Uraniurn Log | | | | Details |
| URAN | Uranium | | | | Details |
| URAN | Uranium Concentration | | | | Details |
| URAN | Uranium (Petro Standardlog) | | | | Details |
| URAN | Uranium Concentration | | | | Details |
| URAU | Uranium (U) Uncertainty Output | | | | Details |
| URC | Upstream Research Company | | | | Details |
| URCO | Contact Resistance U | | | | Details |
| URF | Ultimate Recovery Factor | | | | Details |
| URL | uniform resource locator | | | | Details |
| URPA | micro inverse pascal | | | | Details |
| URR | Ultimately recoverable resources | | | | Details |
| URR | UP Phase/Attenuation Resistivity Ratio | | | | Details |
| URRA | Upper Reference Receiver Amplitude | | | | Details |
| URRP | Upper Reference Receiver Phase | | | | Details |
| URT | Universal Running Tool | | | | Details |
| URT1 | Raw Transit Time Index of First Echo | | | | Details |
| URT2 | Raw Transit Time Index of Second Echo | | | | Details |
| URW1 | Mantissa of Amplitude of First Echo | | | | Details |
| URW2 | Mantissa of Amplitude of Second Echo | | | | Details |
| URY | URUGUAY | | | | Details |
| US | United States of America | | | | Details |
| US | UNITED STATES | | | | Details |
| us | Under Secretary | | | | Details |
| US | Unit Slope | | | | Details |
| US | microsecond | | | | Details |
| uS | microsiemens | | | | Details |
| us | microsecond | | | | Details |
| US | Umm Shaiff | | | | Details |
| US | Umm Shaif | | | | Details |
| US SPR | USA Strategic Petroleum Reserves | | | | Details |
| US$ | United States Dollars | | | | Details |
| US/F | microsecond per foot | | | | Details |
| us/ft | microsecond per foot | | | | Details |
| US/M | microsecond per meter | | | | Details |
| us/m | microsecond per meter | | | | Details |
| US01 | Up Speed of Cable Pass Number 1 | | | | Details |
| US02 | Up Speed of Cable Pass Number 2 | | | | Details |
| US03 | Up Speed of Cable Pass Number 3 | | | | Details |
| US04 | Up Speed of Cable Pass Number 4 | | | | Details |
| US05 | Up Speed of Cable Pass Number 5 | | | | Details |
| US06 | Up Speed of Cable Pass Number 6 | | | | Details |
| US07 | Up Speed of Cable Pass Number 7 | | | | Details |
| US08 | Up Speed of Cable Pass Number 8 | | | | Details |
| US09 | Up Speed of Cable Pass Number 9 | | | | Details |
| US10 | Up Speed of Cable Pass Number 10 | | | | Details |
| US11 | Up Speed of Cable Pass Number 11 | | | | Details |
| US12 | Up Speed of Cable Pass Number 12 | | | | Details |
| US13 | Up Speed of Cable Pass Number 13 | | | | Details |
| US14 | Up Speed of Cable Pass Number 14 | | | | Details |
| US15 | Up Speed of Cable Pass Number 15 | | | | Details |
| USA | UNITED STATES | | | | Details |
| USAID | US Agency for International Development | | | | Details |
| USAM | Upper Sample Open Valve Signal | | | | Details |
| USB | United Saudi Bank | | | | Details |
| USBI | USIT Bond Index | | | | Details |
| USBI_RF | USIT Bond Index Computed on Unflagged Data None | | | | Details |
| USBM | US Bureau of Mines, Wettability indices | | | | Details |
| USC | Unless Sooner Commenced | | | | Details |
| USCB | United Saudi Commercial Bank | | | | Details |
| USCG | U.S. Coast Guard | | | | Details |
| USCP | UpStream Choke Pressure | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | US Dollar | | | | Details |
| USD | United States of America Dollar (Currency) | | | | Details |
| USDA | United States Department of Agriculture | | | | Details |
| USDA-FS | U.S. Department of Agriculture-Forest Service | | | | Details |
| USDW | Underground Source of Drinking Water | | | | Details |
| USE | Union Securities Emirates | | | | Details |
| USEC | microsecond | | | | Details |
| USECHH | Use and Standard of Exposure of Chemicals Hazardous to Health | | | | Details |
| USED | TRUE if the TVD calculated. FALSE | | | | Details |
| USEPA | U.S. Environmental Protection Agency | | | | Details |
| USExim | US Export-Import Bank | | | | Details |
| USF1 | Shift of First Echo Amplitude Data | | | | Details |
| USF2 | Shift of Second Echo Amplitude Data | | | | Details |
| USFC | Under Speed Frame Counter | | | | Details |
| USFP | Union Socialiste des Forces Populaires | | | | Details |
| USFWS | United States Fish and Wildlife Service | | | | Details |
| USG | United States Gallons | | | | Details |
| USG | United States gauge | | | | Details |
| USGAL/MIN | gallon per minute | | | | Details |
| USGI | USIT Ultrasonic Gas Index | | | | Details |
| USGI_RF | USIT Gas Index Computed on Unflagged Data | | | | Details |
| USGS | United States Geological Survey | | | | Details |
| USGS | United States Geololgical Survey, a US government agency | | | | Details |
| USGS | United States Geologic Survey, DOI | | | | Details |
| USGS | United States Geologic Survey | | | | Details |
| USH | Untere Sarmat (Geological formation in Austria) | | | | Details |
| USI | Ultra sonic imager | | | | Details |
| USIL | United Safety International Limited | | | | Details |
| USIT | Ultra Sonic Imaging Tool | | | | Details |
| USIT | Ultra Sound Image Tool (Cement & Corrosion) | | | | Details |
| USIT | Ultrasonic Imager Tool | | | | Details |
| USIT | a brand name for ultrasonic inspection tool, a corrosion damage monitoring device | | | | Details |
| USITM | ultrasonic imager | | | | Details |
| USKB | United Safety Kurdistan Branch | | | | Details |
| USMS | Ultrasonic Measurement Data Block | | | | Details |
| USO0 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO0_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USO1 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO1_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USO2 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO2_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USO3 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO3_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USO4 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO4_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USO5 | Uncorrected Oil Superficial Velocity | | | | Details |
| USO5_DL | Uncorrected Oil Superficial Velocity | | | | Details |
| USP | United States Pharmocopoeia | | | | Details |
| USP | Unique selling proposition | | | | Details |
| USP | Unique Selling Proposition | | | | Details |
| USPARC | Ultra Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| USR | Ultra Short Radius | | | | Details |
| ÜSR | Über Spüll Rohr | | | | Details |
| USR | Über Spüll Rohr (ÜSR) | | | | Details |
| USS | Unsteady State | | | | Details |
| USSC | Umm Shaiff Super Complex | | | | Details |
| UST | ultrasonic test | | | | Details |
| UST | Underground Storage Tank | | | | Details |
| UST | Umsatzsteuer | | | | Details |
| USTR | micrometer per meter (microstrain) | | | | Details |
| USV | Underwater Safety Valve | | | | Details |
| USW | Uphole Status Word | | | | Details |
| USW0 | Uncorrected Water Superficial Velocity | | | | Details |
| USW0_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USW1 | Uncorrected Water Superficial Velocity | | | | Details |
| USW1_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USW2 | Uncorrected Water Superficial Velocity | | | | Details |
| USW2_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USW3 | Uncorrected Water Superficial Velocity | | | | Details |
| USW3_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USW4 | Uncorrected Water Superficial Velocity | | | | Details |
| USW4_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USW5 | Uncorrected Water Superficial Velocity | | | | Details |
| USW5_DL | Uncorrected Water Superficial Velocity | | | | Details |
| USWT | Total Water Saturation Unlimited By Bulk | | | | Details |
| USZ | Ultraschallgaszähler | ultrasonic type flow meter | | | Details |
| UT | ultrasonic examination (method) | | | | Details |
| UT | Utah | | | | Details |
| UT | UnterTeil (lower part of tool…) | | | | Details |
| UT | ultrasonic examination | | | | Details |
| UT | upper tubing | | | | Details |
| UT | upthrown | | | | Details |
| ÜT | Übertage | at surface | | | Details |
| uT | microtesla | | | | Details |
| UT | Theoretical Volumetric Photoelectric | | | | Details |
| UT | Ultrasonic Testing | | | | Details |
| UTA | Umbilical Termination Assembly | | | | Details |
| UTC | Universal Time Coordinated | | | | Details |
| UTC | Unit Technical Cost | | | | Details |
| UTC | Unit Technical Cost | | | | Details |
| UTED | UTM East Departure | | | | Details |
| UTH | Umbilical Termination Head | | | | Details |
| UTH | UnterTorton Horizont | lower Torton horizon | | | Details |
| UTL | utility | | | | Details |
| UTM | Universal Transverse Mercator ("UTM Spheroid" coordinate system - See comment) | | | | Details |
| UTM | universal transverse mercator An orienting/origin defining system used in surveys | | | | Details |
| UTM | universal transverse mercator | | | | Details |
| UTM | Ultrasonic Thickness Measurement | | | | Details |
| UTMM | Waveform Acquisition Time (Fluid | | | | Details |
| UTND | UTM North Departure | | | | Details |
| UTO | Up To Oil | | | | Details |
| UTQC | Thickness Quality Check | | | | Details |
| UTSV | Unter Tage Sicherheit Ventil | | | | Details |
| UTTA | UBI Transit Time Average | | | | Details |
| UTTD | Raw Time Delay | | | | Details |
| UTVO | Upper Transmitter Voltage | | | | Details |
| UTW | Up To Water | | | | Details |
| UU | Unless Used | | | | Details |
| uU | unter Umständen | Possibly | | | Details |
| UU | Volumetric Cross-section, Up | | | | Details |
| UUIWCTAUTC | Unless Used In Which Case Time Actually Used To Count. | | | | Details |
| UUOA | Unitization & Unit Operating Agreement | | | | Details |
| UV | ultraviolet | | | | Details |
| UV | BURKINA FASO | | | | Details |
| UV | Union Valley | | | | Details |
| UV | Unfallversicherung | | | | Details |
| UV | microvolt | | | | Details |
| uV | microvolt | | | | Details |
| uV-1 | GeoFrame legacy unit | | | | Details |
| UV-1 | inverse microvolt | | | | Details |
| UV/F | microvolt per foot | | | | Details |
| uV/ft | microvolt per foot | | | | Details |
| UV/M | microvolt per meter | | | | Details |
| uV/m | microvolt per meter | | | | Details |
| UV33 | APS Unregulated 33v Supply Voltage | | | | Details |
| UVAM | und vieles mehr | and much more | | | Details |
| Uvig. | lir. Uvigerina lirettensis | | | | Details |
| UVM | und vieles mehr | and much more | | | Details |
| UVO0 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO0_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO1 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO1_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO2 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO2_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO3 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO3_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO4 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO4_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO5 | Uncorrected Velocity Oil Bubble | | | | Details |
| UVO5_DL | Uncorrected Velocity Oil Bubble | | | | Details |
| UVRD | Unsmoothed Enhanced Vertical Resolution | | | | Details |
| UVW0 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW0_DL | Uncorrected Velocity Water Bubble | | | | Details |
| UVW1 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW1_DL | Uncorrected Velocity Water Bubble | | | | Details |
| UVW2 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW2_DL | Uncorrected Velocity Water Bubble | | | | Details |
| UVW3 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW3_DL | Uncorrected Velocity Water Bubble | | | | Details |
| UVW4 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW4_DL | Uncorrected Velocity Water Bubble | | | | Details |
| UVW5 | Uncorrected Velocity Water Bubble | | | | Details |
| UVW5_DL | Uncorrected Velocity Water Bubble | | | | Details |
| uW | microwatt | | | | Details |
| UWAL | Uncorrected Weight Percent Aluminum | | | | Details |
| UWAV | Unidentified Waveform | | | | Details |
| uWb | microweber | | | | Details |
| UWFD | Uncorrected Well Fluid Density | | | | Details |
| UWFD_TL | Uncorrected Well Fluid Density | | | | Details |
| UWI | Unique Well Identifier (well code number) | | | | Details |
| UWILD | Underwater Inspection in Lieu of Dry Docking | | | | Details |
| UWWK | Wet weight percent Potassium uncertainty | | | | Details |
| UWWU | Wet weight percent Uranium uncertainty | | | | Details |
| UX | Unclassified workover | | | | Details |
| UY | URUGUAY | | | | Details |
| UYP | Uruguayan peso | | | | Details |
| UYU | Uruguayan Peso | | | | Details |
| UZ | UZBEKISTAN | | | | Details |
| UZ | Volumetric Photoelectric Factor | | | | Details |
| UZ | Upper Zakum | | | | Details |
| UZB | UZBEKISTAN | | | | Details |
| UZO | undisturbed zone | | | | Details |
| UZS | Uzbekistan Sum | | | | Details |
| 1/upsi | inverse micro pound per square inch | | | | Details |
| 1/uV | inverse microvolt | | | | Details |
| 1PUD | 1P Undeveloped reserves | | | | Details |
| 2PUD | 2P Undeveloped reserves | | | | Details |
| A.Ü | Anlage übersiedelt | | | | Details |
| A.Ü | Anlage übersiedelt | moved conditioning | bewegt Anlage | conditionné déplacé | Details |
| A1UP | Amplitude at Receiver 1, Sub Up | | | | Details |
| A2UP | Amplitude at Receiver 2, Sub Up | | | | Details |
| A34H_UNC | Resistivity Medium Induction | | | | Details |
| ABU | OMV Abu Dhabi E&P GmbH | | | | Details |
| abun | abundant | | | | Details |
| Abwältigung | In a well when it is needed to change the producing interval back to a deeper interval; needs isolation of upper perfs etc. | | | | Details |
| AC/CAL NEU | Acoustilog Caliper Neutron | | | | Details |
| AC/NUE | BHC Acoustilog Caliper Neutron | | | | Details |
| ACCU | Mud Return Flow Level (acoustic sensor) | | | | Details |
| accum | accumulative, accumulator | | | | Details |
| ACOU | Acoustic | | | | Details |
| ACQU | Acquisition log | | | | Details |
| AEUB | Alberta Energy & Utility Board | | | | Details |
| AFU | All Fucked Up | | | | Details |
| AFUDC | allowance for funds used during construction | | | | Details |
| AGRU | acid gas removal unit | | | | Details |
| AGRU | Acid Gas Recovery Unit | | | | Details |
| AGU | American Geophysical Union | | | | Details |
| AHOU | Potential Difference Between A Electrode | | | | Details |
| ALQU | Americium Log Quality Control In Upper | | | | Details |
| ALU | ALUminium | | | | Details |
| ALU | Arithmetic Logic Unit | | | | Details |
| Alum | aluminum and potassium sulfate compound Used was water clairfying | | | | Details |
| ALUM | Weight Percent Aluminum | | | | Details |
| AMCU | Amplitude computed uphole | | | | Details |
| AMPSUM | Amplitude Sum | | | | Details |
| AMPSUM_SL | Amplitude Sum - Station Log | | | | Details |
| AMUD | Attenuation in Mud | | | | Details |
| Angul | Angulogerina | | | | Details |
| ANNULUS_PRES | Downhole annulus pressure | | | | Details |
| ANTU | Antimony (SB) Uncertainty Output | | | | Details |
| ANUB | annubar | | | | Details |
| ANUC | annunciator | | | | Details |
| APDU | APS Near/Array Uncorrected Dolomite | | | | Details |
| APLU | APS Near/Array Uncorrected Limestone | | | | Details |
| APSU | APS Near/Array Uncorrected Sandstone | | | | Details |
| APU | Al-’Azizia Panda United Inc. | | | | Details |
| APUW | Americium Peak Upper Window Output | | | | Details |
| ArbAufw | Arbeitsaufwand | | | | Details |
| ARPU | Average revenue per user | | | | Details |
| ASPO-USA | Association for the Study of Peak Oil-USA | | | | Details |
| ATRU | UP Attenuation Resistivity | | | | Details |
| atü | Atmosphäriche Druck über dem Bezugsniveau | Atmospheric pressure above the reference | | | Details |
| atu | Atmosphäriche Druck unter dem Bezugsniveau | Atmospheric pressure below the reference | | | Details |
| ATUTC | Actually Time Used To Count | | | | Details |
| AU | Assessment unit | | | | Details |
| AU | AUSTRIA | | | | Details |
| AU | AUSTRALIA | | | | Details |
| AÜ | Anlage übersiedelt | | | | Details |
| AU1 | AutoCorrelation 1 (in VSP) | | | | Details |
| AUA | Asset Use Agreement | | | | Details |
| aud | auditorium | | | | Details |
| AUD | Audio Logging | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian dollar | | | | Details |
| AUDA | LDS AUX Board DAC SLM Status | | | | Details |
| AUDCO | Audit Committee Meeting | | | | Details |
| Aufnahme test | Injectivity test | | | | Details |
| Aufnahmetest | Acceptance test, any test done in a well | | | | Details |
| Aufs | Aufstellen | to rig up | | | Details |
| AUFW | Aufwältigung|| | workover | Überarbeitungs | workover | Details |
| AUFW | Aufwältigung | Recomplete the well in a shallower horizon (shallower potential) | | | Details |
| Aufwältigung | In a well when it is needed to change the producing interval to a shallower interval | | | | Details |
| AULA | LDS AUX Board Latch SLM Status | | | | Details |
| AUP | Advanced University Placement (PI) | | | | Details |
| AUS | AUSTRALIA | | | | Details |
| Aus | Austin | | | | Details |
| ausbeutefaktor | Ultimate recovery factor | Ultimate recovery factor | | | Details |
| AUT | AUSTRIA | | | | Details |
| auth | authorized | | | | Details |
| auth | authigenic | | | | Details |
| auto | automatic | | | | Details |
| auto | automotive | | | | Details |
| autogas | automotive gasoline | | | | Details |
| AUV | Autonomous Underwater Vehicle | | | | Details |
| aux | auxiliary | | | | Details |
| AUX | Auxiliary | | | | Details |
| AUXF | Auxiliary Frequency | | | | Details |
| AVMU | Apparent Interval Transit Time of Mud | | | | Details |
| AWSBU | Acoustic well sounder build-up | | | | Details |
| AZU | Acceleration - Uncorrected | | | | Details |
| AZU_TL | Acceleration - Uncorrected | | | | Details |
| B/U | Bottom UP (see comment!) | | | | Details |
| B/U | Build UP | | | | Details |
| B/U | Bottom Up (Zirkulation von Meiselteufe auf Surface) | | | | Details |
| B1PU | AGS Detector 1 Coincidence Pileup | | | | Details |
| B2PU | AGS Detector 2 Coincidence Pileup | | | | Details |
| BAU | Business As Usual | | | | Details |
| baux | bauxitic | | | | Details |
| BAWUL | barrels acid water under load | | | | Details |
| BBNHUS | Borealis BoNo Holdings LLC | | | | Details |
| BCOMUS | Borealis Compounds Inc. | | | | Details |
| BGTIDU | Beginning time of a time window centered | | | | Details |
| BHOUS | Borealis US Holdings LLC | | | | Details |
| BID-SUM | bid summary | | | | Details |
| bioturb | bioturbated | | | | Details |
| BITU | Bituminous Rocks Facies | | | | Details |
| Bleiabdruck | Impression Block|| | impression block | Eindruck Block | bloc d'impression | Details |
| Bleiabdruck | Impression Block | Impression Block | | | Details |
| blu | blue | | | | Details |
| BLUE | Best Linear Unbiased Estimator | | | | Details |
| BMU | BERMUDA | | | | Details |
| BNOVUS | Novealis Holdings LLC | | | | Details |
| Borouge | Abu Dhabi Polymers Company Limited | | | | Details |
| BOUT | Breakout | | | | Details |
| BPLUG | Baker Plug | | | | Details |
| BQ1U | PS_1 Quartz Pressure Ones Digit | | | | Details |
| BQ2U | MRPS 2 Quartz Pressure Ones | | | | Details |
| BRU | Business Recovery Unit | | | | Details |
| BSBHUS | Star Bridge Holdings LLC | | | | Details |
| BSUL | Borehole Sulfur Yield (Capture) | | | | Details |
| BSUW | black sulfur water | | | | Details |
| BTU | British Thermal Unit (see comment!) | | | | Details |
| BTU | British Thermal Unit | | | | Details |
| Btu | British thermal units | | | | Details |
| BTU | British thermal unit (international) | | | | Details |
| Btu | British thermal unit (international) | | | | Details |
| BTU | Business Travel Unlimited | | | | Details |
| Btu/(h.degF.ft2) | BTU per hour per degree fahrenheit per square foot | | | | Details |
| Btu/h.degF.ft2 | GeoFrame legacy unit | | | | Details |
| Btu/h.oF.ft2 | GeoFrame legacy unit | | | | Details |
| Btu/lb | British thermal units per pound | | | | Details |
| Btu/scf | British thermal units per standard cubic feet | | | | Details |
| BTUs | British thermal units | | | | Details |
| BU | Bottoms Up | | | | Details |
| BU | Balled Up Bit | | | | Details |
| BU | BULGARIA | | | | Details |
| BU | business unit | | | | Details |
| bu | bushel | | | | Details |
| BU-MDH | Build-Up without Superposition or Desuperposition | | | | Details |
| BUB | Bedien- und Beobachtungsstationen | | | | Details |
| bub | Bubble Map | | | | Details |
| BUC | Bucharest | | | | Details |
| Buck | Buckner | | | | Details |
| Buckr | buckrange | | | | Details |
| BUD | Build-Up using Desuperposition (Slider Method) | | | | Details |
| BUF | Build-Up functioned with Agarwal Equivalent Time | | | | Details |
| BUK | Burmese kyat | | | | Details |
| BUK | Borealis UK Ltd | | | | Details |
| BUL | bottom up lag | | | | Details |
| Bul.text. | Buliminella textularia | | | | Details |
| BULG | OMV BULGARIA OOD | | | | Details |
| BULI | Bulimina (teil von Baden) (Geological formation in Austria) | Part of Baden Fm in Austria | | | Details |
| Bull-W | Bull wagon | | | | Details |
| Bum. | bottom-hole pressure bomb | | | | Details |
| BuMInes | Bureau of Mines, U.S. Department of the Interior | | | | Details |
| bunr | burner | | | | Details |
| BUPR | Buffer Tank Pressure | | | | Details |
| BUR | Build Up Rate (drilling) | | | | Details |
| BUR | Build-Up rate | | | | Details |
| bur | burrow | | | | Details |
| Burg | Burgess | | | | Details |
| BURNER_TEMP | Burner temperature | | | | Details |
| BUS | Borealis USA Inc. | | | | Details |
| BUSI | Business | | | | Details |
| butt | buttress thread | | | | Details |
| BUZ | buzzer | | | | Details |
| C pump | Centrifugal Pump ("low pressure - high volume" pump to transfer liquid on rig site) | | | | Details |
| c.u. | GeoFrame legacy unit | | | | Details |
| C/U | Clean Up | | | | Details |
| C1PU | HNGS Detector 1 Coincidence Pileup | | | | Details |
| C2PU | HNGS Detector 2 Coincidence Pileup | | | | Details |
| CALU | Mean Diameter | | | | Details |
| caus | caustic | | | | Details |
| CBL/GR/NEU | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL/NEU | Acoustic Cement Bond Neutron | | | | Details |
| CBU | Circulate Bottoms Up | | | | Details |
| CC1U | Isolation AMP Offset for Upper Electrode | | | | Details |
| CC2U | Isolation AMP, D3-A3 Current, Upper | | | | Details |
| ccBU | circulate bottoms up | | | | Details |
| CCBU | Crosscorrelation Buffer | | | | Details |
| CCLU | Casing Collar Locator Ultrasonic | | | | Details |
| CCSU | Corrected Capture Sulfur Relative Yield | | | | Details |
| CCU | catalytic cracking unit | | | | Details |
| CCU | Carbon Capture and Utilization | | | | Details |
| CDBU | Resistivity Deep Button up from RAB | | | | Details |
| CDU | Control Distribution Unit | | | | Details |
| CDU | Crude Distillation Unit | | | | Details |
| CEU | (Certificate of) Continuing Education Units | | | | Details |
| CEU | Continuing Education Units | | | | Details |
| CGU | Cash Generating Unit | | | | Details |
| CHCU | Coherence computed uphole | | | | Details |
| Chou | Chouteau lime | | | | Details |
| Chug | chugwater | | | | Details |
| CHUN | Calibrated Pressure Hundreds Digit | | | | Details |
| CIDU | chemical injection downhole upper | | | | Details |
| Clu | Sondencluster | well cluster | | | Details |
| CLU1 | Cluster Index from Parsel Pass 1 | | | | Details |
| CLU2 | Cluster Index from Parsel Pass 2 | | | | Details |
| Clut | calcilutite | | | | Details |
| CMBU | Resistivity Medium Button up from RAB | | | | Details |
| CNPORU | CN Limestone Porosity uncorrected | | | | Details |
| CNUM | Core Number | | | | Details |
| COMPU | Computest Report | | | | Details |
| COMP_BUCKLING | The computed critical buckling load that | | | | Details |
| COMP_TORQUE | The computed torque on the drillstring | | | | Details |
| COMUT | commutator | | | | Details |
| Counc | G Council Grove | | | | Details |
| CPHU | Pressure 100s digit (calibrated) | | | | 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 |
| CRIT_MUD_PRES | Critical Mud Pressure | | | | Details |
| CRU | catalytic reforming unit | | | | Details |
| CSBU | Cullender and Smith build-up (wellhead gauge build-up) | | | | Details |
| CSBU | Resistivity Shallow Button up from RAB | | | | 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 |
| CTU | Coiled Tubing Unit | | | | Details |
| CTU | Cumulative Tool Usage | | | | Details |
| CTU | Condensate Treatment Unit | | | | Details |
| CTU | Coiled tubing umbilical | | | | Details |
| CTUS | Choke Temperature Up Stream | | | | 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 |
| 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 |
| CWAU | Conductivity Water Apparent Uncorrected | | | | Details |
| DAU | Data Acquisition Unit | | | | Details |
| DBUF | Diagnostic Buffer | | | | Details |
| DCSU | Dry Weight Percent Corrected Sulfur | | | | Details |
| DCU | delayed coking unit | | | | Details |
| DDP/(U) | Delivered Duty Paid (Unpaid) | | | | Details |
| debutzr | debutanizer | | | | Details |
| DEFSU | Definitive Survey Report | | | | Details |
| deisobut | deisobutanizer | | | | Details |
| demur | demurrage | | | | Details |
| desulf | desulfurizer | | | | Details |
| DEU | GERMANY | | | | Details |
| DEUDAN | Deutsche/Danische Erdgastransport GmbH Germany/Denmark | | | | Details |
| DEUTAG | Deutsche Tiefbohr-AG Germany | | | | Details |
| DH1U | DP_1 Horizontal Strain Gauge Pressure Ones Pressure_Digit | | | | Details |
| DH2U | MRDP 2 Horizontal Strain Gauge Pressure | | | | Details |
| DH3U | MRDP 3 Horizontal Strain Gauge Pressure | | | | Details |
| dilut | diluted | | | | Details |
| DIRSU | Directional Survey Report | | | | Details |
| DMUC | Dummy MRPP Uphole Current | | | | Details |
| DMUR | drilling, milling and under-reaming | | | | Details |
| Doug | Douglas | | | | Details |
| DPU | downhole power unit | | | | Details |
| DPU | drill pipe unloaded | | | | Details |
| DPU | drillpipe unloaded | | | | Details |
| DP_U | Density porosity, Up | | | | Details |
| DQ1U | DP_1 Quartz Pressure Ones Digit | | | | Details |
| DQ2U | MRDP 2 Quartz Pressure Ones | | | | Details |
| DQ3U | MRDP 3 Quartz Pressure Ones | | | | Details |
| DRHU | Bulk Density Correction, Up Quadrant | | | | Details |
| DRRU | Bulk Density Rotational Correction, Up | | | | Details |
| DS1U | DP_1 Sink Strain Gauge Pressure Ones Digit Pressure_Digit | | | | Details |
| DS2U | MRDP 2 Sink Strain Gauge Pressure Ones | | | | Details |
| DS3U | MRDP 3 Sink Strain Gauge Pressure Ones | | | | Details |
| DSU | development well, sulfur | | | | Details |
| DSUPHTR | desuperheater | | | | Details |
| DSUT | Theoretical DWSU Log | | | | Details |
| DTCU | Delta-T Computed Uphole | | | | Details |
| DTHU | Delta-T High Resolution Upper Transmitter | | | | Details |
| DTMUD | The computed mud slowness | | | | Details |
| DTUM | Delta-T from Upper Transmitter (Module) | | | | Details |
| DTUT | Delta-T from Upper Transmitter (Down Hole) Acoustic_Slowness | | | | Details |
| Dubal | Dubai Aluminium Company | | | | Details |
| DUC | dual upper casing | | | | Details |
| DUC | Dansk Underground Consortium Denmark | | | | Details |
| DUC | drilled but uncompleted | | | | Details |
| Dugas | Dubai Natural Gas Company | | | | Details |
| dull | dull | | | | Details |
| DUM1 | Dummy Output | | | | Details |
| DUM2 | Dummy | | | | Details |
| DUM3 | Dummy 3 | | | | Details |
| DUM4 | DUMMY | | | | Details |
| DUM5 | Dummy CALI Table | | | | Details |
| DUM6 | Dummy Gamma Ray | | | | Details |
| DUM7 | Dummy 7 | | | | Details |
| DUM8 | Dummy 8 | | | | Details |
| DUM9 | Dummy 9 | | | | Details |
| DUMA | Dummy A | | | | Details |
| DUMB | Dummy B | | | | Details |
| DUMC | Dummy C | | | | Details |
| DUMD | Dummy D | | | | Details |
| DUMM | Dummy | | | | Details |
| Dup | Duperow | | | | Details |
| dup | duplicate | | | | Details |
| DUPETCO | Dubai Petroleum Co. Dubai | | | | Details |
| DUR | Developed Ultimate Recovery | | | | Details |
| DUR | Duration | | | | Details |
| DUSD | Dual Sand | | | | Details |
| DUT | dual upper tubing | | | | Details |
| DUT | Theoretical DWU Log | | | | Details |
| Dutch | Dutcher | | | | Details |
| DWSU | Dry Weight Percent Sulfur | | | | Details |
| DWU | Dry Weight Percent Uranium | | | | Details |
| DWUA | Apparent dry weight percent Uranium | | | | Details |
| E&P-FORUM | Oil Industry Intenational Exploration & Production Forum UK | | | | Details |
| Eau | Clr Eau Claire | | | | Details |
| EBU | enhanced biodegradation unit | | | | Details |
| ECONHU | OMV Gas Marketing & Trading Hungária Kft. | | | | 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 |
| Educ | education | | | | Details |
| EEMUA | Engineering Equipment & Materials Users Assn. UK | | | | Details |
| EGU | Enhanced Gas Utilization | | | | Details |
| EgyptAlum | Egypt Aluminium | | | | Details |
| EIU | Even If Used. | | | | Details |
| EK-UT | E-Kreuz Unterteil | | | | Details |
| EKU | E-Kreuz Unterteil | Lower part of X mas tree | | | Details |
| EMU | European Economic and Monetary Union | | | | Details |
| emul | emulsion | | | | Details |
| ENPU | APS Near/Array Limestone Porosity | | | | Details |
| ENPU_SIG | Uncertainty of the ENPU Channel | | | | Details |
| EOU | Ellipsoid Of Uncertainty | | | | Details |
| EOU_POS_X | The X Cartesian Coordinate of the Center | | | | Details |
| EOU_POS_Y | The Y Cartesian Coordinate of the center | | | | Details |
| EOU_POS_Z | The Z Cartesian Coordinate of the Center | | | | Details |
| EOU_VERT_ROT | The angle, measured in a vertical plane | | | | Details |
| EPCU | Electrical Power Conditioning Unit | | | | Details |
| EPU | Electrical Power Unit | | | | Details |
| EPU | Economic Planning Unit | | | | Details |
| EQU | Equipment Run | | | | Details |
| equip | equipment | | | | Details |
| equiv | equivalent | | | | Details |
| ES-ULS | Salt Dome Profiling | | | | Details |
| ESPU | ECS Pileup Countrate | | | | Details |
| ESWU | ECS Marquardt Index | | | | Details |
| et ux | and wife | | | | Details |
| ETAU | Estimated Tau | | | | Details |
| ETU | Electrical Test Unit | | | | Details |
| EU | External Upset Verbinder | | | | Details |
| EU | European Union | | | | Details |
| EU | EUROPA ISLAND | | | | Details |
| EU | Eutaw | | | | Details |
| EU | European Union (—) | | | | Details |
| EU | PCP Untertage Antrieb | | | | Details |
| EU1 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU1_HR | Eddy Current Upper Pad-1 HiRes | | | | Details |
| EU1_HRN | Eddy Current Upper Pad-1 HiRes Nor | | | | Details |
| EU1_NO | Eddy Current Upper Pad-1 Nor | | | | Details |
| EU2 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU2_HR | Eddy Current Upper Pad-2 HiRes | | | | Details |
| EU2_HRN | Eddy Current Upper Pad-2 HiRes Nor | | | | Details |
| EU2_NO | Eddy Current Upper Pad-2 Nor | | | | Details |
| EU3 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU3_HR | Eddy Current Upper Pad-3 HiRes | | | | Details |
| EU3_HRN | Eddy Current Upper Pad-3 HiRes Nor | | | | Details |
| EU3_NO | Eddy Current Upper Pad-3 Nor | | | | Details |
| EU4 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU4_HR | Eddy Current Upper Pad-4 HiRes | | | | Details |
| EU4_HRN | Eddy Current Upper Pad-4 HiRes Nor | | | | Details |
| EU4_NO | Eddy Current Upper Pad-4 Nor | | | | Details |
| EU5 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU5_HR | Eddy Current Upper Pad-5 HiRes | | | | Details |
| EU5_HRN | Eddy Current Upper Pad-5 HiRes Nor | | | | Details |
| EU5_NO | Eddy Current Upper Pad-5 Nor | | | | Details |
| EU6 | Calibration Eddy Current, Upper Array Pad | | | | Details |
| EU6_HR | Eddy Current Upper Pad-6 HiRes | | | | Details |
| EU6_HRN | Eddy Current Upper Pad-6 HiRes Nor | | | | Details |
| EU6_NO | Eddy Current Upper Pad-6 Nor | | | | Details |
| EUE | External Upset Ends (see comment!) | | | | Details |
| EUE | external upset end | | | | Details |
| euhed | euhedral | | | | Details |
| EUQ | EUROPA ISLAND | | | | Details |
| EUR | Estimated Ultimate Recovery | | | | Details |
| EUR | Expected ultimate recovery | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EURAFRAP | EURAFRAP Nederland B.V. (and others) Netherlands | | | | Details |
| EURAFREP | Societe de Recherches et d’Exploitation de Petrole France | | | | Details |
| EURF | Expected Ultimate Recovery Factor | | | | Details |
| EUROCORD | European Federation of Twine, Cordage and Netting Industries | | | | Details |
| EUROGAS | European Union of the Natural Gas Industry Belgium | | | | Details |
| EUROGIF | European Oil and Gas Innovation Forum | | | | Details |
| EUROPIA | European Petroleum Industry Assn. | | | | Details |
| EVENTU | Event Flag for Upgoing Reflector | | | | Details |
| fau | fauna | | | | Details |
| Fault | where rock splits or ruptures with associated movement occurs on either side | | | | Details |
| FBU | Flowing/Build UP (Pressure Survey) | | | | Details |
| FCCU | fluid catalytic cracking unit | | | | Details |
| FCIU | Flowmeter Calibration Intercept Up | | | | Details |
| FCSU | Flowmeter Calibration Slope for Up Line | | | | Details |
| FCU | fluid coking unit | | | | Details |
| FDSU | RST Far MCS Spectrum | | | | Details |
| FFGU | field fuel gas unit | | | | Details |
| FGRU | Flared Gas Recovery Unit | | | | Details |
| FGSUP | First Gas Start Up | | | | Details |
| FGSUP | First Gas Start Up (Date) | | | | Details |
| FIPNUM | Fluid In Place (Region Number) in ECLIPSE | | | | Details |
| flu | fluorescence | | | | Details |
| flu | flouresence | | | | Details |
| flu | flue | | | | Details |
| Flu | fluid | | | | Details |
| FLU | fluid | | | | Details |
| FLUA | Flux Leakage, Upper Array | | | | Details |
| FLUHSE | Fluid Hydraulic Support Efficiency | | | | Details |
| fluor | fluorescence, fluorescent | | | | Details |
| fluor | fluorescence | | | | Details |
| FLUORAZ | a high performance elastomer for seal assemblies | | | | Details |
| FLUP | Fill Up Production Valve | | | | Details |
| Fount | Fountain | | | | Details |
| FPRU | Fracture Plausibility given by Rugosity | | | | Details |
| FPU | Floating Processing Unit | | | | Details |
| FPU | floating production unit | | | | Details |
| FPU | Field Programming Unit | | | | Details |
| FPU1 | Fracture Plausibility of User-Defined | | | | Details |
| FPU2 | Fracture Plausibility of User-Defined | | | | Details |
| FPU3 | Fracture Plausibility of User-Defined | | | | Details |
| FPU4 | Fracture Plausibility of User-Defined | | | | Details |
| FPU5 | Fracture Plausibility of User-Defined | | | | Details |
| FPU6 | Fracture Plausibility of User-Defined | | | | Details |
| FRMIDU | Frame of the reflector location(up-going) | | | | Details |
| Fruit | Fruitland | | | | Details |
| FSRU | Floating Storage and Regasification Unit|| | Floating Storage and Regasification Unit | Floating Storage und Regasifizierung Einheit | Flottant de stockage et de l'unité de regazéification | Details |
| FSRU | Floating Storage and Regasification Unit | | | | Details |
| FSU | Former Soviet Union | | | | Details |
| Ft U | Fort Union | | | | Details |
| FTAU | Far Tau | | | | Details |
| FTU | Field Transfer Unit (SLB) | | | | Details |
| ftUS | foot (U.S. survey) | | | | Details |
| FU | fill up | | | | Details |
| FU | Financial Unit | | | | Details |
| FU01 | Flowmeter Up Pass Number 01 | | | | Details |
| FU02 | Flowmeter Up Pass Number 02 | | | | Details |
| FU03 | Flowmeter Up Pass Number 03 | | | | Details |
| FU04 | Flowmeter Up Pass Number 04 | | | | Details |
| FU05 | Flowmeter Up Pass Number 05 | | | | Details |
| FU06 | Flowmeter Up Pass Number 06 | | | | Details |
| FU07 | Flowmeter Up Pass Number 07 | | | | Details |
| FU08 | Flowmeter Up Pass Number 08 | | | | Details |
| FU09 | Flowmeter Up Pass Number 09 | | | | Details |
| FU1 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU10 | Flowmeter Up Pass Number 10 | | | | Details |
| FU11 | Flowmeter Up Pass Number 11 | | | | Details |
| FU12 | Flowmeter Up Pass Number 12 | | | | Details |
| FU13 | Flowmeter Up Pass Number 13 | | | | Details |
| FU14 | Flowmeter Up Pass Number 14 | | | | Details |
| FU15 | Flowmeter Up Pass Number 15 | | | | Details |
| FU1_HR | Flux Leakage Upper Pad-1 HiRes | | | | Details |
| FU1_HRN | Flux Leakage Upper Pad-1 HiRes Nor | | | | Details |
| FU1_NO | Flux Leakage Upper Pad-1 Nor | | | | Details |
| FU2 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU2_HR | Flux Leakage Upper Pad-2 HiRes | | | | Details |
| FU2_HRN | Flux Leakage Upper Pad-2 HiRes Nor | | | | Details |
| FU2_NO | Flux Leakage Upper Pad-2 Nor | | | | Details |
| FU3 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU3_HR | Flux Leakage Upper Pad-3 HiRes | | | | Details |
| FU3_HRN | Flux Leakage Upper Pad-3 HiRes Nor | | | | Details |
| FU3_NO | Flux Leakage Upper Pad-3 Nor | | | | Details |
| FU4 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU4_HR | Flux Leakage Upper Pad-4 HiRes | | | | Details |
| FU4_HRN | Flux Leakage Upper Pad-4 HiRes Nor | | | | Details |
| FU4_NO | Flux Leakage Upper Pad-4 Nor | | | | Details |
| FU5 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU5_HR | Flux Leakage Upper Pad-5 HiRes | | | | Details |
| FU5_HRN | Flux Leakage Upper Pad-5 HiRes Nor | | | | Details |
| FU5_NO | Flux Leakage Upper Pad-5 Nor | | | | Details |
| FU6 | Calibration Flux Leakage, Upper Array Pad | | | | Details |
| FU6_HR | Flux Leakage Upper Pad-6 HiRes | | | | Details |
| FU6_HRN | Flux Leakage Upper Pad-6 HiRes Nor | | | | Details |
| FU6_NO | Flux Leakage Upper Pad-6 Nor | | | | Details |
| FUA | Fields under appraisal | | | | Details |
| FUD | Fields under development | | | | Details |
| FUD | Fear, uncertainty, doubt | | | | Details |
| FUFD | Filtered Uncorrected Well Fluid Density | | | | Details |
| FUFD_TL | Filtered Uncorrected Well Fluid Density | | | | Details |
| FUK | Filter Unterkante | | | | Details |
| FULDI | Full Diameter Study Report | | | | Details |
| Full | Fullerton | | | | Details |
| furf | furfural | | | | Details |
| furn | furnace | | | | Details |
| FURN | furnish(ed) | | | | Details |
| Furn | & fix furniture and fixtures | | | | Details |
| Fus | Fuson | | | | Details |
| Fussel | Fusselman | | | | Details |
| Fusul | Fusulinid | | | | Details |
| fut | future | | | | Details |
| FVU | Far Voltage UP | | | | Details |
| GALUK | Gallon (UK) | | | | Details |
| galUK | gallon (U.K.) | | | | Details |
| galUS | gallon (U.S.) | | | | Details |
| gas-cut | salt water | | | | Details |
| GASUNIE | NV Nederlandse Gasunie Netherlands | | | | Details |
| GAS_VOLUME | Gas volume produced | | | | Details |
| GAUG | gauge | | | | Details |
| GAUS | gauss | | | | Details |
| gauss | GeoFrame legacy unit | | | | Details |
| GCU | Gas Conditioning Unit | | | | Details |
| GDU | Gas Dehydration Unit | | | | Details |
| Gewinnungsfeld | License to produce | | | | Details |
| GFLU | good fluorescence | | | | Details |
| GFU | Gas Negotiating Board Norway | | | | Details |
| glau | glauconite, glauconitic | | | | Details |
| glau | glauconite | | | | Details |
| GLAU | Glauconite | | | | Details |
| GLAU | Glauconitic Rocks | | | | Details |
| glauc | glauconitic | | | | Details |
| GOLU | Gold (AU) Uncertainty Output | | | | Details |
| Gouldb | Gouldbusk | | | | Details |
| GPU | Gas Production Unit | | | | Details |
| GPU | Group Procurement Unit | | | | Details |
| GR/NEU | (Thru Casing) | | | | Details |
| GR/NEU | G/R Neutron | | | | Details |
| GR/NEU | Gamma Ray Neutron-Cased Hole | | | | Details |
| GR/NEU | Gamma Ray Neutron-Open Hole | | | | Details |
| Grubenfeld | License to produce (During and before WWII, no production tax applicable) | | | | Details |
| GRUP | Calibrated Gamma Ray up quadrant | | | | Details |
| GR_MINU | Gamma_Ray_Minus_Uranium | | | | Details |
| GSU | Gas Sweetening Unit | | | | Details |
| GTAU | Gas Turbine Auxiliary Unit | | | | Details |
| GU | GUYANA | | | | Details |
| GU | GUAM | | | | Details |
| GU | Gas & unknown | | | | Details |
| GU | gas unit | | | | Details |
| GU | Group U | | | | Details |
| GUF | Gaslift Utilization Factor Total Gas/Net Oil | | | | Details |
| GUF | FRENCH GUIANA | | | | Details |
| GUI | graphical user interface | | | | Details |
| GUI | Graphic User Interface | | | | Details |
| GUK | Gas Unterkante | Gas down to | | | Details |
| GUM | GUAM | | | | Details |
| Gum | polymer gellants | | | | Details |
| Gumbo | sticky, reactive shale formation | | | | Details |
| GUN | Gun Set Log | | | | Details |
| Gun | perforating gun | | | | Details |
| GUN | Guns | | | | Details |
| Guns | Gunsite | | | | Details |
| Gupco | Gulf of Suez Petroleum Company | | | | Details |
| GUPCO | Gulf of Suez Petroleum Co. Egypt | | | | Details |
| GUS | gusset | | | | Details |
| GUT | Gas Up To | | | | Details |
| GUT | Grand, Unified Theory | | | | Details |
| GUY | GUYANA | | | | Details |
| HADU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Dolomite | | | | Details |
| HALU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Limestone | | | | Details |
| HASU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Sandstone | | | | Details |
| Hburg | Hardinsburg sand(local) | | | | Details |
| HFU | Hydraulic Flow Units | | | | Details |
| HLLU | LDS High Resolution Long-Spaced LU Raw | | | | Details |
| HLU | High Resolution Long Upper 1-2 Window | | | | Details |
| HMCU | Hydraulic Motor Current | | | | Details |
| HMCU_DL | Hydraulic Motor Current | | | | Details |
| HNPU | APS High Resolution Near/Array Limestone | | | | Details |
| HOURS | hour | | | | Details |
| HPDU | High pressure displacement Unit | | | | Details |
| HPU | High Pressure Unit | | | | Details |
| HPU | Hydraulic Power Unit | | | | Details |
| HPU | Hydraulic Pumping Unit | | | | Details |
| HPU | Hydrogen production unit | | | | Details |
| HRU | Hydrostatic Release Unit | | | | Details |
| HRUG | Hole Rugosity (computed as second | | | | Details |
| HSTU | APS High Resolution Uncorrected Standoff | | | | Details |
| HTAU | HiRes TAU (Near) | | | | Details |
| HTUR | HNGS Thorium/Uranium Ratio | | | | Details |
| HTUR | HNGS Thorium/Uranium Ratio | | | | Details |
| HU | HUNGARY | | | | Details |
| HU | hook up | | | | Details |
| HU | Hydraulic flow Unit | | | | Details |
| HUB | Central European Gas Hub AG | | | | Details |
| HUC | Hook Up ? (offshore) | | | | Details |
| HUC | Hydrocarbon Ultra-Fine Cements | | | | Details |
| HUCS | Hydrocarbon Ultra-Fine Cement Systems | | | | Details |
| HUD | Hold Up Depth | | | | Details |
| HUD | Hold up depth Deepest depth you can go, as limited by the equipment available | | | | Details |
| HUET | Helicopter Underwater Egress/Escape Training | | | | Details |
| HUET | Helicopter Under Water Escape Technique | | | | Details |
| HUET | Helicopter Underwater Escape Technique | | | | Details |
| HUF | Hungarian Forint | | | | Details |
| HUGA | Undisturbed Zone Integrated Vol-ft Gas | | | | Details |
| HUHY | Undisturbed Zone Integrated Vol-ft | | | | Details |
| HULS | LDS High Resolution Volumetric | | | | Details |
| Humb | Humblei | | | | Details |
| HUMF | Fluid Holdup Indicator, Flowing | | | | Details |
| Hump | Humphreys | | | | Details |
| HUMS | Fluid Holdup Indicator, Shut-in | | | | Details |
| HUN | HUNGARY | | | | Details |
| Hun | Hunton | | | | Details |
| HUN | Hook Up Nipple | | | | Details |
| HUOI | Undisturbed Zone Integrated Vol-ft Oil | | | | Details |
| HUPR | HNGS Uranium/Potassium Ratio | | | | Details |
| HUPR | HNGS Uranium/Potassium Ratio | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HURC | HNGS Formation Uranium Concentration in | | | | Details |
| HUWA | Undisturbed Zone Integrated Vol-ft Water | | | | Details |
| HUX | heavy hydrocrackate | | | | 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 |
| HV_UNREG | High Voltage Unregulated | | | | Details |
| HV_UNREG_SL | High Voltage Unregulated - Station Log | | | | Details |
| HWU | Herriot Watt University | | | | Details |
| HWU | hydraulic workover unit | | | | Details |
| IC2U | Isolation AMP, D2-A2 Current, Upper | | | | Details |
| ICSU | Integrated Commissioning and Start Up | | | | Details |
| IEL/GR/NEU | Induction Electrolog Gamma | | | | Details |
| IEL/NEU | Induction Electrolog Neutron | | | | Details |
| IEL/NEU | Induction Log-Neutron | | | | Details |
| IEU | Internal-External Upset|| | Internal-External Upset | Innen-Außen-Upset | Upset interne-externe | Details |
| IEU | Internal-External Upset | | | | Details |
| IGU | International Gas Union France | | | | Details |
| IGUA | Industrial Gas Users Association | | | | Details |
| IGUN | Gun Current | | | | Details |
| ILUM | illuminator(s) | | | | Details |
| IMU | Inertial Measurement Units | | | | Details |
| IMUs | Inertial Measurement Units | | | | Details |
| INDU | Indurated Shales Facies | | | | Details |
| insuff | insufficient | | | | Details |
| insul | insulate | | | | Details |
| INSUR | Inrun Survey Report | | | | Details |
| INTERQUISA | Intercontinental Quimica S.A. Spain | | | | Details |
| inUS | inch (U.S. survey) | | | | Details |
| IODU | Iodine (I) Uncertainty Output | | | | Details |
| IOU | I Owe You | | | | Details |
| IOU | investor-owned utilities | | | | Details |
| IRIU | Iridium (IR) Uncertainty Output | | | | Details |
| ISHU | Shunt Current | | | | Details |
| ISHU_SL | Shunt Current | | | | Details |
| ITU | International Telecommunications Union | | | | Details |
| IU | If Used | | | | Details |
| IU | see Internal Upset | | | | Details |
| IU | Im Urlaub | | | | Details |
| IUC | Inter University Center (PI) | | | | Details |
| IUD | instantaneous underbalance device | | | | Details |
| IUE | internal upset ends | | | | Details |
| IUG | Instrument Utility Gas | | | | Details |
| IUHTAUTC | If Used, Half Time ActUally To Count | | | | Details |
| IUP | Insitu Upgrading Process | | | | Details |
| IUPAC | International Union of Pure and Applied Chemistry | | | | Details |
| IUPIW | International Union of Petroleum & Industrial Workers | | | | Details |
| IUPS | inverse micro pound per square inch | | | | Details |
| J/UP | Jack Up Rig | | | | Details |
| JCUMWE | Joint Committee on Uniformity of Methods of Water Examination | | | | Details |
| JTU | jet treating unit | | | | Details |
| JU | Jack-Up drilling rig | | | | Details |
| JU | Jar Up | | | | Details |
| JU | Jack-Up (offshore) | | | | Details |
| JU | JUAN DE NOVA ISLAND | | | | Details |
| JUC | Jar Up pulling tool for C Core option (Slickline tools) | | | | Details |
| Jud | Riv Judith River | | | | Details |
| Jug | geophone | | | | Details |
| JUPC | Jubail United Petrochemical Co. Saudi Arabia | | | | Details |
| JUQ | JUAN DE NOVA ISLAND | | | | Details |
| Jur | Jurassic | | | | Details |
| juris | jurisdiction | | | | Details |
| JUS | Jar Up pulling tool for S Core option (Slickline tools) | | | | Details |
| KAUST | King Abdullah University of Science and Technology | | | | Details |
| Keo-Bur | Keokuk-Burlington | | | | Details |
| KFUPM | King Fahd University of Petroleum and Minerals | | | | Details |
| KISU | ECS Potassium-Sulfur Interference | | | | Details |
| KTAU | TDTK Near Tau | | | | Details |
| KU | KUWAIT | | | | Details |
| KUF1 | Uncorrected Far Gate 1 of TDTK | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Company | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Co. KSC Kuwait | | | | Details |
| KUN1 | Uncorrected Near Gate 1 of TDTK | | | | Details |
| KUS | Kappa Unit System | | | | Details |
| L U | lease use(gas) | | | | Details |
| L/Tus | Lower Tuscaloosa | | | | Details |
| Laud | Lauders | | | | Details |
| LAUF | lost and unaccounted for gas | | | | Details |
| lb/U.S.gal | GeoFrame legacy unit | | | | Details |
| LCUT | Cutoff Flag for Output SDF (LUMP) | | | | Details |
| LINUX | Linus torvalds UniX | | | | Details |
| lku | Lookup Data | | | | Details |
| LL/GR/NEU | Laterolog-Gamma Ray-Neutron | | | | Details |
| LL/NEU | Laterolog-Neutron | | | | Details |
| LL8U | Laterolog 8 Resistivity Unaveraged | | | | Details |
| LLCU | APS Measured Load Leveler Voltage | | | | Details |
| LLLU | LDS Long-Spaced LU Raw Window Count Rate | | | | Details |
| LNERRU | Linear Least Square Fit Error - Upgoing | | | | Details |
| LNINTU | Linear least square fit intercept of the | | | | Details |
| LNSLPU | Linear least square fit slope of the peak | | | | Details |
| LNUM | Lithofacies Number | | | | Details |
| LQCU | Log Quality Control in Americium Upper | | | | Details |
| LSPU | Long Spacing Pile-up | | | | Details |
| LTU | LITHUANIA | | | | Details |
| LU | LUXEMBOURG | | | | Details |
| LU | Long Upper Computed Window Count Rate | | | | Details |
| LU1 | Long Upper 1 Window Count Rate | | | | Details |
| LU12 | Long Upper 1-2 Window Count Rate (LU1+LU2 | | | | Details |
| LU2 | Long Upper 2 Window Count Rate | | | | Details |
| LUB | lubricator | | | | Details |
| lub | lubricate(ed)(ing)(tion) | | | | Details |
| LUBRIESUR | Lubricantes del Sur S.A. Spain | | | | Details |
| LUBRINER | Lubricantes Nervion S.A. Spain | | | | Details |
| LUBRITURIA | Lubricantes Turia S.A. Spain | | | | Details |
| LUBV | Lubricator Valve | | | | Details |
| Lued | Lueders | | | | Details |
| LUF | Luxembourg franc | | | | Details |
| LUG | Ise use gas | | | | Details |
| LUK | Liner Unterkante | | | | Details |
| LUK | Lukoil Russia | | | | Details |
| LUL | Equiptment Location | | | | Details |
| LUMI | Luminescence Log | | | | Details |
| LUMP_FLAG | Channel created during lump processing to | | | | Details |
| LUN | Logical Unit Number | | | | Details |
| LUP | Land Using Planning | | | | Details |
| LURH | Long Upper Bulk Density | | | | Details |
| LUST | Leaking Underground Storage Tanks | | | | Details |
| LUX | LUXEMBOURG | | | | Details |
| LUX | light hytrocrackate | | | | Details |
| m u NN | Mter Uber Normalnull | meter above sea level | | | Details |
| M/U | Make Up (Damenutensil) | | | | Details |
| M/U | Make up | | | | Details |
| MARICONSULT | Technical support to Transmed Algeria | | | | Details |
| MBTU | thousand British thermal units | | | | Details |
| MBU | Multi rate Build Up | | | | Details |
| McCul | McCullough | | | | Details |
| MCUGP | Milled Casing Underreamed Gravel Pack | | | | Details |
| MEDGULF | Mediterranean and Gulf Insurance and Reinsurance Company | | | | Details |
| MFUL | Upper Limit Mineral Fraction | | | | Details |
| MHOURS | Thousand Hours (same as KHRS) | | | | Details |
| MICU | moving in completion unit | | | | Details |
| MIDDU | moving(moved) in double drum unit | | | | Details |
| MINU | GR minus Uranium | | | | Details |
| MINUS_15V | -15 V supply | | | | Details |
| MINUS_15V_SL | -15 V supply - Station Log | | | | Details |
| MINUTE | minute | | | | Details |
| MINUTES | minute | | | | Details |
| MIPU | moving in pulling unit | | | | Details |
| MIRU | Move in, Rig up | | | | Details |
| MIRU | Move In and Rig Up | | | | Details |
| MIRU | moving in and rigging up | | | | Details |
| MIRUSU | moving in rigging up swabbing units | | | | Details |
| MIU | moisture impurities and unsaponifiabales | | | | Details |
| miuob | Viscosity at bubble point pressure | | | | Details |
| miUS | mile (U.S. survey) | | | | Details |
| MLU | mud logging unit | | | | Details |
| MM USD | Million Dollars – USA (currency unit) | | | | Details |
| MMBTU | Million British Thermal Unit (See comment on BT) | | | | Details |
| MMBtu | million British thermal units | | | | Details |
| MMBTU | Million Metric British Thermal Unit | | | | Details |
| MMBtu/hr | million British thermal units per hour | | | | Details |
| MMBtu/scf | million British thermal units per standard cubic foot | | | | Details |
| MMHOURS | Million Hours | | | | Details |
| MMU | Mudline Make-up Release | | | | Details |
| MMUR | Mudline Make-up Release | | | | Details |
| MNEU | Miscellaneous Neutron | | | | Details |
| MNU | Marker Number | | | | Details |
| MNUM | Mode Number | | | | Details |
| MOCU | moving out completion unit | | | | Details |
| MODU | Mobile Offshore Drilling Unit | | | | Details |
| MODU | Mobile Offshore Drilling Units | | | | Details |
| modu | modular | | | | Details |
| Molchschleuse | Scraper trap | | | | Details |
| MOPU | Mobile Offshore Production Unit | | | | Details |
| MOU | Memorandum of Understanding | | | | Details |
| MOU | motor oil units | | | | Details |
| MPU | Mobile Production Unit | | | | Details |
| MSU | Molecular Sieve Unit | | | | Details |
| MTU | Mobil prod Test Unit | | | | Details |
| MU | Make Up | | | | Details |
| MU | OMAN | | | | Details |
| MU | MAURITIUS | | | | Details |
| MÜA | Meter über Adria Niveau | "meter above sea level" in Germany & Austria | | | Details |
| MUD | Mud Log | | | | Details |
| Mud | drilling mud Usually a slurry of weighting and fluid-loss control solids in a liquid | | | | Details |
| MUD | Mud Log/Focus Log | | | | Details |
| mud | wt mud weight | | | | Details |
| MUD | Mud Attenuation | | | | Details |
| MUD | mud | | | | Details |
| MUDF | mud filtrate | | | | Details |
| MUDF | Mud Flag (bias scattering) | | | | Details |
| MUDHSE | Mud Hydraulic Support Efficiency | | | | Details |
| mudst | mudstone | | | | Details |
| MUDT | Mud Temperatire Log | | | | Details |
| MUDW | Mud Weight | | | | Details |
| MUEA | Meter über Adria Niveau | "meter from sea level" in Germany & Austria | | | Details |
| Mug | viscosity of gas | | | | Details |
| MUHH | Dummy Outp. Match Viscosity Units | | | | Details |
| MULT | Multiple Reflection Coefficient (Primaries Reflection_Coefficient | | | | Details |
| MULTX | multiply, multiplexer | | | | Details |
| muob | Viscosity at bubble point pressure | | | | Details |
| MUON | Multiple Reflection Coefficient (Multiples Reflection_Coefficient | | | | Details |
| MUP1 | MS_1 Upper Valve Position | | | | Details |
| MUP1_DL | MRMS 1 Upper Valve Position | | | | Details |
| MUP2 | MRMS 2 Upper Valve Position | | | | Details |
| MUP2_DL | MRMS 2 Upper Valve Position | | | | Details |
| MUR | Mauritius Rupee | | | | Details |
| MURA | HNGS (HURA - SURA) | | | | Details |
| MURAG | Fully Automated Fluid Level Measurement Tool | | | | Details |
| MUS | MAURITIUS | | | | Details |
| musc | muscovite | | | | Details |
| MUSC | Muscovite | | | | Details |
| MuSol | Mutual Solvent | | | | Details |
| MUT | Make Up Torque | | | | Details |
| MUX | middle hydrocrackate | | | | Details |
| MUX | Multiplex | | | | Details |
| N/U | Nipple up | | | | Details |
| N/U | Nipple Up Assemble | | | | Details |
| nautmi | nautical mile | | | | Details |
| NBSU | Number Of Averaged Subframes | | | | Details |
| NCPU | NPLC DHC CPU Utilization | | | | Details |
| NDSU | RST Near MCS Spectrum | | | | Details |
| NEU | Neutron (Cased Hole) | | | | Details |
| NEU | Neutron (Open Hole) | | | | Details |
| NEU | Neutron Log | | | | Details |
| NEU | Neutron Count Rate | | | | Details |
| NEU | Neutron Count Rate | | | | Details |
| NEU | Neutron | | | | Details |
| NEU | Neutron_Porosity | | | | Details |
| NEUT | Neutron Log | | | | Details |
| NEUT | neutron | | | | Details |
| neut | neutral neutralization | | | | Details |
| NEUT | Neutron | | | | Details |
| Neut. | No. Neutralization Number | | | | Details |
| Neutron | Ray | | | | Details |
| NFL/GR/NEU | Nuclear Flolog-Gamma Ray Neutron | | | | Details |
| NFL/NEU | Nuclear Flolog-Neutron | | | | Details |
| NIU | NIUE | | | | Details |
| NLA/LUP | No Leasing, Administrative/Land Use Planning | | | | Details |
| NLL/GR/NEU | Neutron Lifetime G/R-Neutron | | | | Details |
| NLL/NEU | Neutron Lifetime Neutron | | | | Details |
| NOKUS | NOrsk Kontrollert Utenlandsk Selskap i lavskatteland (Norwegian controlled foreign company in lowtax country) | | | | Details |
| NPHU | Neutron Porosity Uncorrected for Salinity | | | | Details |
| NPU | Nitrogen Production Unit | | | | Details |
| NRU | NAURU | | | | Details |
| NRU | Nitrogen Removal Unit | | | | Details |
| NTMU | Normalized Thickness Permeability | | | | Details |
| NTU | Nephelometric Turbidity Unit (see comment!) | | | | Details |
| NTU | Nephelometric Turbidity Units (100 is low and almost potable, try to get below 20 for completions) | | | | Details |
| NTU | nephelometric turbidity unit, a unit used in measuring water quality An instrument called a nephelometer (from a Greek word meaning "cloudy") measures turbidity directly by comparing the amount of light transmitted straight through a water sample with the amount scattered at an angle of 90° to one side; the ratio determines the turbidity in NTU's NTU measurements can be confused by the base color of the water from stains that may not create damage in the rock | | | | Details |
| NU | Non Upset Verbinder | | | | Details |
| NU | Nipple Up | | | | Details |
| NU | NICARAGUA | | | | Details |
| NU | NIUE | | | | Details |
| NU | naphfining unit | | | | Details |
| NU | nippled(ing) up | | | | Details |
| NU | nonupset | | | | Details |
| NUBOPs | nipple(ed)(ing) up blowout prevents | | | | Details |
| NUCA | Neutron Caliper | | | | Details |
| NUCP | Smoothed Neutron Porosity | | | | Details |
| NUCR | Nuclear | | | | Details |
| NUE | Non-Upset End (see comment!) | | | | Details |
| NUE | nonupset ends | | | | Details |
| Nug | nugget | | | | Details |
| num | numerous | | | | Details |
| NUMAR | Magnetic Resonance Image Log | | | | Details |
| NUM_MSG | Number of Messages | | | | Details |
| NUM_MSG_SL | Number of Messages - Station Log | | | | Details |
| NUS | Negative Unit Slope | | | | Details |
| NUT | nipple up tree | | | | Details |
| NUWH | nippling up wellhead | | | | Details |
| NVU | Near Voltage UP | | | | Details |
| O/pull | Overpull | | | | Details |
| OABUAE | OMV Abu Dhabi Offshore GmbH | | | | Details |
| OAU | Organization of African Unity | | | | Details |
| OAUST | OMV AUSTRALIA PTY LTD | | | | Details |
| OBUs | Offshore Banking Units | | | | Details |
| OCUT | Oil Cut | | | | Details |
| ODUNA | DUNATÀR Köolajtermék Tároló és Kereskedelmi Kft. | | | | Details |
| OFLU | oil fluorescence | | | | Details |
| OFSUSD | OMV Finance Solutions USD GmbH | | | | Details |
| OGU | Oil & Gas & Unknown | | | | Details |
| OHUN | OMV Hungária Ásványolaj Korlátolt Felelösségü Társaság | | | | Details |
| OIL_VOLUME | Oil volume produced | | | | Details |
| OMVRUS | OMV Russia Upstream GmbH | | | | Details |
| ONAFRU | OMV Offshore (Namibia) GmbH | | | | Details |
| OSDU | Open Subsurface Data Universe | | | | Details |
| OSUPE | OMV Supply & Trading AG | | | | Details |
| OU | oil unit | | | | Details |
| OU | Operating Unit | | | | Details |
| OUBP | Operating Unit Business Plan | | | | Details |
| OUCP | Offset Used to Compute SGP | | | | Details |
| OUCP_DL | Offset Used to Compute SGP | | | | Details |
| OUDE | Outside Diameter Edge | | | | Details |
| ÖUK | Öl Unterkante | Oil down to | | | Details |
| OUP | Oil Up To | | | | Details |
| OUPI | OMV Upstream International GmbH | | | | Details |
| Our | Ouray | | | | Details |
| OURA | Offset Due to Borehole Effects on the | | | | Details |
| OUT | Outpost, Lahee classification | | | | Details |
| OUT | Oil Up To | | | | Details |
| OUT0 | Output #1 For Depth/Time Conversion | | | | Details |
| OUT1 | Output #2 For Depth/Time Conversion | | | | Details |
| OUT2 | Output #3 For Depth/Time Conversion | | | | Details |
| OUT3 | Output #4 For Depth/Time Conversion | | | | Details |
| OUT4 | Output #5 For Depth/Time Conversion | | | | Details |
| OUT5 | Output #6 For Depth/Time Conversion | | | | Details |
| OUT6 | Output #7 For Depth/Time Conversion | | | | Details |
| OUT7 | Output #8 For Depth/Time Conversion | | | | Details |
| OUT8 | Output #9 For Depth/Time Conversion | | | | Details |
| OUT9 | Output #10 For Depth/Time Conversion | | | | Details |
| OUTL | Outlook | | | | Details |
| P/U | Pick up | | | | Details |
| P1UP | Phase at Receiver 1, Sub Up Measurement | | | | Details |
| P2UP | Phase at Receiver 2, Sub Up Measurement | | | | Details |
| PAU | Pre-Assembled Unit | | | | Details |
| PAUCP | MRPA upper contact point distance | | | | Details |
| PAUCP_DL | MRPA upper contact point distance | | | | Details |
| PBU | Pressure Build Up (applies to integrity testing on valves) | | | | Details |
| PBU | Pressure Build Up survey (well) | | | | Details |
| PBU | Pressure Build Up | | | | Details |
| PDYNHU | PETRODYNE-CSEPEL Zrt. | | | | Details |
| PEQUIVEN | Petroquimica de Venezuela Venezuela | | | | Details |
| PERUPETRO | Peru Petro S.A. Peru | | | | Details |
| PETRO-ECUADOR | Petroleos de Ecuador Ecuador | | | | Details |
| PETRO-INDUSTRIAL | Empresa Estatal de Industrializacion de Petroles del Ecuador Ecuador | | | | Details |
| PETRO-PRODUCTION | Empresa Estatal de Exploration y Produccion de Petroleos del Ecuador Ecuador | | | | Details |
| PETROGUIN | National Petroleum Co. of Guinea-Bissau (formerly PETROMINAS) Guinea-Bissau | | | | Details |
| PETROPERU | Petroleos del Peru Peru | | | | Details |
| PETROQUISA | Petrobras Quimica S.A. Brazil | | | | Details |
| PETROSUR | Petroleos del Sur S.A. Spain | | | | Details |
| PEU | Photoelectric Factor, Up | | | | Details |
| PGBU | Bottom-hole pressure gauge build-up | | | | Details |
| PHUN | Pressure 100s Digit | | | | Details |
| PHUR | User Defined Porosity | | | | Details |
| PLUG | Plug | | | | Details |
| PLUS_15V | +15 V supply | | | | Details |
| PLUS_15V_SL | +15 V supply - Station Log | | | | Details |
| PLUS_5V | +5 V supply | | | | Details |
| PLUS_5V_SL | +5 V supply - Station Log | | | | Details |
| PLUT | Plus Calibration Temperature | | | | Details |
| PMCU | Pump Motor Current | | | | Details |
| PMCU_DL | Pump Motor Current | | | | Details |
| PMU | Petroleum Management Unit (dept of Petronas) | | | | Details |
| PMU | Portable Measurement Unit | | | | Details |
| PMUM | Piyasa Mali Uzlaştırma Merkezi (Turkey) | | | | Details |
| pneu | pneumatic | | | | Details |
| POTU | Potassium (K) Uncertainty Output | | | | Details |
| POUND | pound mass (avoirdupois) | | | | Details |
| POUNDS | pound mass (avoirdupois) | | | | Details |
| pour | ASTM pour point(ASTM method) | | | | Details |
| POUV | Pressure Operated Underbalance Valve | | | | Details |
| PPU | Production Potential Utilization | | | | Details |
| PPU | Pay Per User | | | | Details |
| PPUC | MRPP Surface Current | | | | Details |
| PPUC_DL | MRPP Surface Current | | | | Details |
| PPUV | MRPP Surface Voltage | | | | Details |
| PPUV_DL | MRPP Surface Voltage | | | | Details |
| PQPU | MRPA Quartz Pressure Ones | | | | Details |
| PRC NEU | PFC Neutron | | | | Details |
| PSGU | MRPA Strain Gauge Pressure Ones | | | | Details |
| PSRU | UP Phase Shift Resistivity | | | | Details |
| PSU | Portable Sampling Unit | | | | Details |
| PSU | Practical Salinity Unit | | | | Details |
| PSU | Phase Shift Up | | | | Details |
| PSUA | Pressure Sink Mitigation | | | | Details |
| PSUL | LDS Long-Spaced Pulse Shape Compensation | | | | Details |
| PSUR | Pressure, Surface | | | | Details |
| PSUS | LDS Short-Spaced Pulse Shape Compensation | | | | Details |
| PU | Power Unit | | | | Details |
| PU | PUmps | | | | Details |
| PU | Petroleum Unit | | | | Details |
| PU | Porosity Unit | Porosity in percentage | | | Details |
| PU | Pick Up (tbg, rods, power swivel, etc.) | | | | Details |
| PU | GUINEA-BISSAU | | | | Details |
| PU | picked up | | | | Details |
| PU | pulled up | | | | Details |
| PU | pumping unit | | | | Details |
| PU | Position Uncertainty | | | | Details |
| PU | Production Unit | | | | Details |
| PU | Fitting Coefficient of Volumetric | | | | Details |
| PUC | project ultimate cost | | | | Details |
| PUD | Proved Un-developed (US Reserves Term, requires plan in place, like Intl P2) | | | | Details |
| PUD | Proved Undeveloped Reserves | | | | Details |
| PUDP | picking up drillpipe | | | | Details |
| PUIC | pulled up in casing | | | | Details |
| PUK | Patriotic Union of Kurdistan | | | | Details |
| PUK | Perforation Unterkante | | | | Details |
| PULS | pulse(sating)(sation) | | | | Details |
| PULSES_SL | Water Flow Number Pulses | | | | Details |
| PUMV | Production upper master valve | | | | Details |
| PUN | Puncher Log | | | | Details |
| PUP | Processing Utilities Platform | | | | Details |
| PUR | Plant Upset Report | | | | Details |
| PURA | HNGS (HURA + SURA) | | | | Details |
| PURCH | purchasing | | | | Details |
| PURF | purification | | | | Details |
| purp | purple | | | | Details |
| PUWER | Provision and Use of Work Equipment Regulations | | | | Details |
| QEMU | EMS Unclassified Observations | | | | Details |
| Qouta | field rate limit pre-defined by authorities (like OPEC limits) | | | | Details |
| QRU | Quick Rig Up | | | | Details |
| QSYU | Quality Stripe, System, Unclassified | | | | Details |
| QU | JUAN DE NOVA ISLAND | | | | Details |
| QU | Standard Deviation on Volumetric | | | | Details |
| Quad | Quadrillion BTU. | | | | Details |
| Quad | Quadrangle | | | | Details |
| quad | quadrant, quadrangle, quadruple | | | | Details |
| QUAF | Dip Quality Factor | | | | Details |
| QUAL | qualitative | | | | Details |
| qual | quality | | | | Details |
| QUAL | quality indicator | | | | Details |
| quan | quantity | | | | Details |
| QUAR | Quartzite Facies | | | | Details |
| QUART | quart | | | | Details |
| quat | Quaternary | | | | Details |
| quest | questionable | | | | Details |
| QUIMAR | Quimica del Mar, S.A. Mexico | | | | Details |
| quint | quintuplicate | | | | Details |
| QURA | Uncertainty of the Uranium Channel (NGT | | | | Details |
| R/U | Rig up | | | | Details |
| RAMUR | High Resolution Radon Multiple Removal (CGGVeritas) | | | | Details |
| RAT(TH,U) | ThoriumUraniumRatio | | | | Details |
| RAT(U,K) | UraniumPotassiumRatio | | | | Details |
| RCNU | Raw Core Number | | | | Details |
| RCU | Remote Control Unit | | | | Details |
| RDBU | Raw Deep Button Conductance Up | | | | Details |
| RDSU | rigged-down swabbing unit | | | | Details |
| RECU | Raw Eddy Current, Upper Array | | | | Details |
| REFCU | Up-going reflection coefficient channel | | | | Details |
| REU | REUNION | | | | Details |
| REU | Recomputed Volumetric Photoelectric Factor Volumetric_Photoelectric_Facto VolumetricPhotoelectricFactor | | | | Details |
| REU1_HR | Eddy Current Upper Pad-1 HiRes Uncal | | | | Details |
| REU2_HR | Eddy Current Upper Pad-2 HiRes Uncal | | | | Details |
| REU3_HR | Eddy Current Upper Pad-3 HiRes Uncal | | | | Details |
| REU4_HR | Eddy Current Upper Pad-4 HiRes Uncal | | | | Details |
| REU5_HR | Eddy Current Upper Pad-5 HiRes Uncal | | | | Details |
| REU6_HR | Eddy Current Upper Pad-6 HiRes Uncal | | | | Details |
| rev out | reverse out | | | | Details |
| RFAU | Resistivity Of Fluid (Apparent) | | | | Details |
| RFLU | Raw Flux Leakage, Upper Array | | | | Details |
| RFSU | Ready For Start-Up | | | | Details |
| RFSU | Ready For Start Up | | | | Details |
| RFSU | Ready For Start-Up | | | | Details |
| RFU1_HR | Flux Leakage Upper Pad-1 HiRes Uncal | | | | Details |
| RFU2_HR | Flux Leakage Upper Pad-2 HiRes Uncal | | | | Details |
| RFU3_HR | Flux Leakage Upper Pad-3 HiRes Uncal | | | | Details |
| RFU4_HR | Flux Leakage Upper Pad-4 HiRes Uncal | | | | Details |
| RFU5_HR | Flux Leakage Upper Pad-5 HiRes Uncal | | | | Details |
| RFU6_HR | Flux Leakage Upper Pad-6 HiRes Uncal | | | | Details |
| RHLU | Raw High-Resolution Long Spacing Upper | | | | Details |
| RHOMU | clay corrected matrix density | | | | Details |
| RHUM | Raw Fluid Holdup Indicator | | | | Details |
| RIGU | Raw Gun Current | | | | Details |
| RKUF | Raw TDTM->TDTK Uncorrected Far Gate 1 | | | | Details |
| RKUN | Raw TDTM->TDTK Uncorrected Near Gate 1 | | | | Details |
| RLLU | Raw Long Lower Upper Cesium Peak Window | | | | Details |
| RLU | Raw Long Upper Count Rate | | | | Details |
| RLU1 | Raw Long Upper 1 Count Rate | | | | Details |
| RLU2 | Raw Long Upper 2 Count Rate | | | | Details |
| RLUL | Raw Long Upper Lower Cesium Peak Window | | | | Details |
| RLUU | Raw Long Upper Upper Cesium Peak Window | | | | Details |
| RNEU | Raw Neutron | | | | Details |
| ROBU | Bulk Density, Up Quadrant | | | | Details |
| ROLU | Long Spacing Bulk Density, Up Quadrant | | | | Details |
| ROMU | Bulk Density, Rotationally Corrected, Up | | | | Details |
| ROMU_CPX | clay/gas corrected matrix density | | | | Details |
| ROSU | Short Spacing Bulk Density, Up Quadrant | | | | Details |
| ROU | Radius Of Uncertainty | | | | Details |
| ROU | ROMANIA | | | | Details |
| RPHU | Raw Pressure 100s Digit | | | | Details |
| RRBU | Raw Resistivity Deep Button Up | | | | Details |
| RSCU | Raw Solenoid Current | | | | Details |
| RSCU_DL | Raw Solenoid Current | | | | Details |
| RSLU | Raw Short Lower Upper Cesium Peak Window | | | | Details |
| RSU | released swab unit | | | | Details |
| RSUL | Raw Short Upper Lower Cesium Peak Window | | | | Details |
| RSUU | Raw Short Upper Upper Cesium Peak Window | | | | Details |
| RTAU | Raw TAU | | | | Details |
| RTU | Remote Terminal Unit | | | | Details |
| RTU | remote telemetry unit | | | | Details |
| RTU | True Resistivity Undiscriminated From | | | | Details |
| RU | Rig Up | | | | Details |
| RU | RUSSIAN FEDERATION | | | | Details |
| RU | rigging up, rigged up | | | | Details |
| RU | rig(ged)(ging) up | | | | Details |
| RU | rotary unit | | | | Details |
| RUAM | Raw Upper Attenuation from Module | | | | Details |
| RUAT | Raw Upper Attenuation from Tool | | | | Details |
| RUB | Russian Ruble | | | | 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 |
| RUGR | Raw Upper Detector Gamma Ray | | | | Details |
| RUL | Regular unleaded gasoline | | | | Details |
| RUM | rigging-up machines | | | | Details |
| RUN | Run Number | | | | Details |
| RUP | rigging-up pump | | | | Details |
| RUPR | Plus Reference Uncal Upper Array | | | | Details |
| rupt | rupture | | | | Details |
| RURA | Raw Uranium Output | | | | Details |
| RURT | rigging up rot ary t o. ols | | | | Details |
| RURT | rigging-up rotary tools | | | | Details |
| RUS | RUSSIAN FEDERATION | | | | Details |
| RUSR | rigging-up service rig | | | | Details |
| RUST | rigging-up standard tools | | | | Details |
| RUSU | rigging up swabbing unit | | | | Details |
| RUSU | rigging-up swabbing unit | | | | Details |
| RUT | rigging-up tools | | | | Details |
| RUZR | Zero Reference Uncal Upper Array | | | | Details |
| RV1U | Step 1 Offset for Upper Electrode | | | | Details |
| RV3U | Step 3 Offset for Upper Electrode | | | | Details |
| RVU1 | U Potential Difference In Step 1 | | | | Details |
| S1PU | HNGS Detector 1 Pileup Countrate | | | | Details |
| S2PU | HNGS Detector 2 Pileup Countrate | | | | Details |
| SADCOP-MAHRUKAT | Syrian Storing and Distributing Co., Petroleum Products Syria | | | | Details |
| SAU | SAUDI ARABIA | | | | Details |
| Saudi | Aramco Saudi Arabian Oil Company | | | | Details |
| SAUDI | Saudi Arabian Oil Company ARAMCO Saudi Arabia | | | | Details |
| Saudi Aramco | Saudi Arabian Oil Company | | | | Details |
| Saudia | Saudi Arabian Airlines | | | | Details |
| SBU | strategic business unit | | | | Details |
| SBUF | Sigma Borehole Uncorrected - Far Detector | | | | Details |
| SBUN | Sigma Borehole Uncorrected - Near Detector Neutron_Capture_Cross_Section | | | | Details |
| SCAU | Scandium (SC) Uncertainty Output | | | | Details |
| Schleuse | Lubricator for running | | | | Details |
| Schlucksonde | Schluckbohrung | Disposal well, | | | Details |
| Schnittteufe | Cut window depth | | | | Details |
| scrub | scrubber | | | | Details |
| SCSU | Statistical Uncertainty in Excess | | | | Details |
| SCU | Surface Control Unit | | | | Details |
| SCUR | Solenoid Current | | | | Details |
| SCUR_DL | Solenoid Current | | | | Details |
| SDM/U | Subsea Distribution Module/Unit | | | | Details |
| SDU | Subsea Distribution Unit | | | | Details |
| SDU | Standard Deviation of Uranium - NGT | | | | Details |
| SDU/M | Subsea Distribution Unit/Module | | | | Details |
| SEAUMY | SapuraOMV Upstream (Australia) Sdn. Bhd. | | | | Details |
| SECGU | Section Gauge Log | | | | Details |
| Semi (or Semi-Sub) | Semi-Submersible Drilling Rig | | | | Details |
| SEQSU | Sequential Survey | | | | Details |
| SEUPMY | SapuraOMV Upstream (Holding) Sdn. Bhd. | | | | Details |
| SEWEAU | SapuraOMV Upstream (Western Australia) Pty Ltd | | | | Details |
| SFLU | slight, weak, or poor fluorescence | | | | Details |
| SFLU | Spherical Focused Resistivity unaveraged | | | | Details |
| SFLU | SFL Resistivity Unaveraged | | | | Details |
| SG1U | PS_1 Strain Gauge Pressure Ones Digit | | | | Details |
| SG2U | MRPS 2 Vertical Strain Gauge Pressure Ones Pressure_Digit | | | | Details |
| SG3U | MRPS 3 Vertical Strain Gauge Pressure Ones Pressure_Digit | | | | Details |
| SGU | thousand kilograms per cubic meter | | | | Details |
| SGUN | Squeeze Gun | | | | Details |
| SILU | Silver (AG) Uncertainty Output | | | | Details |
| SIMDUT | Système d'information sur les matières dangereuses utilisées au travail (see WHMIS) | | | | Details |
| SKU | Stock keeping unit | | | | Details |
| SLUR | slurry | | | | Details |
| SMUL | Synthetic Seismogram (Convolved Primaries | | | | Details |
| SMUO | Synthetic Seismogram (Convolved Multiples | | | | Details |
| SNGPRU | OJSC SEVERNEFTEGAZPROM | | | | Details |
| SNUB | snubber, snubbing | | | | Details |
| SNUFF | snuffing | | | | Details |
| SNUM | Shot Number | | | | Details |
| SNUR | Significant New Use Rule | | | | Details |
| SOAU | Average Standoff UP | | | | Details |
| SOGUIP | Societe Guineane de Petroles Guinea | | | | Details |
| SONU | Minimum Standoff UP | | | | Details |
| SOQUIP | Societe Quebecoise d’Initiatives Petrolieres Canada | | | | Details |
| SOUPMY | SapuraOMV Upstream Sdn. Bhd. | | | | Details |
| SOXU | Maximum Standoff UP | | | | Details |
| SPATNU | PAT-E Status 6in Numeric | | | | Details |
| SPATU61 | PAT-E Status Uncal 6-In, 1hz | | | | Details |
| SPATU660 | PAT-E Status Uncal 6in, 60hz | | | | Details |
| SPCU | Subsea Power and Control Unit | | | | Details |
| Spectrum | A Function of Frequency | | | | Details |
| SPUD | Start Production of Unconventional Drilling | | | | Details |
| Spud | Date date actually started drilling | | | | Details |
| SPULSE | Slim Pulse MWD Directional | | | | Details |
| SRU | sulfur recovery unit | | | | Details |
| SRU | Sulphur Recovery Unit | | | | Details |
| SRU | Surface Read-out Unit | | | | Details |
| SRU | Sulphur Recovery Unit | | | | Details |
| SSPU | Short Spacing Pile-up | | | | Details |
| SSU | Subsea Umbilicals | | | | Details |
| SSU | Saybolt Seconds Universal | | | | Details |
| SSUA | Sub Surface Uncertainty Assassment | | | | Details |
| SSUC | Statistical Uncertainty in Corrected | | | | Details |
| SSUD | Statistical Uncertainty in Dry Weight | | | | Details |
| SSUW | salty sulfur water | | | | Details |
| SSUW | Statistical Uncertainty in Wet Weight | | | | Details |
| Steigleitung | stand pipe on drilling rig, or Tubing in a well | Stand pipe or tubing | | | Details |
| SteuSchl | Steuerschlüssel | | | | Details |
| STIMU | Stimulation Report | | | | Details |
| STPU | APS Uncorrected Standoff Porosity | | | | Details |
| struc | structure, structural | | | | Details |
| STU | Steel Tube Umbilical | | | | Details |
| stub | Length of small-diameter distribution pipeline form the main line to the customer’s property or meter location | | | | Details |
| ST_ENVU | Envelope of time domain up-going | | | | Details |
| ST_FSDU | Fourier transform of ST_SDD(Up-going | | | | Details |
| ST_FSRU | Fourier transform of ST_SRD(Up-going | | | | Details |
| ST_RTUSA | Stacked time domain up-going reflection | | | | Details |
| ST_RWU | Frequency domain up-going reflection | | | | Details |
| ST_RWUSA | Stacked frequency domain up-going | | | | Details |
| ST_SDU | Up-going Direct wave | | | | Details |
| ST_SRU | Up-going Reflected wave | | | | Details |
| ST_SRWU | Frequency domain up-going reflection | | | | Details |
| Su | Surface|| | Surface | Oberfläche | Surface | Details |
| SU | SUDAN | | | | Details |
| SU | Sicherheit Unterweisung (Safety moment, meeting ….) | | | | Details |
| Su | Surface | | | | Details |
| SU | Start Up | | | | Details |
| SUA | Subsurface Uncertainty Assassment | | | | Details |
| sub | subsidiary | | | | Details |
| sub | substance | | | | Details |
| sub | angl subangular | | | | Details |
| Sub | Clarks sub-Clarksville | | | | Details |
| sub | rnd subrounded | | | | Details |
| sub | sub | | | | Details |
| sub angl | subangular | | | | Details |
| sub rnd | sub rounded | | | | Details |
| sub rnd | subrounded | | | | Details |
| SUB1 | CSAT-1 Substroke | | | | Details |
| SUB2 | CSAT-2 Substroke | | | | Details |
| SUB3 | CSAT-3 Substroke | | | | Details |
| SUB4 | CSAT-4 Substroke | | | | Details |
| subang | subangular | | | | Details |
| subd | subdivision | | | | Details |
| SUBDATUM | Distance from datum used in Geoshare | | | | Details |
| subrnd | subrounded | | | | Details |
| SUBST | substitute | | | | Details |
| substa | substation | | | | Details |
| suc | sucrose, sucrosic | | | | Details |
| suc | sucrosic | | | | Details |
| Suco | Suez Oil Company | | | | Details |
| SUCO | Suez Oil CompanyEgypt | | | | Details |
| sucr | sucrosic | | | | Details |
| suct | suction | | | | Details |
| SUD | Statistical Uncertainty in Dry Weight | | | | Details |
| sug | sugary | | | | Details |
| SUGI | Gas Saturation in the Primary | | | | Details |
| SUIW | Irreducible Water Saturation in the | | | | Details |
| SUKEP | Shell UK Exploration and Production Limited | | | | Details |
| sul | sulfur, sul2hur | | | | Details |
| Sul | dk | | | | Details |
| Sul | trpt | | | | Details |
| sul | sulfur | | | | Details |
| sul | wtr sulfur water | | | | Details |
| SULF | sulfur, sulfuric | | | | Details |
| sulf | sulfated | | | | Details |
| SUM | summarize | | | | Details |
| sum | summary | | | | Details |
| Sum | Summerville | | | | Details |
| SUMED | Arab Petroleum Pipelines Co. Egypt & others | | | | Details |
| SUML | Summarised Log | | | | Details |
| Sump | another name for the waste pit | | | | Details |
| Sumpf | Rat hole in a well, sump | Rat hole in a well, sump | | | Details |
| SUMRE | Summary Report | | | | Details |
| SUMST | Geological Summary Sheet | | | | Details |
| Sunb | Sunburst | | | | Details |
| Sund | Sundance | | | | Details |
| SUOI | Oil Saturation in the Primary | | | | Details |
| Sup | Supai | | | | Details |
| sup | supported | | | | Details |
| supl | supply(ied)(ier)(ing) | | | | Details |
| SUPO | Surface Use Plan of Operations | | | | Details |
| supp | supplement | | | | Details |
| suppt | support | | | | Details |
| suprv | supervisor | | | | Details |
| supsd | superseded | | | | Details |
| supt | superintendent | | | | Details |
| Sur | Surface|| | Surface | Oberfläche | Surface | Details |
| SUR | SURINAME | | | | Details |
| Sur | survey | | | | Details |
| Sur | Surface | | | | Details |
| SUR | CIS rouble | | | | Details |
| SURE | Name fo a reservoir simulating software | | | | Details |
| SURF | Subsea/Umbilicals/Risers/Flowlines | | | | Details |
| SURF | subsea, umbilicals, riser, flowline | | | | Details |
| surf | surface | | | | Details |
| SURF | surface | | | | Details |
| SURFR | Surface Sampling Report | | | | Details |
| Surp | surplus | | | | Details |
| SURRE | Survey Report | | | | Details |
| SURT | Time when survey was taken or entered by | | | | Details |
| surv | survey | | | | Details |
| SURVL | Survey Chart Log | | | | Details |
| SUS | Supsension | | | | Details |
| sus | suspended | | | | Details |
| SUS | Saybolt universal seconds | | | | Details |
| Süß | Süßwasser | | | | Details |
| SUSA | Safe and UnSafe Acts | | | | Details |
| susp | suspended | | | | Details |
| SUSP | CLG suspended ceiling | | | | Details |
| SUT | Society for Underwater Technology UK | | | | Details |
| SUT | Schönkirchen Übertief | | | | Details |
| SUT(A/B) | Subsea Umbilical Termination (Assembly/Box) | | | | Details |
| SUTI | System Utilization | | | | Details |
| SUTU | Subsea Umbilical Termination Unit | | | | Details |
| SUUR | User Defined Saturation in Undisturbed | | | | Details |
| SUV | Survey | | | | Details |
| SUV | Saybolt universal viscosity | | | | Details |
| SUW | Statistical Uncertainty in Wet Weight | | | | Details |
| SUWI | Non-Clay Water Intergranular Water Saturation for Undisturbed Zone | | | | Details |
| SUWI | Non-Clay Water Intergranular Water | | | | Details |
| svcu | service unit | | | | Details |
| SWBU | Bound Water Saturation Uncorrected | | | | Details |
| SWU | swabbing unit | | | | Details |
| SWU | Water Saturation Computed | | | | Details |
| SWUR | User Defined Saturation for Flushed Zone | | | | Details |
| SXOU | Water Saturation in the Flushed Zone - | | | | Details |
| sxtu | sextuple | | | | Details |
| SXUR | User Defined Saturation for the Flushed | | | | Details |
| TASBU | TASBULAT OIL CORPORATION LLP | | | | Details |
| TAU | Neutron Decay Time | | | | Details |
| TAU2 | Decay Time of the Second TDT Run | | | | Details |
| TAU_SL | TAU (Near) | | | | Details |
| TCU | Thermal Combustion Unit | | | | Details |
| TEMP/NEU | Temperature-Neutron | | | | Details |
| TEU | Standard 20' container | | | | Details |
| TGTU | Tail Gas Treatment Unit | | | | Details |
| TGU | Thermal Gasoil Unit | | | | Details |
| THOU | Thorium (TH) Uncertainty Output | | | | Details |
| thru | through | | | | Details |
| THUMS | A combine: Texaco, Inc., Humble Oil & Refining Co., Union Oil Co. of California, Mobil Oil Corp., and Shell Oil Co. | | | | Details |
| Thur | Thurman | | | | Details |
| TMU | Trailer Mounted Unit | | | | Details |
| TN1U | Thermal Neutron porosity bank 1, Up | | | | Details |
| TN2U | Thermal Neutron porosity bank 2, Up | | | | Details |
| TNPU | Thermal Neutron Porosity, Up | | | | Details |
| TNRU | Calibrated Thermal Neutron Ratio, Up | | | | Details |
| tolu | toluene | | | | Details |
| tonUK | long ton (U.K.) | | | | Details |
| tonUS | short ton (U.S.) | | | | Details |
| TOPU | Topsides Umbilical Termination Unit | | | | Details |
| TOUG | Toughness | | | | Details |
| TPUV | Output For Tool Power Unit Voltage | | | | Details |
| TR1U | Thermal ratio bank 1, Up | | | | Details |
| TR2U | Thermal ratio bank 2, Up | | | | Details |
| TRAMPU | Amplitude of time domain reflection | | | | Details |
| Trip out | To remove the drillstring from the wellbore. | | | | Details |
| TRL/NEU | Tracer Log-Neutron | | | | Details |
| TRU | Thermal Reclaimer Unit | | | | Details |
| TSBU | Technical Service Business Unit | | | | Details |
| TTCU | Transit Time computed uphole | | | | Details |
| TU | Testing Unit|| | Testing Unit | Prüfstelle | Tests unitaires | Details |
| TU | Team Up|| | team Up | sich zusammen tun | team Up | Details |
| TU | Tune Up|| | Tune Up | Tune Up | Mise au point | Details |
| TU | Tritium Unit (1 TU = 0.118 Bq/kg for water) | | | | Details |
| TU | TUNISIA | | | | Details |
| TU | TURKEY | | | | Details |
| TU | TUNISIA | | | | Details |
| TU | Testing Unit | | | | Details |
| TU | Team Up | | | | Details |
| TU | Tune Up | | | | Details |
| TUB1 | Tubing String Number 1 | | | | Details |
| TUB2 | Tubing String Number 2 | | | | Details |
| TUB3 | Tubing String Number 3 | | | | Details |
| TUB4 | Tubing String Number 4 | | | | Details |
| TUB5 | Tubing String Number 5 | | | | Details |
| tube turn | Prefabricated piece of pipeline (allows change of direction of a pipeline without field bending the pipeline) | | | | 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 |
| tuf | tuffaceous | | | | Details |
| TUF | TUFF | | | | Details |
| TUF | transportation- and utilization facilities | | | | Details |
| Tul | Cr Tulip Creek | | | | Details |
| TUM | Tracked Umbilical Machine | | | | Details |
| TUMAS | Turkish Engineering Consultancy & Contracting Corp. Turkey | | | | Details |
| TUN | TUNISIA | | | | Details |
| TUNE_WORD | Tune Word Set for Tuning Relay | | | | Details |
| TUNE_WORD_SL | Tune Word Set for Tuning Relay - Station | | | | Details |
| tung | carb tungsten carbide | | | | Details |
| Tupras | Turkiye Petrol Raffinerileri | | | | Details |
| TUPRAS | Turkiye Petrol Rafinerileri A.S. Turkey | | | | Details |
| TUR | TURKEY | | | | Details |
| TURA | Thorium-Uranium Ratio | | | | Details |
| TURA | Thorium/Uranium Ratio | | | | Details |
| TURB | turbo, turbine | | | | Details |
| TURV | Total Bit Revolution Rate | | | | Details |
| Tus | Tuscaloosa | | | | Details |
| TUTA | Topside Umbilical Termination Assembly (subsea umbilical) | | | | Details |
| TUTU | Topside Umbilical Termination Unit | | | | Details |
| TUV | TUVALU | | | | Details |
| TUWT | Tubing weight | | | | Details |
| VDU | Vacuum Distillation Unit, used in processing bitumen | | | | Details |
| VDU | Visual Display Unit | | | | Details |
| Vented plug | See Comment | | | | Details |
| VFUP | Computed Up Flow | | | | Details |
| VMUS | Volume of Muscovite Relative to Total | | | | Details |
| VQUA | Volume of Quartz Relative to Total Volume | | | | Details |
| VQUA | Volume of Quartz Relative to Total Volume | | | | Details |
| VrgDauer | Vorgangsdauer | | | | Details |
| VRU | vapor recovery unit | | | | Details |
| VSNU | VSP Shot Number | | | | Details |
| VSUC | Volume of Shale from Uranium | | | | Details |
| VU | VANUATU | | | | Details |
| VUBW | Volume of Bound Water in Undisturbed Zone | | | | Details |
| VUDS | Undistd Zone Volume Fraction Dissolved | | | | Details |
| VUFW | Undistd Zone Volume Fraction Free Water | | | | Details |
| Vug | a large open pore feature May be associated with chemical dissolution of part of the matrix over geologic time | | | | Details |
| vug | Vugular, Vuggy | | | | Details |
| vug | vuggy | | | | Details |
| vug | vugular | | | | Details |
| vug | vugs | | | | Details |
| VUGA | Volume of Gas in Undisturbed Zone | | | | Details |
| VUGA | Volume of Gas in Undisturbed Zone | | | | Details |
| VUHY | Undistd Zone Volume Fraction Hydrocarbon | | | | Details |
| VUIW | Volume of Irreducible Water In Undisturbed Undisturbed_Zone_Irreducible_W StandardVolumeRatio | | | | Details |
| VUMI | Undistd Zone Volume Fraction of Mineral | | | | Details |
| VUOI | Volume of Oil in Undisturbed Zone | | | | Details |
| VUOI | Volume of Oil in Undisturbed Zone | | | | Details |
| VUSF | Volume of Special Fluid In Undisturbed | | | | Details |
| VUT | VANUATU | | | | Details |
| VUV | Vanuatu Vatu | | | | Details |
| VUV | Vanuatuan vatu | | | | Details |
| VUWA | Volume of Water in Undisturbed Zone | | | | Details |
| VUWA | Volume of Water in Undisturbed Zone | | | | Details |
| W/sulf O | water with sulfur odor | | | | Details |
| WATER_VOLUME | Water volume produced | | | | Details |
| WBU | WaschBerg Unit|| | Waschberg Unit | Waschberg Einheit | Waschberg Unité | Details |
| WBU | WaschBerg Unit | | | | Details |
| WCSU | Wet Weight Percent Corrected Sulfur | | | | Details |
| WCUT | Water Cut | | | | Details |
| WCUT | Water Cut | | | | Details |
| WESUR | Well Summary Report | | | | Details |
| WGUNT | Water Gun Test | | | | Details |
| WHRU | Waste Heat Recovery Unit | | | | Details |
| WHU | Well Hook Up | | | | Details |
| WLSUM | Well Summary | | | | Details |
| WMUD | Density (Weight) of Mud | | | | Details |
| WN0U | Window Zero Upper Edge | | | | Details |
| WN1U | Window One Upper Edge | | | | Details |
| WN2U | Window Two Upper Edge | | | | Details |
| WN3U | Window Three Upper Edge | | | | Details |
| WN4U | Window Four Upper Edge | | | | Details |
| WOPU | waiting on pumping unit | | | | Details |
| WPSU | Weight Percent Sulfur From GST | | | | Details |
| WSSUR | Well Seismic Survey Plot | | | | Details |
| WSU | Well Service Unit | | | | Details |
| WSUL | Dry Weight Percent Of Sulfur | | | | Details |
| WSUM | Window Sums | | | | Details |
| WSUM_SL | Window Sums - Station Log | | | | Details |
| WSUT | Theoretical WWSU Log | | | | Details |
| WTNU | WSTB TEST NUMBER | | | | Details |
| wtr.cush | water cushion | | | | Details |
| WUL | Window for Upper Loop (40 - 60 keV) | | | | Details |
| WUT | Water Up To | | | | Details |
| WUT | water-up to | | | | Details |
| WUT | Theoretical WWU Log | | | | Details |
| WWSU | Wet Weight Percent Sulfur | | | | Details |
| WWU | Wet Weight Percent Uranium | | | | Details |
| WWUA | Apparent wet weight percent Uranium | | | | Details |
| XDUM | Dummy X Axis Output | | | | Details |
| XEU | EUROPA ISLAND | | | | Details |
| XEU | European currency unit | | | | Details |
| XO-sub | crossover sub | | | | Details |
| XU | JOHNSTON ATOLL | | | | Details |
| YDUM | Dummy Y Axis Output | | | | Details |
| YRGMRU | JSC GAZPROM YRGM Development | | | | Details |
| YU | YUGOSLAVIA | | | | Details |
| YUD | new Yugoslavian dinar | | | | Details |
| YUG | YUGOSLAVIA | | | | Details |
| YUKONG | S K Corporation Korea | | | | Details |
| YUKOS | Derived from YUganskneftegas+KuibishevnefteOrgSintez Russia | | | | Details |
| YURA | Y Uranium Signal | | | | Details |
| Z1PU | AGS Detector 1 Pileup Countrate | | | | Details |
| Z2PU | AGS Detector 2 Pileup Countrate | | | | Details |
| ZUFL | Zufluß | medium, effluent | | | Details |
| ZUK | Zementunterkante | | | | Details |
| ZVBU | HALS Bridle Upper Electrode Voltage | | | | Details |
