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List of acronyms in oil and gas exploration and production ( from A to L )

2019.06.17
14 189
  • 1C – Proved Contingent Resources
  • 1P – Proven reserves
  • 2C – Proved and probable Contingent Resources
  • 2D – two-dimensional (geophysics)
  • 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)

A

  • A – Appraisal (well)
  • AADE – American Association of Drilling Engineers
  • AAPG – American Association of Petroleum Geologists
  • 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  • AAODC – American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)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)
  • ABSA – Alberta Boilers Safety Association
  • ACHE – Air-Cooled Heat Exchanger
  • ACOU – Acoustic
  • ACQU – Acquisition log
  • 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
  • AFE – Authorization For Expenditure, a process of submitting a business proposal to investors
  • AFP – Active Fire Protection
  • AGRU – acid gas removal unit
  • AHBDF – along hole (depth) below Derrick floor
  • AHD – along hole depth
  • AHU – Air Handling Unit
  • AICD – autonomous inflow control device
  • AIR – Assurance Interface and Risk
  • AIRG – airgun
  • AIRRE – airgun report
  • 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 – aertical seismic profile acoustic log calibration report
  • ALQ – Additional Living Quarters
  • ALR – acoustic log report
  • aMDEA – activated methyldiethanolamine
  • AMS – auxiliary measurement service log; Auxiliary Measurement Sonde (temperature)
  • AMSL – above mean sea level
  • AMI – area of mutal interest
  • AMV – annulus master valve[3]
  • ANACO – analysis of core logs report
  • ANARE – analysis report
  • AOF – absolute open flow
  • AOFP – absolute open-flow potential
  • AOL – Arrive on location
  • APD – application for permit to drill
  • API – American Petroleum Institute: organization which sets unit standards in the oil and gas industry
  • APPRE – appraisal report
  • APS – active pipe support
  • APWD – annular pressure while drilling (tool)
  • ARESV – analysis of reservoir
  • ARI – azimuthal resistivity image
  • ARRC – array acoustic report
  • ART – actuator running tool
  • AS – array sonic processing log
  • ASI – ASI log
  • ASME – American Society of Mechanical Engineers
  • ASP – array sonic processing report
  • ASP – Alkali-Surfactant-Polymer
  • ASTM – American Society for Testing and Materials
  • ASCSSV – annulus surface controlled sub-surface valve[3]
  • 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

  • B or b – prefix denoting a number in billions
  • BA – Bottom Assembly (of a riser)
  • bbl – barrel
  • BBG – Buy Back Gas
  • BBSM – behaviour-based safety management
  • BCPD – barrels condensate per day
  • Bcf – billion cubic feet (of natural gas)
  • Bcfe – billion cubic feet (of natural gas equivalent)
  • 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
  • BHCA – BHC acoustic log
  • BHCS – BHC sonic log
  • BHCT – bottomhole circulating temperature
  • 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
  • BIVDL – BI/DK/WF/Casing collar locator/gamma ray log
  • BLI – bottom of logging interval
  • BO – back-off log
  • boe – barrel(s) of oil equivalent
  • boed – barrel(s) of oil equivalent per day
  • BOEM – Bureau of Ocean Energy Management
  • boepd – barrel(s) of oil equivalent per day
  • BOB – back on bottom
  • BOD – Biological Oxygen Demand
  • BOM – bill of materials
  • BOP – blowout preventer
  • BOP – bottom of pipe
  • BOPD – barrel(s) 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
  • 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[4] (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
  • 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)
  • bwpd – barrels of water per day

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
  • CAODC – Canadian Association of Oilwell Drilling Contractors
  • CAPP – Canadian Association of Petroleum Producers
  • CART – cam-actuated running tool (housing running tool)
  • CART – Cap Replacement Tool
  • CAS – casing log
  • CAT – Connector Actuating Tool
  • 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)
  • 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
  • CDFT – critical device function test
  • 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)
  • CHOTO - Commissioning, Handover & Takeover
  • CHROM – chromatolog
  • CHRT – casing hanger running tool
  • CIBP – cast iron bridge plug
  • 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
  • CL – core log
  • CLG – core log and graph
  • CM – choke module
  • CMC – crown mounted compensators
  • CMP – common midpoint (geophysics)
  • CMR – Combinable Magnetic Resonance (NMR log tool)
  • 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
  • CNR – Canadian Natural Resoures
  • 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
  • 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
  • COW – Control of Work
  • COXY – carbon/oxygen log
  • CP – Cathodic Protection
  • cP – centiPoise (Viscosity unit of measurement)
  • CPI separator – corrugated plate interceptor
  • CPI – CPI log (computer-processed interpretation), CPI (corrugated plate interceptor)
  • 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
  • CRT – Casing Running Tool
  • CSE – Confined Space Entry
  • 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 – Combinable Seismic Imager (VSP) log (Schlumberger)
  • CSMT – core sampler tester log
  • CSO – complete seal-off
  • CSPG – Canadian Society of Petroleum Geologists
  • CSR - Corporate Social Responsibility
  • CST – Chronological Sample Taker log (Schlumberger)
  • CSTAK – core sample taken log
  • CSTRE – CST report
  • CSU – Commissioning and Start Up
  • 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
  • CTRAC – cement tracer log
  • CUI – Corrosion Under Insulation
  • CUT – cutter log
  • CUTTD – cuttings description report
  • CWOP – complete well on paper
  • CWOR – completion work over riser
  • X/O – X-Over,Cross Over
  • CYBD – cyberbond log
  • CYBLK – cyberlook log
  • CYDIP – cyberdip log
  • CYDN – cyberdon log
  • CYPRO – cyberproducts log

D

  • D - Development
  • D&C – drilling and completions
  • D&I - direction and inclinitation (MWD borehole deviation survey)
  • 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
  • DC – drill centre
  • DC – drill collar(s)
  • 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
  • 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
  • DEA - diethanol amine
  • DECC – Department for Energy and Climate Change (UK)
  • DECT – decay time
  • DEFSU – definitive survey report
  • DEH - Direct Electrical Heating
  • DELTA – delta-T log
  • DEN – density log
  • DEPAN – deposit analysis report
  • DEPC – depth control log
  • DEPT – depth
  • DESFL – deep induction SFL log
  • DEV – development well, 
  • DEVLG – deviation log
  • DEXP – D-exponent log
  • DF – Derrick floor
  • DFI – Design, Fabrication and Installation résumé
  • DFIT - Diagnostic Fracture Injection Test
  • DFR – drilling factual report
  • DGP – dynamic geohistory plot (3D technique)
  • DH – drilling history
  • DHC – depositional history curve
  • DHSV – downhole safety valve
  • DHPG - downhole pressure gauge
  • DHPTT – downhole pressure/temperature transducer
  • DIBHC – DIS BHC log
  • 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)
  • DM - dry mate
  • DMA – dead-man anchor
  • DMAS - dead-man auto-shear
  • DMRP - Density - Magnetic Resonance Porosity (wireline tool)
  • DMT - Down hole Monitoring Tool
  • DNHO – downhole logging
  • DOA – delegation of authority
  • DOE – Department of Energy, United States
  • DOWRE – downhole report
  • DP – drill pipe
  • DP – dynamic positioning
  • DPDV – dynamically positioned drilling vessel
  • DPL – dual propagation log
  • DPLD – differential pressure levitated device (or vehicle)
  • DPRES – dual propagation resistivity log
  • DPT – deeper pool test, 
  • DQLC – dipmeter quality control log
  • DR – dummy-run log
  • DR – drilling report
  • DRI – drift log
  • DRL - Drilling
  • DRLCT – drilling chart
  • DRLOG – drilling log
  • DRLPR – drilling proposal/progress report
  • DRO – Discovered Resources Opportunities
  • DRPG – drilling program report
  • DRPRS – drilling pressure
  • DRREP – drilling report
  • DRYRE – drying report
  • DS – Deviation survey, (also directional system)
  • DSCAN – DSC analysis report
  • DSI – dipole shear imager
  • DSL - digital spectralog (Western Atlas)
  • DSPT – cross-plots log
  • DST – drill-stem test
  • DSTG – DSTG log
  • DSTL – drill-stem test log
  • DSTND – dual-space thermal neutron density log
  • DSTPB – drill-stem test true vertical depth playback log
  • DSTR – drill-stem test report
  • DSTRE – drill-stem test report
  • DSTSM – drill-stem test summary report
  • DSTW – drill-stem test job report/works
  • DSU - drill spacing unit
  • DSV – diving support vessel or drilling supervisor
  • DTI – Department of Trade and Industry (UK) (obsolete; superseded by dBERR, which was then superseded by DECC)
  • DTPB – CNT true vertical-depth playback log
  • DTT – depth to time
  • DVT - Differential Valve Tool (for cementing multiple stages)
  • DWOP – drilling well on paper (a theoretical exercise conducted involving the service-provider managers)
  • DWQL – dual-water quicklook log
  • DWSS – dig-well seismic surface log
  • DXC – DXC pressure pilot report

E

  • E – Exploration
  • E&A – Exploration and Appraisal
  • E&I – Electrical and Instrumentation
  • E&P – Exploration and Production
  • EA – Exploration Asset
  • EAGE – European Association of Geoscientists & Engineers
  • ECD – Equivalent Circulating Density
  • EDG/EDGE - Emergency Diesel Generator
  • ECMS – Electrical Control and Monitoring System
  • ECP – External Casing Packer
  • ECRD – Electrically Controlled Release Device (for abandoning stuck wireline tool from cable)
  • ECT - External Cantilevered Turret
  • EDP – Exploration Drilling Program Report
  • EDP – Emergency Disconnect Package
  • EDR – Exploration Drilling Report
  • EDR – Electronic Drilling Recorder
  • EDS – Emergency Disconnection Sequence
  • EEHA - Electrical Equipment for Hazardous Areas
  • EFL – Electrical Flying Lead
  • EFR – Engineering Factual Report
  • EHT – Electric Heat Trace
  • EGMBE – Ethylene Glycol Mono-Butyl Ether
  • EHU - Electro-Hydraulic Unit
  • EIA - Environmental Impact Assessment
  • ELEC TECH - Electronics Technician (See also: ETech)
  • ELT – Economic Limit Test
  • EL – Electric Log
  • EM – EMOP Log
  • EMCS - Energy Management and Control Systems
  • EMD – Equivalent Mud Density
  • EMG – Equivalent Mud Gradient
  • EMOP – EMOP Well Site Processing Log
  • EMP – Electromagnetic Propagation Log
  • EMS - Environment measurement sonde (wireline multi-caliper)
  • EMW – Equivalent Mud Weight
  • EN PI – Enhanced Productivity Index Log
  • ENG – Engineering Log
  • ENGF – Engineer Factual Report
  • ENGPD – Engineering Porosity Data
  • Eni – Ente Nazionale Idrocarburi S.p.A. (Italy)
  • ENJ – Enerjet Log
  • EOFL – End of Field Life
  • EOR – Enhanced Oil Recovery
  • EOT – End of Tubing
  • EOW – End Of Well Report
  • EPCM – Engineering Procurement Construction Management
  • EPCU – Electrical Power Conditioning Unit
  • EPIDORIS – Exploration and Production Integrated Drilling Operations and Reservoir Information System
  • EPL – EPL Log
  • EPLG – Epilog
  • EPLPC – EPL-PCD-SGR Log
  • EPS – Early Production System
  • EPT – Electromagnetic Propagation
  • EPU – Electrical Power Unit
  • EPTNG – EPT-NGT Log
  • EPV - Early Production Vessel
  • ER(D) – Extended Reach (Drilling)
  • ERT – Emergency Response Training
  • ESD – Emergency Shut-Down
  • ESHIA - Environmental, Social and Health Impact Assessment
  • ESIA - Environmental and Social Impact Assessment
  • ESP – Electric Submersible Pump
  • ETAP – Eastern Trough Area Project
  • ETD – External Turret Disconnectable
  • ETECH – Electronics Technician (See also: Elec Tech)
  • ETTD – Electromagnetic Thickness Test
  • ETU – Electrical Test Unit
  • EUE – External-upset-end (tubing connection)
  • EUR – Estimated Ultimate Recovery
  • EVARE – Evaluation Report
  • EWMP - Earthworks/Electrical Works/Excavation Works Management Plan
  • EWR – End Of Well Report
  • EXL – or XL, Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (1986) and the Sixth (1992)
  • EZSV – EZSV Log

F

  • FAC – factual report
  • FAC - first aid case
  • FACHV – four-arm calliper log
  • FANAL – formation analysis sheet log
  • FAT – factory acceptance testing
  • FBE – fusion-bonded epoxy
  • FC – float collar
  • FCGT - Flood Clean Gauge Test
  • FCP – final circulating pressure
  • FCV - Flow Control Valve
  • FCVE – F-curve log
  • FDC – formation density log
  • FDP – Field Development Plan
  • FDS – functional design specification
  • FEED – front-end engineering design
  • FER – field equipment room
  • FEWD – formation evaluation while drilling
  • FFAC – formation factor log
  • FFM – full field model
  • FG - Fiberglass
  • FGHT - Flood Gauge Hydrotest
  • FRP - Fiberglass Reinforced Plastics
  • FGEOL – final geological report
  • FH – full-hole tool joint
  • FI – final inspection
  • FID – final investment decision
  • FID - flame ionisation detection
  • FIL – FIL log
  • FI(M) – free issue (materials)
  • FINST – final stratigraphic report
  • FINTP – formation interpretation
  • FIP – flow-induced pulsation
  • FIT – fairing intervention tool
  • FIT – fluid identification test
  • FIT – formation integrity test
  • FIT – formation interval tester
  • FIV – flow-induced vibration
  • FIV – formation isolation valve
  • FJC - Field Joint Coating
  • FL – F log
  • FLAP - fluid level above pump
  • FLDF - Flying Lead Deployment Frame
  • FLIV – flowline injection valve
  • FLIV – flowline isolation valve
  • FLET - Flowline End Termination
  • aFLET - Actuated Flowline End Termination
  • FLNG - Floating liquefied natural gas
  • FLOG – FLOG PHIX RHGX Log
  • FLOPR – flow profile report
  • FLOT – flying lead orientation tool
  • FLOW – flow and buildup test report
  • FLRA – field-level risk assessment
  • FLS – fluid sample
  • FLT – fault (geology)
  • FMEA – failure modes, & effects analysis
  • FMECA – failure modes, effects, and criticality analysis
  • FMI – formation micro imaging log (azimuthal microresistivity)
  • FMP – formation microscan report
  • FMS – formation multi-scan log; formation micro-scan log
  • FMT - Flow Management Tool
  • FMTAN – FMT analysis report
  • FOBOT - Fibre Optic Break Out Tray
  • FOET – Further Offshore Emergency Training
  • FOF - Face of Flange
  • FOSA - Field Operating Services Agreement
  • FOSV – full-opening safety valve
  • FPDM – fracture potential and domain modelling/mapping[8][9]
  • FPH – feet per hour
  • FPIT – free-point indicator tool
  • FPL – flow analysis log
  • FPLAN – field plan log
  • FPS - field production system
  • FPSO – floating production storage and offloading vessel
  • FPU – floating processing unit
  • FRA – fracture log
  • FRARE – fracture report
  • FRES – final reserve report
  • FS – fail safe
  • FSB – flowline support base
  • FSI – flawless start-up initiative
  • FSO – floating storage offloading vessel
  • FT – formation tester log
  • FTM – fire-team member
  • FTP – first tranche petroleum
  • FTR – Function Test Report
  • FTRE – formation testing report
  • FULDI – full diameter study report
  • FV – funnel viscosity or float valve
  • FWHP – flowing well-head pressure
  • FWKO – free water knock-out
  • FWL – free water level
  • FWR – final well report
  • FWV – flow wing valve (also known as production wing valve on a xmas tree)
  • F_L - FNL/FEL, from north/east line

G

  • G/C – Gas Condensate
  • GC - Gathering Center
  • G&P – Gathering and Processing
  • G&T- Gathering and Transportation
  • GALT - Gross Air Leak Test
  • GAS – Gas Log
  • GASAN – Gas Analysis Report
  • GBS – Gravity Based Structure
  • GBT – Gravity Base Tank
  • GCLOG – Graphic Core Log
  • GCT – GCT Log
  • GDAT – Geodetic Datum
  • GDE - Gross Depositional Environment
  • GDIP – Geodip Log
  • GDT – Gas Down To
  • GE – Condensate gas equivalent
  • GE – Ground Elevation (also [GR or GRE])
  • GEOCH – Geochemical Evaluation
  • GEODY – GEO DYS Log
  • GEOEV – Geochemical Evaluation Report
  • GEOFO – Geological & Formation Evaluation Report
  • GEOL – Geological Surveillance Log
  • GEOP – Geophone Data Log
  • GEOPN – Geological Well Prognosis Report
  • GEOPR – Geological Operations Progress Report
  • GEORE – Geological Report
  • GGRG – Gauge Ring
  • GIIP – Gas Initially In Place
  • GIH – Go In Hole
  • GIS – Geographic Information System
  • GL – Gas Lift
  • GL – Ground Level
  • GLE – Ground Level Elevation (generally in metres above mean sea level)
  • GLM – Gas Lift Mandrel (alternative name for Side Pocket Mandrel)
  • GLR – Gas Liquid Ratio
  • GLT – GLT Log
  • GLV – Gas Lift Valve
  • GLW –
  • GOC – Gas Oil Contact
  • GOM – Gulf of Mexico
  • GOP – Geological Operations Report
  • GOR – Gas Oil Ratio
  • GOSP – Gas/Oil Separation Plant
  • GPIT – General Purpose Inclinometry Tool (borehole survey)
  • GPLT – Geol Plot Log
  • GPTG - Gallons Per Thousand Gallons
  • GPM- Gallons Per Mcf
  • GPSL – Geo Pressure Log
  • GR – Ground Level (or Elevation //(also [GE or GRE])) or Gamma Ray. Or Gauge Ring (measure hole size)
  • GRAD – Gradiometer Log
  • GRE – Ground Elevation (also [GR or GE])
  • GRLOG – Grapholog
  • GRN – Gamma Ray Neutron Log
  • GRP – Glass Reinforced Plastic
  • GRV – Gross Rock Volume
  • GRSVY – Gradient Survey Log
  • GS – Gas Supplier
  • GS – Gel Strength
  • GST – GST Log
  • GTC/G - Gas Turbine Compressor/Generator
  • GTL – Gas To Liquid
  • GTW – Gas To Wire
  • GUN – Gun Set Log
  • GWC – Gas-Water Contact
  • GWR – Guided Wave Radar
  • GWREP – Geo Well Report

H

  • HAZ – Heat Affected Zone
  • HAZID – Hazard Identification (meeting)
  • HAZOP – Hazardous Operation
  • HBE - High Build Epoxy
  • HBP - Held By Production
  • HC – Hydrocarbons
  • HCAL – HRCC Calliper (in Logs)(in Inches)
  • HCCS – Horizontal Clamp Connection System
  • HCM – Horizontal Connection Module. To connect the Xmas Tree to the Manifold
  • HCS- High-Capacity Square mesh screens
  • HDA – Helideck Assistant
  • HDD – Horizontal Directional Drilling
  • HDPE - High Density Polyethylene
  • HDT – High Resolution Dipmeter Log
  • HDU - Horizontal Drive Unit
  • HEXT – Hex Diplog
  • HFE – Human Factors Engineering
  • HFL – Hydraulic Flying Lead
  • HGO - Heavy Gas Oil
  • HGS – High (Specific-)Gravity Solids
  • HH - Horse Head (on pumping unit)
  • HHP – Hydraulic Horsepower
  • HI - Hydrogen Index
  • HIPPS – High Integrity Pressure Protection System
  • HIRA - Hazard Identification and Risk Assessment
  • HISC – Hydrogen induced stress cracking
  • HL – Hook Load
  • HLCV - Heavy Lift Crane Vessel
  • HLO – Heavy Load-out (Facility)
  • HLO – Helicopter Landing Officer
  • Hmax – Maximum Wave Height
  • HNGS - flasked Hostile Natural Gamma-ray Spectrometry tool 
  • HOB - Hang on bridle (cable assy)
  • HP – Hydrostatic Pressure
  • HPGAG – High Pressure Gauge
  • HPHT – High Pressure High Temperature (same as HTHP)
  • HPPS – HP Pressure Log
  • HPU – Hydraulic Power Unit
  • HPWBM – High Performance Water Base Mud
  • HRCC – HCAl of Calliper (in Inches)
  • HRLA - High Resolution Laterolog Array (resistivity logging tool)
  • HRF- Hyperbaric Rescue Facility/Vessel
  • Hs – Significant Wave Height
  • HSE – Health, Safety and Environment or Health & Safety Executive (United Kingdom)
  • HSV- Hyperbaric Support Vessel
  • HTHP – High Temperature High Pressure (same as HPHT)
  • HTM – Helideck Team Member
  • HVDC – High Voltage Direct Current
  • HWDP – Heavy-Weight Drill Pipe (sometimes spelled Hevi-Wate)
  • HUD – Hold Up Depth
  • HUN - Hold Up Nipple
  • HUET - Helicopter Underwater Escape Training
  • HWDP – Heavy Weight Drill Pipe
  • HYPJ – Hyperjet
  • HYROP – Hydrophone Log

I

  • I:P – Injector To Producer Ratio
  • IADC – International Association of Drilling Contractors
  • IAT - Internal Active Turret
  • IBC – Intermediate Bulk Container
  • ICoTA – Intervention and Coiled Tubing Association
  • ICD – Inflow Control Device
  • ICP – Intermediate Casing Point
  • ICSS - Integrated Controls and Safety System
  • ICSU – Integrated Commissioning and Start Up
  • ICV – Interval Control Valve
  • ICV – Integrated Cement Volume (of Borehole)(in Cubic Metres)
  • ICW - InComplete Work
  • ID – Inner or Internal Diameter (of a tubular component such as a casing)
  • IDC – Intangible Drilling Costs
  • IDEL – IDEL Log
  • IEB – Induction Electro BHC Log
  • IEL – Induction Electrical Log
  • IF – Internal Flush tool joint
  • iFLS - intelligent fast load shedding
  • IGPE - Immersion Grade Phenolic Epoxy
  • IH – Gamma Ray Log
  • IHEC - Isolation of Hazardous Energy Certificate
  • IHUC - Installation, Hook-Up and Commissioning
  • IHV – Integrated Hole Volume (of Borehole) (in Cubic Metres)
  • IIC - Infield Installation Contractor
  • IJL – Injection Log
  • IL – Induction Log
  • ILI – InLine Inspection (Intelligent Pigging)
  • ILOGS – Image Logs
  • ILT - In-Line Tee
  • IMAG – Image Analysis Report
  • IMCA – International Marine Contractors Association
  • IMPP - Injection Molded Polypropylene Coating System
  • IMR - Inspection Maintenance and Repair
  • INCR – Incline Report
  • INCRE – Incline Report
  • INDRS – IND RES Sonic Log
  • INDT – INDT Log
  • INDWE – Individual Well Record Report
  • INJEC – Injection Falloff Log
  • INSUR – Inrun Survey Report
  • INVES – Investigative Program Report
  • IOC – International Oil Company
  • IOM - Installation, Operation and Maintenance Manual
  • IPAA – Independent Petroleum Association of America
  • IPC – Installed Production Capacity
  • IPLS – IPLS Log
  • IPR – Inflow Performance Relationship
  • IPT - Internal Passive Turret
  • IR – Interpretation Report
  • IRC – Inspection Release Certificate
  • IRTJ – IRTJ Gamma Ray Slimhole Log
  • ISF – ISF Sonic Log
  • ISFBG – ISF BHC GR Log
  • ISFCD – ISF Conductivity Log
  • ISFGR – ISF GR Casing Collar Locator Log
  • ISFL – ISF-LSS Log
  • ISFP – ISF Sonic True Vertical Depth Playback Log
  • ISFPB – ISF True Vertical Depth Playback Log
  • ISFSL – ISF SLS MSFL Log
  • ISIP - Initial Shut In Pressure
  • ISSOW - Integrated Safe System of Work
  • ITD - Internal Turret Disconnectable
  • ITR - Inspection Test Record
  • ITS – Influx To Surface
  • ITT - Internal Testing Tool. (For BOP test).
  • IUG - Instrument Utility Gas
  • IWCF – International Well Control Federation
  • IWOCS – Installation / Workover Control System

J

  • J&A – Junked and Abandoned
  • JB – Junk Basket
  • JIB - Joint Interest Billing
  • JLT - J-Lay Tower
  • JT – Joule-Thomson (effect/valve/separator)
  • JTS - Joints
  • JU – Jack-Up drilling rig
  • JV - Joint Venture
  • JVP – Joint Venture Partners/Participants

K

  • KBE – Kelly Bushing Elevation (in meters above sea level, or meters above Ground Level)
  • KBUG – Kelly Bushing under ground (drilling up in coal mines, West Virginia, Baker & Taylor Drilling)
  • KCI - Potassium Chloride (KCI) mud
  • KD – Kelly Down
  • KMW - Kill Mud Weight
  • KOP – Kick-Off Point Directional Drilling
  • KOP – Kick Off Plug
  • KP – Kilometre post
  • KRP – Kill Rate Pressure
  • KB – Kelly Bushing
  • KBG – Kelly Bushing Height above Ground Level
  • KT - Kill Truck

L

  • LACT – Lease Automatic Custody Transfer
  • LAH – Lookahead
  • LAOT – Linear Activation Override Tool
  • LARS – Launch & Recovery System
  • LAS - Log ASCII Standard
  • LAT – Lowest Astronomical Tide
  • LCM – Lost Circulation Material
  • LCNLG – LDT CNL Gamma Ray Log
  • LD – Lay Down (tubing, rods, etc.)
  • LDAR - Leak Detection and Repair
  • LDL – Litho Density Log
  • LDS - Leak Detection System (pipeline monitoring)
  • LDTEP – LDT EPT Gamma Ray Log
  • LEAKL – Leak Detection Log
  • LEPRE – Litho-Elastic Property Report
  • LER – Lands Eligible for Remining or Land Equivalent Ratio
  • LGO – Light Gas Oil
  • LGR – Liquid Gas Ratio
  • LGS – Low (specific-)Gravity Solids
  • LIC – License
  • LIB - Lead Impression Block
  • LINCO – Liner and Completion Progress Report
  • LIOG – Lithography Log
  • LIT – Lead Impression Tool
  • LITDE – Litho Density Quicklook Log
  • LITHR – Lithological Description Report
  • LITRE – Lithostratigraphy Report
  • LITST – Lithostratigraphic Log
  • LKO – Lowest Known Oil
  • LL – Laterolog
  • LMAP – Location Map
  • LMRP – Lower Marine Riser Package
  • LMV – Lower Master Valve (on a Xmas tree)
  • LNG – Liquefied Natural Gas
  • LOA – Letter of Authorisation/Agreement/Authority
  • LOE – Lease Operating Expenses
  • LOGGN – Logging Whilst Drilling
  • LOGRS – Log Restoration Report
  • LOGSM – Log Sample
  • LOLER – Lifting Operations and Lifting Equipment Regulations
  • LOT – Leak-Off Test
  • LOT – Linear Override Tool
  • LOT – Lock Open Tool
  • LOTO – Lock Out / Tag Out
  • LP – Low Pressure
  • LPG – Liquefied Petroleum Gas
  • LPH – Litres Per Hour
  • LPWHH – Low Pressure Well Head Housing
  • LRA – Lower Riser Assembly
  • LRP – Lower Riser Package
  • LSBGR – Long Spacing BHC GR Log
  • LSD – Land Surface Datum
  • LSP – Life Support Package
  • LSSON – Long Spacing Sonic Log
  • LT – Linear Time or Lag Time
  • L&T - Load and Test
  • LTC - Long Thread and Coupled
  • LT&C - Long Thread and Coupled
  • LTI(FR) – Lost Time Incident (Frequency Rate)
  • LTP - liner shaker, tensile bolting cloth, perforated panel backing.
  • LUMI – Luminescence Log
  • LUN - Livening Up Notice
  • LVEL – Linear Velocity Log
  • LVOT – Linear Valve Override Tool
  • LWD – Logging While Drilling
  • LWOL - Last Well on Lease
  • LWOP – Logging Well on Paper 

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