CH

Definition:

Core head (bit)

Subject Area 1:

Drilling & operations

Abbreviation	Definition	English	German	French
CH	Cased Hole				Details
CH	CHINA				Details
CH	SWITZERLAND				Details
CH	Completion				Details
CH	casinghead(gas)				Details
ch	chert				Details
ch	choke				Details
CH	closed hole				Details
CH	core hole				Details
CH	Consession Holder				Details
CH	Core head (bit)				Details
CH	Chemchemal (Field in north Iraq)				Details
CH-OP	chain operated				Details
CH1R	Current HP Additive #1 Flowrate				Details Remarks
CH1V	Current HP Additive #1 Volume				Details Remarks
CH4	methane				Details
Chaet	chaetetes				Details
CHAF	D2 Channel Flag				Details Remarks
chal	chalcedony				Details
Chal, chal	chalcedony (-ic)				Details
CHAM	chamfer				Details
CHAM	Circle Hole Angle Maximum				Details Remarks
CHANNEL1	Generic Unitless 1D Array				Details Remarks
CHANNEL2	Generic Unitless 1D Array				Details Remarks
CHANNEL3	Generic Unitless 1D Array				Details Remarks
CHANNEL4	Generic Unitless 1D Array				Details Remarks
CHANNEL5	Generic Unitless 1D Array				Details Remarks
Chapp	Chappel				Details
CHAR	characteristics				Details
Char	Charles				Details
Char	charophyte				Details
Chatt	Chattanooga shale				Details
CHC	Circulate Hole Clean				Details
CHCNC	CHCNC Gamma Ray Casing Collar Locator				Details
CHCU	Coherence computed uphole				Details Remarks
CHD	closed hydrocarbon drain				Details
CHDT	Cased Hole Dynamics Tester				Details
CHDT	Cased Hole Dynamic Tester				Details
CHDTP	Caliper HDT Playback Log				Details
CHE	Casing HAndling Equipment				Details
CHE	SWITZERLAND				Details
CHE	Cable Head				Details Remarks
CHE	Coherent Compressional Energy				Details Remarks
CHECK	Checkshot and Acoustic Calibration Report				Details
Chem	Chemical				Details
chem.	chemical, chemist, chemistry				Details
chem.	prod chemical products				Details
Cher	Cherokee				Details
Chert	a hard, silicate sedimentary rock Similar to flint, but with less ordered structure A cryptocrystalline form of quartz				Details
chert	chert				Details
Ches	Chester				Details
CHES	Basic				Details
CHESM	contractor, health, environment and safety management				Details
CHESS	chemical hazard employee safety system				Details
CHF	casinghead flange				Details
CHF	Swiss Franc				Details
CHF	Swiss Franc				Details
CHF	Swiss franc				Details Remarks
CHFF	Cased Hole Friction Factor				Details
CHFP	Cased Hole Frac Pack				Details
CHFR	Cased Hole Formation Resistivity				Details
CHFR	Cased Hole Formation Resisitivity				Details
CHFRTM	cased hole formation resistivity tool				Details
CHFT	Cased Hole Dynamics Tester				Details
CHFT	Cased Hole Formation Tester				Details
CHG	casinghead gas				Details
CHGP	Cased Hole Gravel Pack				Details
CHH	Casing Head Hanger				Details
CHH	Casing Head Housing				Details
CHI	Chi-Square of Fit for NGT Counts				Details Remarks
CHI1	HNGS Detector 1 Chi-Squared				Details Remarks
CHI1_MARQ	HNGS Detector 1 Marquardt Chi-Squared				Details Remarks
CHI2	HNGS Detector 2 Chi-Squared				Details Remarks
CHI2_MARQ	HNGS Detector 2 Marquardt Chi-Squared				Details Remarks
Chim-H	Chimney Hill				Details
Chim-R	Chimney Rock				Details
Chin	Chinle				Details
Chini	General Company for Dinnerware				Details
CHIR	Chirp Flag (1 if Shaker Data)				Details Remarks
CHIS	CHI Square of Fit with respect to NGT				Details Remarks
chit	chitin(ous)				Details
Chit, chit	chitin (-ous)				Details
CHK	choke				Details
chk	chalk				Details
CHK	Corrected hook load				Details Remarks
Chk, chky	chalk (-y)				Details
Chkbd	checkerboard				Details
chkd	checked				Details
CHKD	PL checkered plate				Details
CHKP	Choke Position				Details Remarks
CHKS	back flow checks				Details
CHKSR	Checkshot Survey Report				Details
CHKSS	Checkshot Survey Log				Details
CHKV	check valve				Details
chky	chalky				Details
CHL	CHILE				Details
CHL	cased hole log				Details
chl	chloride				Details
chl	chloride(s)				Details
chl	chloritic				Details
chl	log chlorine long				Details
CHL	Chlorinlog				Details
CHL GR	Chlorinlog-Gamma Ray				Details
CHL GR	Chlorinlog-Gamma Ray				Details
Chlor	chloritic				Details
Chlor, chlor	chlorite (-ic)				Details
CHLR	chlorinator				Details
CHLR	Chlorite				Details Remarks
CHMBR	chamber				Details
CHMS	CPLT HP Gauge				Details
CHN	CHINA				Details
chng	change(ed)(ing)				Details
CHNL	Channel Survey				Details
CHNL	channel				Details
Choc	chocolate				Details
choc	chocolate				Details
CHOKE	Choke size				Details
CHOKE_SIZE	Wellhead choke diameter				Details Remarks
CHOPS	Cold Heavy Oil Production with Sand				Details
CHOPT	CHarterer's OPTion				Details
Chou	Chouteau lime				Details
CHP	Casing Hanger Pressure (pressure in an annulus as measured at the casing hanger)				Details
CHP	Casing Hanger Pressure				Details
CHP	combined heat and power				Details
CHP	casinghead pressure				Details
CHR	Surgutneftegas Russia				Details
CHR0	Label Peak Coherence, Receiver Array - SDT Slowness_Time_Coherence				Details Remarks
CHR1	Label Peak Coherence, Receiver Array -				Details Remarks
CHR2	Label Peak Coherence, Receiver Array -				Details Remarks
CHR3	Label Peak Coherence, receiver Array -				Details Remarks
CHREX	LABEL Peak Coherence, Receiver Array -				Details Remarks
chrg	charge(ed)(ing)				Details
chrm	chairman				Details
CHROM	Chromatolog				Details
chromat	chromatograph				Details
chrome	chromium				Details
CHRP	Label Peak Coherence, Receiver Array,				Details Remarks
CHRS	Label Peak Coherence, Receiver Array,				Details Remarks
CHRT	casing hanger running tool				Details
CHSC	Circle Hole Shape Condition				Details Remarks
CHSO	Charaktristische Sonde	typical well			Details
cht	chart				Details
cht	chert				Details
CHT	Condensate hydrotreater				Details
Cht, cht	chert (-y)				Details
CHT0	Label Peak Coherence, Transmitter Array -				Details Remarks
CHT1	Label Peak Coherence, Transmitter Array -				Details Remarks
CHT2	Label Peak Coherence, Transmitter Array -				Details Remarks
CHT3	Label Peak Coherence, Transmitter Array -				Details Remarks
CHTEX	LABEL Peak Coherence, Transmitter Array -				Details Remarks
CHTP	Label Peak Coherence, Transmitter Array,				Details Remarks
CHTS	Label Peak Coherence, Transmitter Array,				Details Remarks
chty	cherty				Details
Chtz	chitinozoa				Details
Chug	chugwater				Details
CHUN	Calibrated Pressure Hundreds Digit				Details Remarks
CHX	in hydrocarbon (CHx)n formula				Details Remarks
CHY	ECS Capture Hydrogen Relative Yield				Details Remarks
A CHL	Atlantic Chlorinlog				Details
A CHL	Atlantic Chlorinlog	Atlantic Chlorinlog	Atlantic Chlorinlog	Chlorinlog Atlantique	Details
ACHE	Air Cooled Heat Exchanger				Details
ACHI	NPLC ADC High Calibration Reference				Details Remarks
ACHS	HNGS ADC Subsystem Channels SLM Status				Details Remarks
ACHZ	ECSC ADC High Calibration Reference				Details Remarks
ADCH	APS ADC Calibration High Reference				Details Remarks
AICHE	American Institute of Chemical Engineers				Details
arch	architectural				Details
Archeo	Archeozoic				Details
ASchG	ArbeitnehmerInnenschutzgesetz	Employees safety regulations			Details
BCHIFR	Borealis Chimie S.A.S.				Details
BCHL	Borehole Chlorine Yield (Capture)				Details Remarks
BORSCAN_BATCH	Array of strings containing BorScan				Details Remarks
brach	brachiopod				Details
BSW_CHOKE	Basic sediment and water (decimal ratio)				Details Remarks
C&CH	circulated and conditioned hole				Details
CCH	circulated and conditioned hole				Details
cche	caliche				Details
CCHF	center of casinghead flange				Details
CCHI	Capture Chi-square from GST-A/IGT Spectral Chi_Square				Details Remarks
CCHL	ECS Capture Chlorine Relative Yield				Details Remarks
CCHT	Core Chart Log				Details
CICHP	Closed In Casing Head Pressure				Details
Cmchn	comanchean				Details
COCHIME	Companie Chimique de la Mediterranee France				Details
conch	conchoidal				Details
CSCH	hyperbolic constant				Details
CSChE	Canadian Society or Chemical Engineering				Details
DCHM	degree celsius per hundred meters				Details Remarks
DFCHV	Derivative of FBCC regulated EMEX				Details Remarks
dichlor	dichloride				Details
DICHTL	Kondensatdichte (Tonne/m3)	gas density			Details
DICHTO	Öldichte (Tonne/m3)	Oil density			Details
disch	discharge				Details
DPCH	Differential Pressure Channel				Details Remarks
Dutch	Dutcher				Details
DWCH	Downhole Wet- Connector Head				Details
Ech	echinoid				Details
ECHI	ECS Chi-squared of Linear Solver Yield Fit Chi_Square				Details Remarks
ECHO	echo				Details Remarks
ECHO_AMP	Echo Amplitudes				Details Remarks
ECHO_AMP_SL	Echo Amplitudes - Station Log				Details Remarks
ECHO_BASE	Echo Baseline				Details Remarks
ECHO_BASE_SL	Echo Baseline - Station Log				Details Remarks
ESCH	ECS High Voltage Control Loop Status				Details Remarks
exch	Exchanger				Details
FACHV	Four Arm Caliper Log				Details
FCHV	FBCC regulated EMEX				Details Remarks
GCHV	HGNS Gamma-Ray Control High Voltage				Details Remarks
GEOCH	Geochemical Evaluation				Details
GeschBereich	Geschäftsbereich				Details
GR CH	Gamma Ray Cased Hole				Details
GRCH	Gamma Ray , Cased Hole				Details Remarks
GRN CH	Gamma Ray Neutron-Cased Hold				Details
Hatch	the opening on a tank				Details
HPB0CH	Hall Probe Static Magnetic Field				Details Remarks
HPB0CH_SL	Hall Probe Static Magnetic Field				Details Remarks
HRCH	Hostile Releasable Cablehead (see comment!)				Details Remarks
ICHI	Inelastic Chi-square from GST-A/IGT				Details Remarks
ICHL	Inelastic Chlorine Weight from GST-A/IGT				Details Remarks
INCHES	inch				Details Remarks
KostRechKreis	Kostenrechnungskreis				Details
lchd	leached				Details
LLCH	Corrected High Resolution Resistivity				Details Remarks
mach	machine				Details
March	Marchand				Details
MCHE	Main Cryogenic Heat Exchanger				Details
mchsm	mechanism				Details
mech	mechanic(al), mechanism				Details
Mech	DT mechanical down time				Details
Molch	pig	scraper, go-devil			Details
MOLCHOP	More Or Less CHarterers OPtion				Details
Molchschleuse	Scraper trap				Details
MSR-Technik	Messen, Steuern, Regeln technik	process of measuring and control technology			Details
NCHV	HGNS Neutron Control High Voltage				Details Remarks
och	ochre				Details
OTCH	OMV Česká republika, s.r.o.				Details
OVCH	Oversize Charts				Details
patchy	patchy				Details
Pch, pch	patch (-y)				Details
petrochem	petrochemical				Details
PMT CH	Pipe Moving Time in Cased Hole				Details
PMTCH	Pipe Moving Time in Cased Hole				Details
PMTICH	Pipe Moving Time in Cased Hole				Details
PURCH	purchasing				Details
PWCH	Pump down Wet Connector Head				Details
Q-Chem	Qatar Chemical Complex				Details
Q-CHEM	Qatar Chemical Corp. Qatar				Details
QGCH	Gas Channel Flowrate				Details Remarks
QHCH	Hydrocarbon Channel Flowrate				Details Remarks
QLCH	Liquid Channel Flowrate				Details Remarks
qnch	quench				Details
QOCH	Oil Channel Flowrate				Details Remarks
QWCH	Water Channel Flowrate				Details Remarks
RCH	Rotating Control Head				Details
RCHF	Low Frequency Channel Flag				Details Remarks
RECH	Reference Check				Details Remarks
RHCH	Hydrocarbon Corrected Bulk Density				Details Remarks
RPCHM	Resistivity, Memory 2MHZ Comp. Borehole				Details Remarks
RPCHM	Resistivity, Memory 2MHZ compensated Borehole				Details Remarks
S1CH	HNGS Detector 1 High Voltage Control Loop				Details Remarks
S2CH	HNGS Detector 2 High Voltage Control Loop				Details Remarks
sach	saccharoidal				Details
Sackloch	Rat hole				Details
sch	schedule				Details Remarks
SCH	Perforating-Hyper Jet				Details
SCH	Basic MSI C/O Log Analysis (CHES II®)				Details
Sch, sch	schist (-ose)				Details
schem	schematic				Details
SCHI	Spectral Chi-square				Details Remarks
SCHL	Sum of Capture CL + H				Details Remarks
Schl.	Schlumberger				Details
Schl.,	Sj Schlumberger				Details
Schleuse	Lubricator for running				Details
SCHLL	Schlumberger Log also SCHLO, SCHLU				Details
Schlucksonde	Schluckbohrung	Disposal well,			Details
Schnittteufe	Cut window depth				Details
Scholle	Block (a compartment of reservoir) Geology,				Details
SELFDISCH	SelfDischarger				Details
SONATRACH	Entreprise Nationale Sonatrach Algeria				Details
spl cham	sample chamber				Details
Stach	stachyode				Details
SteuSchl	Steuerschlüssel				Details
TACH	tachometer				Details
TACH	Tachometer				Details Remarks
TCH	Temperature Calibration High				Details Remarks
TCH_SL	Temperature Calibration High - Station Log None				Details Remarks
tech	technical, technician				Details
TECH	Technology (engineering, design)				Details
TECHINT	Compania Technica Internacional Brazil				Details
Technical	Information Service				Details
überschubrohre	Pipeline protection lining	Pipeline protection lining			Details
UCH	use customer’s hose				Details
UCHD	Uncalibrated Hole Diameter				Details Remarks
USECHH	Use and Standard of Exposure of Chemicals Hazardous to Health				Details
VCHD	Volume of Clay Computed from the				Details Remarks
Wich	Alb Wichita Albany				Details
Wich	Wichita				Details
Z1CH	AGS Detector 1 High Voltage Control Loop				Details Remarks
Z2CH	AGS Detector 2 High Voltage Control Loop				Details Remarks

Abbreviation

Definition

English

German

French