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

2019.06.17

15 959

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AAODC – American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)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