List of Oil Field Acronyms - C

C

• C&E – well completion and equipment cost
• C&S – cased and suspended
• C1 – methane
• C2 – ethane
• C3 – propane
• C4 – butane
• C6 – hexanes
• C7+ – heavy hydrocarbon components
• CA – core analysis log
• CALI – calliper log
• CALOG – circumferential acoustic log
• CALVE – calibrated velocity log data
• CAPP – Canadian Association of Petroleum Producers
• CART – cam-actuated running tool (housing running tool)
• CART – Cap Replacement Tool
• CAS – casing log
• CB – core barrel
• CBIL – CBIL log
• CBL – cement bond log (measurement of casing cement integrity)
• CBM – choke bridge module – XT choke
• CBM – conventional buoy mooring
• CBM – coal-bed methane
• CCHT – core chart log
• CCL – casing collar locator (in perforation or completion operations, the tool provides depths by correlation of the casing string's magnetic anomaly with known casing features)
• CCLP – casing collar locator perforation
• CCLTP – casing collar locator through tubing plug
• CD – core description
• CDATA – core data
• CDIS – CDI synthetic seismic log
• CDU – control distribution unit
• CDP – common depth point (geophysics)
• CDP – comprehensive drilling plan
• CDRCL – compensated dual resistivity cal. log
• CE – CE log
• CERE – cement remedial log
• CECAN – CEC analysis
• CEME – cement evaluation
• CET – cement evaluation tool
• CF – completion fluid
• CFD – computational fluid dynamics
• CGEL – CG EL log
• CGL – core gamma log
• CGPH – core graph log
• CGR – condensate gas ratio
• CGTL – compact gas to liquids (production equipment small enough to fit on a ship)
• CHCNC – CHCNC gamma ray casing collar locator
• CHDTP – calliper HDT playback log
• CHECK – checkshot and acoustic calibration report
• CHESM – contractor, health, environment and safety management
• CHKSR – checkshot survey report
• CHKSS – checkshot survey log
• CHOPS - Cold Heavy Oil Production with Sand
• CHP – casing hanger pressure (pressure in an annulus as measured at the casing hanger)
• CHROM – chromatolog
• CHRT – casing hanger running tool
• CIBP – cast iron bridge plug
• CILD – conduction log
• CIMV – chemical injection metering valve
• CITHP – closed-in tubing head pressure (tubing head pressure when the well is shut in)
• CIV – chemical injection valve
• CL – core log
• CLG – core log and graph
• CM – choke module
• CMP – common midpoint (geophysics)
• CMR – CMR log
• CND – compensated neutron density
• CNFDP – CNFD true vertical-depth playback log
• CNGR – compensated neutron gamma-ray log
• CNL – compensated neutron log
• CNLFD – CNL/FDC log
• CNS – Central North Sea
• CNCF – field-normalised compensated neutron porosity
• CO – change out (ex. from rod equipment to casing equipment)
• COC - Certificate of Conformance
• COD - Chemical Oxygen Demand
• COL – collar log
• COMAN – compositional analysis
• COML – compaction log
• COMP – composite log
• COMPR – completion program report
• COMPU – computest report
• COMRE – completion record log
• CONDE – condensate analysis report
• CONDR – continuous directional log
• CORAN – core analysis report
• CORE – core report
• CORG – corgun log
• CORIB – coriband log
• CORLG – correlation log
• COROR – core orientation report
• COXY – carbon/oxygen log
• CPI separator – corrugated plate interceptor
• CPI – CPI log (computer-processed interpretation)
• CPICB – CPI coriband log
• CPIRE – CPI report
• CRA – corrosion-resistant alloy
• CRET – cement retainer setting log
• CRP – control riser platform
• CRP – common/central reference point (subsea survey)
• CRT – Clamp Replacement tool
• CsF – Caesium formate (coincidentally also an acronym of the sole large-scale supplier of caesium formate brine, cabot specialty fluids.)
• CSG - Coal Seam Gas
• csg – casing
• CSHN – cased-hole neutron log
• CSI – CSI log
• CSMT – core sampler tester log
• CSO – complete seal-off
• CSPG – Canadian Society of Petroleum Geologists
• CST – CST log
• CSTAK – core sample taken log
• CSTRE – CST report
• CSUG – Canadian Society for Unconventional Gas
• CT – coiled tubing
• CTD – coiled tubing drilling
• CTCO – coiled tubing clean-out
• CTLF – coil tubing lift frame
• CTLF – compensated tension lift frame
• CTOD – crack tip opening displacement
• CTRAC – cement tracer log
• CUT – cutter log
• CUTTD – cuttings description report
• CWOP – complete well on paper
• CWOR – completion work over riser
• CYBD – cyberbond log
• CYBLK – cyberlook log
• CYDIP – cyberdip log
• CYDN – cyberdon log
• CYPRO – cyberproducts log