This list is incomplete; you can help by adding missing items. (July 2014)

The oil and gas industry uses many acronyms and abbreviations. This list is meant for indicative purposes only and should not be relied upon for anything but general information.

• 1C – Proved contingent resources
• 1oo2 – One out of two voting (instrumentation)
• 1P – Proven reserves
• 2C – Proved and probable contingent resources
• 2D – two-dimensional (geophysics)
• 2oo2 – Two out of two voting (instrumentation)
• 2oo2D – Two out of two voting with additional diagnostic detection capabilities (instrumentation)
• 2oo3 – Two out of three voting (instrumentation)
• 2ooN detection – to reach specified alarm limit when N ≥ 3 (instrumentation)
• 2P – proved and probable reserves
• 3C – three components seismic acquisition (x, y, and z)
• 3C – Proved, probable and possible contingent resources
• 3D – three-dimensional (geophysics)
• 3P – proved, probable and possible reserves
• 4D – multiple 3Ds acquired over time (the 4th D) over the same area with the same parameters (geophysics)
• 8rd – eight round (describes the number of revolutions per inch of pipe thread)

• °API – degrees API (American Petroleum Institute) density of oil

• A – Appraisal (well)
• AADE – American Association of Drilling Engineers^[1]
• AAPG – American Association of Petroleum Geologists^[2]
• AAPL – American Association of Professional Landmen
• AAODC – American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)
• AAV – Annulus access valve
• ABAN – Abandonment, (also as AB and ABD and ABND)
• ABSA – Alberta Boilers Safety Association
• ABT – Annulus bore test
• ACC – Air-cooled heat condenser
• ACHE – Air-cooled heat exchanger
• ACOU – Acoustic
• ACP – Alkali-cosolvent-polymer
• ACQU – Acquisition log
• ACV – Automatic control valve
• ADE – Advanced decision-making environment
• ADEP – Awaiting development with exploration potential, referring to an asset
• ADROC – advanced rock properties report
• ADT – Applied drilling technology, ADT log
• ADM – Advanced diagnostics module (fieldbus)
• AER – Auto excitation regulator
• AEMO – Australian Energy Market Operator
• AFE – Authorization for expenditure, a process of submitting a business proposal to investors
• AFP – Active rire protection
• AGA – American Gas Association
• AGRU – acid gas removal unit
• AGT – (1) agitator, used in drilling
• AGT – (2) authorised gas tester (certified by OPITTO)
• AGT – (3) Azerbaijan – Georgia – Turkey (a region rich in oil related activity)^[3]
• AHBDF – along hole (depth) below Derrick floor
• AHD – along hole depth
• AHU – air handling unit
• AICD – autonomous inflow control device
• AIChemE – American Institute of Chemical Engineers
• AIM – asset integrity management
• AIPSM – asset integrity and process safety management
• AIR – assurance interface and risk
• AIRG – airgun
• AIRRE – airgun report
• AISC – American Institute of Steel Construction
• AISI – American Iron and Steel Institute
• AIT – analyzer indicator transmitter
• AIT – array induction tool
• AL – appraisal license (United Kingdom), a type of onshore licence issued before 1996
• ALAP – as low as possible (used along with density of mud)
• ALARP – as low as reasonably practicable
• ALC – vertical seismic profile acoustic log calibration report
• ALLMS – anchor leg load monitoring system
• ALQ – additional living quarters
• ALR – acoustic log report
• ALT – altered
• AM – asset management
• aMDEA – activated methyldiethanolamine
• AMS – auxiliary measurement service log; auxiliary measurement sonde (temperature)
• AMSL – above mean sea level
• AMI – area of mutual interest
• AMV – annulus master valve^[4]
• ANACO – analysis of core logs report
• ANARE – analysis report
• AOF – absolute open flow
• AOFP – absolute open-flow potential
• AOI – area of interest
• AOL – arrive on location
• AOR – additional oil recovery
• AP – alkali-polymer
• APD – application for permit to drill
• API – American Petroleum Institute: organization which sets unit standards in the oil and gas industry
• °API – degrees API (gravity of oil)
• APPRE – appraisal report
• APS – active pipe support
• APWD – annular pressure while drilling (tool) ^[5]
• ARACL – array acoustic log
• ARESV – analysis of reservoir
• ARI – azimuthal resistivity image
• ARRC – array acoustic report
• ART – actuator running tool
• AS – array sonic processing log
• ASD – acoustic sand detection
• ASI – ASI log^{[clarification needed]}
• ASME – American Society of Mechanical Engineers
• ASOG – activity-specific operating guidelines
• ASP – array sonic processing report
• ASP – alkali-surfactant-polymer
• ASTM – American Society for Testing and Materials
• ASCSSV – annulus surface controlled sub-surface valve^[4]
• ASV – anti-surge valve
• ASV – annular safety valve
• ASV – accommodation and support vessel
• ATD – application to drill
• ATU – auto top-up unit
• AUV – authonomus underwater vehicle
• AV – annular velocity or apparent viscosity
• AVGMS – annulus vent gas monitoring system
• AVO – amplitude versus offset (geophysics)
• AWB/V – annulus wing block/valve (XT)
• AWO – approval for well operation
• ATM – at the moment

• B or b – prefix denoting a number in billions
• BA – bottom assembly (of a riser)
• bbl – barrel
• bbl/MMscf – barrels per million standard cubic feet
• BBG – buy back gas
• BBSM – behaviour-based safety management
• BCPD – barrels condensate per day
• Bcf – billion cubic feet (of natural gas)
• Bcf/d – billion cubic feet per day (of natural gas)
• Bcfe – billion cubic feet (of natural gas equivalent)
• BD – bursting disc
• BDF – below derrick floor
• BDL – bit data log
• BDV – blowdown valve
• BGL – borehole geometry log
• BGL – below ground level (used as a datum for depths in a well)
• BGS – British Geological Survey
• BGT – borehole geometry tool
• BGWP – base of ground-water protection
• BH – bloodhound
• BHA – bottom hole assembly (toolstring on coiled tubing or drill pipe)
• BHC – BHC gamma ray log^{[clarification needed]}
• BHCA – BHC acoustic log^{[clarification needed]}
• BHCS – BHC sonic log^{[clarification needed]}
• BHCT – bottomhole circulating temperature
• BHKA – bottomhole kickoff assembly
• BHL – borehole log
• BHP – bottom hole pressure
• BHPRP – borehole pressure report
• BHSRE – bottom hole sampling report
• BHSS – borehole seismic survey
• BHT – bottomhole temperature
• BHTV – borehole television report
• BINXQ – bond index quicklook log
• BIOR – biostratigraphic range log
• BIORE – biostratigraphy study report
• BSLM – bend stiffener latch mechanism
• BSW – base sediment and water
• BIVDL – BI/DK/WF/casing collar locator/gamma ray log
• BLD – bailed (refers to the practice of removing debris from the hole with a cylindrical container on a wireline)
• BLI – bottom of logging interval
• BLP – bridge-linked platform
• BO – back-off log
• BO – barrel of oil
• boe – barrels of oil equivalent
• boed – barrels of oil equivalent per day
• BOEM – Bureau of Ocean Energy Management
• boepd – barrels of oil equivalent per day
• BOB – back on bottom
• BOD – biological oxygen demand
• BOL – bill of lading
• BOM – bill of materials
• BOP – blowout preventer
• BOP – bottom of pipe
• BOPD – barrels of oil per day
• BOPE – blowout prevention equipment
• BOREH – borehole seismic analysis
• BOSIET – basic offshore safety induction and emergency training
• BOTHL – bottom hole locator log
• BOTTO – bottom hole pressure/temperature report
• BP – bridge plug
• BPD – barrels per day
• BPH – barrels per hour
• BPFL – borehole profile log
• BPLUG – baker plug
• BPM – barrels per minute
• BPV – back pressure valve (goes on the end of coiled tubing a drill pipe tool strings to prevent fluid flow in the wrong direction)
• BQL – B/QL log
• BRPLG – bridge plug log
• BRT – below rotary table (used as a datum for depths in a well)
• BS – bend stiffener
• BS – bumper sub
• BS – booster station
• BSEE – US: Bureau of Safety and Environmental Enforcement^[6] (formerly the MMS)
• BSG – black start generator
• BSR – blind shear rams (blowout preventer)
• BSML – below sea mean level
• BS&W – basic sediments and water
• BT – buoyancy tank
• BTEX – benzene, toluene, ethyl-benzene and xylene
• BTHL – bottom hole log
• BTO/C – break to open/close (valve torque)
• BTU – British thermal units
• BTU – Board of Trade Unit (1 kWh) (historical)
• BU – bottom up
• BUL – bottom-up lag
• BUR – build-up rate
• BVO – ball valve operator
• bwd – barrels of water per day (often used in reference to oil production)
• bwipd – barrels of water injected per day
• bwpd – barrels of water per day

• 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
• CAAF – contract authorization approval form
• CalGEM – California Geologic Energy Management Division (oil & gas regulatory body)
• CALI – caliper log
• CALOG – circumferential acoustic log
• CALVE – calibrated velocity log data
• CAODC – Canadian Association of Oilwell Drilling Contractors
• CAPP – Canadian Association of Petroleum Producers
• CAR – Company Appointed Representative
• CART – cam-actuated running tool (housing running tool)
• CART – cap replacement tool
• CAS – casing log
• CAT – connector actuating tool
• CB – casing bowl
• CB – core barrel
• CBF – casing bowl flange
• 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)
• CCLBD – construction / commissioning logic block diagram
• 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
• CDU – crude distillation unit
• CDP – common depth point (geophysics)
• CDP – comprehensive drilling plan
• CDRCL – compensated dual resistivity cal. log
• CDF – core contaminated by drilling fluid
• CDFT – critical device function test
• CE – CE log^{[clarification needed]}
• CEC – cation-exchange capacity
• CECAN – CEC analysis^{[clarification needed]}
• CEME – cement evaluation
• CEOR – chemical-enhanced oil recovery
• CER – central electrical/equipment room
• CERE – cement remedial log
• CET – cement evaluation tool
• CF – completion fluid
• CF – casing flange
• CFD – computational fluid dynamics
• CFGPD – cubic feet of gas per day
• CFU – compact flotation unit
• CGEL – CG EL log^{[clarification needed]}
• CGL – core gamma log
• CGPA – Canadian Gas Processors Association
• 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
• CHF – casing head flange
• CHK – choke (a restriction in a flowline or a system, usually referring to a production choke during a test or the choke in the well control system)
• 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)
• CHOTO – commissioning, handover and takeover
• CHROM – chromatolog
• CHRT – casing hanger running tool
• CIBP – cast iron bridge plug
• CICR – cast iron cement retainer
• CIDL – chemical injection downhole lower
• CIDU – chemical injection downhole upper
• CIL – chemical injection line
• CILD – conduction log
• CIMV – chemical injection metering valve
• CIRC – circulation
• CITHP – closed-in tubing head pressure (tubing head pressure when the well is shut in)
• CIV – chemical injection valve
• CK – choke (a restriction in a flowline or a system, usually referring to a production choke during a test or the choke in the well control system)
• CL – core log
• CLG – core log and graph
• CM – choke module
• CMC – crown mounted compensators
• CMC – critical micelle concentration
• CMP – common midpoint (geophysics)
• CMR – combinable magnetic resonance (NMR log tool) ^[7][8]
• CMT – cement
• CNA – clay, no analysis
• 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^{[clarification needed]}
• CNS – Central North Sea
• CNCF – field-normalised compensated neutron porosity
• CNR – Canadian natural resources
• CO – change out (ex. from rod equipment to casing equipment)
• COA – conditions of approval
• 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
• COND – condensate production
• CONDE – condensate analysis report
• CONDR – continuous directional log
• CORAN – core analysis report
• CORE – core report
• CORG – corgun^{[check spelling]} log
• CORIB – CORIBAND log
• CORLG – correlation log
• COROR – core orientation report
• COW – Control of Work
• COXY – carbon/oxygen log
• CP – cathodic protection
• CP – crown plug
• cP – centipoise (viscosity unit of measurement)
• CPI separator – corrugated plate interceptor
• CPI – computer-processed interpretation
• CPI – corrugated plate interceptor
• CPICB – computer-processed interpretation coriband log
• CPIRE – computer-processed interpretation report
• CPP – central processing platform
• CRA – corrosion-resistant alloy
• CRET – cement retainer setting log
• CRI – cuttings reinjection
• CRINE – cost reduction in the new era
• CRP – control riser platform
• CRP – common/central reference point (subsea survey)
• CRT – clamp replacement tool
• CRT – casing running tool
• CSE – confined space entry
• CsF – caesium formate
• CSC – car seal closed
• CSG – coal seam gas
• csg – casing
• CSHN – cased-hole neutron log
• CSI – combinable seismic imager (VSP) log (Schlumberger)
• CSMT – core sampler tester log
• CSO – complete seal-off
• CSO – car seal open
• CSPG – Canadian Society of Petroleum Geologists
• CSR – corporate social responsibility
• CST – chronological sample taker log (Schlumberger)
• CSTAK – core sample taken log
• CSTR – continuously-stirred tank reactor
• CSTRE – CST report^{[clarification needed]}
• CSU – commissioning and start-up
• CSU – construction safety unit
• CSUG – Canadian Society for Unconventional Gas
• CT – coiled tubing
• CTD – coiled tubing drilling
• CTCO – coiled tubing clean-out
• CTLF – coiled tubing lift frame
• CTLF – compensated tension lift frame
• CTOD – crack tip opening displacement
• CTP – commissioning test procedure
• CTR – Critical Transport Rate
• CTRAC – cement tracer log
• CUI – corrosion under insulation
• CUL – cross-unit lateral
• CUT – cutter log
• CUTTD – cuttings description report
• CWOP – complete well on paper
• CWOR – completion work over riser
• CWR – cooling water return
• CWS – cooling water supply
• X/O – cross-over
• CYBD – Cyberbond log
• CYBLK – Cyberlook log
• CYDIP – Cyberdip log
• CYDN – Cyberdon log
• CYPRO – Cyberproducts log
• CVD – Cost versus Depth
• CVX – Chevron

• D – development
• D – Darcy, unit of permeability
• D&A – dry and abandoned
• D&C – drilling and completions
• D&I – direction and inclination (MWD borehole deviation survey) ^[9]
• DAC – dipole acoustic log
• DARCI – Darci log
• DAS – data acquisition system
• DAT – wellhead housing drill-ahead tool
• DAZD – dip and azimuth display
• DBB – double block and bleed
• DBP – drillable bridge plug
• DBR – damaged beyond repair
• DC – drill centre
• DC – drill collar/collars
• DCAL – dual caliper log
• DCC – distance cross course
• DCS – distributed control system
• DD – directional driller or directional drilling
• DDC – daily drilling cost
• DDC – de-watering and drying contract
• DDBHC – DDBHC waveform log^{[clarification needed]}
• DDET – depth determination log
• DDM – derrick drilling machine (a.k.a. top drive)
• DDNL – dual det. neutron life log
• DDPT – drill data plot log
• DDPU – double drum pulling unit
• DDR – daily drilling report
• DEA – diethanolamine
• DECC – Department for Energy and Climate Change (UK)
• DECT – decay time
• DECT – down-hole electric cutting tool
• DEFSU – definitive survey report
• DEH – direct electrical heating
• DELTA – delta-T log^{[clarification needed]}
• DEN – density log
• DEPAN – deposit analysis report
• DEPC – depth control log
• DEPT – depth
• DESFL – deep induction SFL log
• DEV – development well, Lahee classification
• DEVLG – deviation log
• DEXP – D-exponent log
• DF – derrick floor
• DFI – design, fabrication and installation résumé
• DFIT – diagnostic fracture injection test
• DFPH – Barrels of fluid per hour
• DFR – drilling factual report
• DG/DG# – diesel generator ('#'- means identification letter or number of the equipment i.e. DG3 or DG#3 means diesel generator nr 3)
• DGA – diglycoamine
• DGDS – dual-gradient drilling systems
• DGP – dynamic geohistory plot (3D technique)^[10]
• DH – drilling history
• DHC – depositional history curve
• DHSV – downhole safety valve
• DHPG – downhole pressure gauge
• DHPTT – downhole pressure/temperature transducer
• DIBHC – DIS BHC log^{[clarification needed]}
• DIEGR – dielectric gamma ray log
• DIF – drill in fluids
• DIL – dual-induction log
• DILB – dual-induction BHC log
• DILL – dual-induction laterolog
• DILLS – dual-induction log-LSS
• DILSL – dual-induction log-SLS
• DIM – directional inertia mechanism
• DINT – dip interpretation
• DIP – dipmeter log
• DIPAR – dipole acoustic report
• DIPBH – dipmeter borehole log
• DIPFT – dipmeter fast log
• DIPLP – dip lithology pressure log
• DIPRE – dipmeter report
• DIPRM – dip removal log
• DIPSA – dipmeter soda log
• DIPSK – dipmeter stick log
• DIRS – directional survey log
• DIRSU – directional survey report
• DIS – DIS-SLS log
• DISFL – DISFL DBHC gamma ray log
• DISO – dual induction sonic log
• DL – development license (United Kingdom), a type of onshore license issued before 1996
• DLIST – dip-list log
• DLL – dual laterolog (deep and shallow resistivity)
• DLS – dog-leg severity (directional drilling)
Zdroj:https://en.wikipedia.org?pojem=List_of_acronyms_in_oil_and_gas_exploration_and_production
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