百虑亨通 思齐致达
石油常用缩略用语
petrostar

     A

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     AAODC — American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)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

     ABSA — Alberta Boilers Safety Association

     ACHE — Air-Cooled Heat Exchanger

     ACOU — Acoustic

     ACQU — Acquisition log

     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

     AIRG — airgun

     AIRRE — airgun report

     AIT — array induction tool

     AL — appraisal license (United Kingdom), a type of onshore licence issued before 1996

     ALARP — as low as reasonably practicable

     ALC — aertical seismic profile acoustic log calibration report

     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

     ANACO — analysis of core logs report

     ANARE — analysis report

     AOF — absolute open flow

     AOFP — absolute open-flow potential

     APD — application for permit to drill

     API — American Petroleum Institute: both the organisation and measure of oil weight (API gravity) in ºAPI

     APPRE — appraisal report

     APS — active pipe support

     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

     ASI — ASI log

     ASME — American Society of Mechanical Engineers

     ASP — array sonic processing report

     ASTM — American Society for Testing and Materials

     ASCSSV — annulus surface controlled sub-surface valve

     ASV — annular safety valve

     ATD — application to drill

     AUV - authonomus underwater vehicle

     AV — annular velocity or apparent viscosity

     AVO — amplitude versus offset (geophysics)

     AWB/V — annulus wing block/valve (XT)

     AWO — approval for well operation

     B

     B or b — prefix denoting a number in billions

     BA — Bottom Assembly (of a riser)

     bbl — barrel

     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

     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

     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

     BOREH — borehole seismic analysis

     BOSIET — basic offshore safety induction and emergency training

     BOTHL — bottom hole locator log

     BOTTO — bottom hole pressure/temperature report

     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

     BSEE — US: Bureau of Safety and Environmental Enforcement (Formerly the MMS)

     BSR — blind shear rams (blowout preventer)

     BSML — below sea mean level

     BS&W; — basic sediments and water

     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

     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’ 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

     CIDL — chemical injection downhole lower

     CIDU — chemical injection downhole upper

     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)

     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

     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

     CRT - Casing Running 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 — 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

     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

     D

     D — Development

     D&C; — drilling and completions

     DAC — dipole acoustic log

     DARCI — Darci log

     DAT — wellhead housing drill-ahead tool

     DAZD — dip and azimuth display

     DBB — double block and bleed

     DC — drill centre

     DC — drill collar(s)

     DCAL — dual caliper log

     DCS — Distributed Control System

     DD — directional driller or directional drilling

     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

     DECC — Department for Energy and Climate Change (UK)

     DECT — decay time

     DEFSU — definitive survey report

     DELTA — delta-T log

     DEN — density log

     DEPAN — deposit analysis report

     DEPC — depth control log

     DESFL — deep induction SFL log

     DEV — development well, Lahee classification

     DEVLG — deviation log

     DEXP — D-exponent log

     DF — Derrick floor

     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

     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

     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, Lahee classification

     DQLC — dipmeter quality control log

     DR — dummy-run log

     DR — drilling report

     DRI — drift log

     DRLCT — drilling chart

     DRLOG — drilling log

     DRLPR — drilling proposal/progress report

     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

     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

     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

     ECP — External Casing Packer

     ECRD — Electrically Controlled Release Tool

     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

     EFL — Electrical Flying Lead

     EFR — Engineering Factual Report

     EHT — Electric Heat Trace

     EGMBE — Ethylene Glycol Mono-Butyl Ether

     ELT — Economic Limit Test

     EL — Electric Log

     EM — EMOP Log

     EMOP — EMOP Well Site Processing Log

     EMP — Electromagnetic Propagation Log

     EMG — Equivalent Mud Gradient

     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)[6]

     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

     ER(D) — Extended Reach (Drilling)

     ERT — Emergency Response Training

     ESD — Emergency Shut-Down

     ESP — Electric Submersible Pump

     ETAP — Eastern Trough Area Project

     ETD — External Turret Disconnectable

     ETTD — Electromagnetic Thickness Test

     ETU — Electrical Test Unit

     EUR — Estimated Ultimate Recovery

     EVARE — Evaluation Report

     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

     FACHV — four-arm calliper log

     FANAL — formation analysis sheet log

     FAT — factory acceptance testing

     FBE — fusion-bonded epoxy

     FC — float collar

     FCP — final circulating pressure

     FCVE — F-curve log

     FDC — formation density log

     FDP — field development plan

     FDS — functional design specification

     FEED — front-end engineering and design

     FER — field equipment room

     FEWD — formation evaluation while drilling

     FFAC — formation factor log

     FFM — full field model

     FGEOL — final geological report

     FH — full-hole tool joint

     FI — final inspection

     FID — final investment decision

     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

     FL — F log

     FLAP — fluid level above pump

     FLDF — Flying Lead Deployment Frame

     FLIV — flowline injection valve

     FLIV — flowline isolation valve

     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

     FMP — formation microscan report

     FMS — formation multi-scan log; formation micro-scan log

     FMTAN — FMT analysis report

     FOET — Further Offshore Emergency Training

     FOSV — full-opening safety valve

     FPDM — fracture potential and domain modelling/mapping[7][8]

     FPIT — free-point indicator tool

     FPL — flow analysis log

     FPLAN — field plan log

     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

     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)

     G

     G/C — Gas Condensate

     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

     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

     GOC — Gas Oil Contact

     GOM — Gulf of Mexico

     GOP — Geological Operations Report

     GOR — Gas Oil Ratio

     GOSP — Gas/Oil Separation Plant

     GPIT — Inclinometry Tool Log

     GPLT — Geol Plot Log

     GPM- Gallons Per Mcf

     GPSL — Geo Pressure Log

     GR — Ground Level (or Elevation //(also [GE or GRE])) or Gamma Ray

     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

     GTL — Gas To Liquid

     GTW — Gas To Wire

     GUN — Gun Set Log

     GWC — Gas-Water Contact

     GWREP — Geo Well Report

     H

     HAZ — Heat Affected Zone

     HAZID — Hazard Identification (meeting)

     HAZOP — Hazardous Operation

     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

     HDA — Helideck Assistant

     HDPE — High Density Polyethylene

     HDT — High Resolution Dipmeter Log

     HDU — Horizontal Drive Unit

     HEXT — Hex Diplog

     HFE — Human Factors Engineering

     HFL — Hydraulic Flying Lead

     HGS — High (Specific-)Gravity Solids

     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

     HLO — Heavy Load-out (Facility)

     HLO — Helicopter Landing Officer

     Hmax — Maximum Wave Height

     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)

     Hs — Significant Wave Height

     HSE — Health, Safety and Environment or Health & Safety Executive (United Kingdom)

     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

     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)

     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

     IH — Gamma Ray Log

     IHV — Integrated Hole Volume (of Borehole) (in Cubic Metres)

     IJL — Injection Log

     IL — Induction Log

     ILI — InLine Inspection (Intelligent Pigging)

     ILOGS — Image Logs

     IMAG — Image Analysis Report

     IMCA — International Marine Contractors Association

     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

     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

     ITD — Internal Turret Disconnectable

     ITR — Inspection Test Record

     ITS — Influx To Surface

     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

     JU — Jack-Up drilling rig

     JT — Joule-Thomson (effect/valve/separator)

     JV — Joint Venture

     JVP — Joint Venture Partners/Participants

     K

     KBE — Kelly Bushing Elevation (in meters above sea level, or meters above Ground Level)

     KD — Kelly Down

     KMW — Kill Mud Weight

     KOP — Kick-Off Point Directional Drilling

     KOP — Kick Off Plug

     KRP — Kill Rate Pressure

     KB — Kelly Bushing

     KBG — Kelly Bushing Height above Ground Level

     L

     LACT — Lease Automatic Custody Transfer

     LAH — Lookahead

     LAOT — Linear Activation Override Tool

     LARS — Launch & Recovery System

     LAT — Lowest Astronomical Tide

     LCM — Lost Circulation Material

     LCNLG — LDT CNL Gamma Ray Log

     LD — Lay Down (tubing, rods, etc.)

     LDL — Litho Density Log

     LDTEP — LDT EPT Gamma Ray Log

     LEAKL — Leak Detection Log

     LEPRE — Litho-Elastic Property Report

     LGR — Liquid Gas Ratio

     LGS — Low (specific-)Gravity Solids

     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

     LRP — Lower Riser Package

     LSD — Land Surface Datum

     LSBGR — Long Spacing BHC GR Log

     LSSON — Long Spacing Sonic Log

     LT — Linear Time or Lag Time

     LTI(FR) — Lost Time Incident (Frequency Rate)

     LUMI — Luminescence Log

     LVEL — Linear Velocity Log

     LVOT — Linear Valve Override Tool

     LWD — Logging While Drilling

     LWOP — Logging Well on Paper

     M

     M or m — prefix designating a number in thousands (not to be confused with SI prefix M for mega- or m for milli)

     m — metre

     MAASP — Maximum Acceptable [or Allowable] Annular Surface Pressure

     MAC — Multipole Acoustic Log

     MACL — Multiarm Caliper Log

     MAGST — Magnetostratigraphic Report

     MAOP — Maximum Allowable Operating Pressure

     MARA — Maralog

     MAWP — Maximum Allowable Working Pressure

     Mbd — thousand barrels (of oil) per day

     Mbod — thousand barrels of oil per day

     Mboe — thousand barrels of oil equivalent

     Mboed — thousand barrels of oil equivalent per day

     Mbpd — thousand barrels of oil per day

     MBR — Minimum Bend Radius

     MBRO — Multi-Bore Restriction Orifices

     MBT — Methylene Blue Test

     MBWH — Multi Bowl Wellhead

     MCD — Mechanical Completion Dossier

     Mcf — thousand cubic feet of natural gas

     Mcfe — thousand cubic feet of natural gas equivalent

     MCHE — Main Cryogenic Heat Exchanger

     MCM — Manifold Choke Module

     MCS — Manifold & Connection System

     MCS — Master Control Station

     mD — millidarcy, measure of permeability, with units of area

     MD — Measured Depth (see also MDSS)

     MD — Measurements/Drilling Log

     MDEA — Methyl Diethanolamine (aMDEA)

     MDL — Methane Drainage Licence (United Kingdom), a type of onshore licence allowing natural gas to be collected "in the course of operations for making and keeping safe mines whether or not disused"

     MDSS — Measured Depth Sub-Sea

     MDT — Modular formation Dynamic Tester

     MEA — Monoethanolamine

     MEG — Mono-Ethylene Glycol

     MEIC - Mechanical Electrical Instrumentation Commission

     MEPRL — Mechanical Properties Log

     MERCR — Mercury Injection Study Report

     MERG — Merge FDC/CNL/Gamma Ray/Dual Laterolog/Micro SFL Log

     MEST — Micro-electrical scanning tool (a dipmeter, aka. MST or FMS).[9]

     MF — Marsh Funnel (mud viscosity)

     MFCT — Multifinger Calliper Tool

     MGL — Magnelog

     MLH — Mud Liner Hanger

     MIFR — Mini Frac Log

     MINL — Minilog

     MIPAL — Micropalaeo Log

     MIRU — Move In and Rig Up

     MIST — Minimum Industry Safety Training

     MIYP — Maximum Internal Yield Pressure

     mKB — Meters below Kelly Bushing

     ML — Microlog, or Mud Log

     MLL — Microlaterolog

     MLF — Marine Loading Facility

     MM or mm — prefix designating a number in millions (or SI unit — millimetre)

     MMbd — million barrels per day

     MMbod — million barrels of oil per day

     MMboe — million barrels of oil equivalent

     MMboed — million barrels of oil equivalent per day

     MMbpd — million barrels per day

     MMcf — million cubic feet (of natural gas)

     MMcfe — million cubic feet (of natural gas equivalent)

     MMS — Minerals Management Service, (United States)

     mmscfd — million standard cubic feet per day

     MMTPA — Millions of Metric Tonnes per Annum

     mmstb — million stock barrels

     MNP — Merge and Playback Log

     MODU — Mobile Offshore Drilling Unit

     MOF — Marine Offloading Facility

     MOPU — Mobile Offshore Production Unit

     MOT — Materials/Marine Offloading Terminal

     MPA — Micropalaeo Analysis Report

     MPD — Managed Pressure Drilling

     MPFM — Multi-Phase Flow Meter

     MPK — Merged Playback Log

     MPP — Multiphase Pump

     MPQT — Manufacturing Procedure Qualification Test

     MPS — Manufacturing Procedure Specification

     MPV — Multi Purpose Vessel

     MQC — Multi Quick Connection Plate

     MR — Marine Riser

     MR — Morning Report

     MRBP — Magna Range Bridge Plug

     MRCV — Multi Reverse Circulating Valve

     MRIRE — Magnetic Resonance Image Report

     MRR — Material Receipt Report

     MSCT — MSCT Gamma Ray Log

     MSFL — Micro SFL Log; Micro-Spherically Focussed Log (resistivity).

     MSI — Mechanical and Structural Inspection

     MSIPC — Multi Stage inflatable Packer Collar

     MSL — Mean Sea Level

     MSL — Micro Spherical Log

     MSS — Magnetic Single Shot

     MST — MST EXP Resistivity Log

     MTBF — Mean Time Between Failure

     MTT — MTT Multi-Isotope Trace Tool

     MUD — Mud Log

     MUDT — Mud Temperature Log

     MuSol — Mutual Solvent

     MVB — Master Valve Block on Xmas Tree

     MW — Mud weight

     MWD — Measurement While Drilling

     MWDRE — Measurement While Drilling Report

     MWS — Marine Warranty Survey

     N

     NACE — National Association of Corrosion Engineers

     NAPF — Non Aqueous Phase Fluid

     NASA — Non Active Side Arm (term used in the North Sea for kill wing valve on a Xmas tree)

     NAVIG — Navigational Log

     NB — Nominal Bore

     ND — Nipple Down

     NDE — Non Destructive Examination

     NEUT — Neutron Log

     NFG — 'No Fucking Good' used for marking damaged equipment, not to be confused with NG being natural gas

     NFI — No Further Investment

     NFW — New Field Wildcat, Lahee classification

     NG — Natural Gas

     NGDC — National Geoscience Data Centre (United Kingdom)

     NGL — Natural Gas Liquids

     NGR — Natural Gamma Ray

     NGRC — National Geological Records Centre (United Kingdom)

     NGS — NGS Log

     NGSS — NGS Spectro Log

     NGT — NGT Log

     NGTLD — NGT LDT QL Log

     NGLQT — NGT QL Log

     NGTR — NGT Ratio Log

     NHDA — National Hydrocarbons Data Archive (United Kingdom)

     NHPV — Net Hydrocarbon Pore Volume

     NMDC - Non Magnetic Drill Collar

     NMHC — Non-Methane Hydrocarbons

     NMR — Nuclear Magnetic Resonance Log

     NMVOC — Non-Methane Volatile Organic Compounds

     NNS — Northern North Sea

     NOISL — Noise Log

     NOC — National Oil Company

     NORM — Naturally Occurring Radioactive Material

     NP — Non Producing well (as opposed to P — Producing well)

     NPD — Norwegian Petroleum Directorate

     NPS — Nominal Pipe Size (sometimes NS)

     NPSH — Net Positive Suction Head

     NPV — Net Present Value

     NRV — Non Return Valve

     NPW — New Pool Wildcat, Lahee classification

     NS — North Sea; can also refer to the North Slope Borough, Alaska, the North Slope, which includes Prudhoe Bay Oil Field (the largest US oil field), Kuparuk Oil Field, Milne Point, Lisburne, and Point McIntyre among others.

     NTHF — Non-Toxic High Flash

     NTU — Nephelometric Turbidity Unit

     NUMAR — Magnetic Resonance Image Log

     O

     O&G; — Oil and Gas

     O&M; — Operations and Maintenance

     OBCS — Ocean Bottom Cable System

     OBDTL — OBDT Log

     OBEVA — OBDT Evaluation Report

     OBM — Oil-Based Mud

     OCIMF — Oil Companies International Marine Forum

     OCI — Oil Corrosion Inhibitor (Vessels)

     OCL — Quality Control Log

     OCTG — Oil Country Tubular Goods (oil well casing, tubing, and drill pipe)[10]

     OD — Outer Diameter (of a tubular component such as casing)

     ODT — Oil Down To

     OFST — Offset Vertical Seismic Profile

     OEM — Original Equipment Manufacturer

     OH — Openhole

     OH — Openhole Log

     OHC — Open Hole Completion

     OI — Oxygen Index

     OIM — Offshore Installation Manager

     OMRL — Oriented Micro-Resistivity Log

     ONAN — Oil Natural Air Natural cooled transformer

     ONNR - Office of Natural Resources Revenue (formerly MMS)

     OOE — Offshore Operation Engineer (senior technical authority on an offshore oil platform)

     OOIP — Original Oil In Place

     OOT — Out of Tolerance

     OPITO — Offshore Petroleum Industry Training Organization

     OPEC — Organization of Petroleum Exporting Countries

     OPL — Operations Log

     OPRES — Overpressure Log

     OPS — Operations Report

     ORICO — Oriented Core Data Report

     OS&D; — Over, Short & Damage (Report)

     OT — A Well On Test

     OTDR — Optical Time Domain Reflectometry

     OTIP — Operational Testing Implementation Plan

     OTL — Operations Team Leader

     OTSG — One-time Through Steam Generator

     OWC — Oil Water Contact

     OT — Off Tree

     OUT — Outpost, Lahee classification

     OUT — Oil Up To

     OVCH — Oversize Charts

     OVID — Offshore Vessel Inspection Database

     OWC — Oil-Water Contact

     P

     P — Producing well (as opposed to NP — Non Producing)

     P&A; — plugged and abandoned (of a well)

     PA — Producing Asset

     PA — Polyamide

     PADPRT — Pressure Assisted Drillpipe Running Tool

     PA — Producing Asset with Exploration Potential

     PAL — Palaeo Chart

     PALYN — Palynological Analysis Report

     PAR — Pre-Assembled Rack

     PAGA — Public Address General Alarm

     PAU — Pre-Assembled Unit

     PBDMS — Playback DMSLS Log

     PBHL — Proposed Bottom Hole Location

     PBR — Polished Bore Receptacle (component of a completion string)

     PBD — Pason Billing System

     PBTD — Plug Back Total Depth

     PBU — Pressure Build Up (applies to integrity testing on valves)

     PCA — Production Concession Agreement

     PCB — Poly Chlorinated BiPhenyl

     PCCL — Perforation Casing Collar Locator Log

     PCDM — Power and Control Distribution Module

     PCKR — Packer

     PCOLL — Perforation and Collar

     PDC — Perforation Depth Control

     PDC — Polycrystalline Diamond Composite (a type of drilling bit)

     PDG/PDHG — Permanent Downhole Gauge

     PDKL — PDK Log

     PDKR — PDK 100 Report

     PDM — Positive Displacement Motor

     PDP — Proved Developed Reserves

     PDPM — Power Distribution Protection Module

     PDNP — Proved Developed Not Producing

     PE — Petroleum Engineer

     PE — Professional Engineer

     PE — Polyethylene

     PEA — Palaeo Environment Study Report

     PEDL — Petroleum Exploration and Development Licence (United Kingdom), introduced in the 8th Onshore Licensing Round

     PENL — Penetration Log

     PEP — PEP Log

     PERDC — Perforation Depth Control

     PERFO — Perforation Log

     PERM — Permeability

     PERML — Permeability Log

     PESGB — Petroleum Exploration Society of Great Britain

     PETA — Petrographical Analysis Report

     PETD — Petrographic Data Log

     PETLG — Petrophysical Evaluation Log

     PETPM — Petrography Permeametry Report

     PETRP — Petrophysical Evaluation Report

     PFE — Plate/Frame Heat Exchanger

     PFHE — Plate Fin Heat Exchanger

     PFC — PFC Log

     PFPG — Perforation Plug Log

     PFREC — Perforation Record Log

     PG — Pressure Gauge (Report)

     PGB — Permanent Guide Base

     PGOR — Produced Gas Oil Ratio

     PH — Phasor Log

     PHASE — Phasor Processing Log

     PHB — Pre-Hydrated Bentonite

     PHC — Passive Heave Compensator

     PHOL — Photon Log

     PHYFM — Physical Formation Log

     PI — Productivity Index or (Permit Issued)

     PINTL — Production Interpretation

     PIP — Pipe in Pipe

     PL — Production Licence

     PLEM — Pipeline End Manifold

     PLES — Pipeline End Structure

     PLET — Pipeline End Termination

     PLG — Plug Log

     PLS — Position Location System

     PLSV — Pipelay Support Vessel

     PLT — Production Logging Tool

     PLTQ — Production Logging Tool Quicklook Log

     PLTRE — Production Logging Tool Report

     PMI — Positive Material Identification

     PMV — Production Master Valve

     PNP — Proved Not Producing

     POB — Personnel on Board

     POBM — Pseudo-Oil-Based Mud

     POF — Permanent Operations Facility

     POOH / POH — Pull Out Of Hole

     PON — Petroleum Operations Notice (United Kingdom)

     POR — Density Porosity Log

     POSFR — Post Fracture Report

     POSTW — Post Well Appraisal Report

     POSWE — Post Well Summary Report

     PP — DXC Pressure Plot Log

     PP — Pump Pressure

     ppcf — Pounds Per Cubic Foot

     PPE — Preferred Pressure End

     PPE — Personal Protective Equipment

     ppg — Pounds Per Gallon

     PPI — Post Production Inspection/Intervention

     PPI — Post Pipelay Installation

     pptf — Pounds (per square inch) Per Thousand Feet (of depth) — a unit of fluid density/pressure

     PPS — Production Packer Setting

     PQR — Procedure Qualification Record

     PR2 — Testing regime to API6A Annex F

     PRA — Production Reporting & Allocation

     PREC — Perforation Record

     PRESS — Pressure Report

     PROD — Production Log

     PROTE — Production Test Report

     PROX — Proximity Log

     PRSRE — Pressure Gauge Report

     PSANA — Pressure Analysis

     PSA — Production Service Agreement

     PSA — Production Sharing Agreement

     PSC — Production Sharing Contract

     PSD — Planned Shut-Down

     PSIA — Pounds Per Square Inch Atmospheric

     PSIG — Pounds Per Square Inch Gauge

     PSL — Product Specification Level

     PSLOG — Pressure Log

     PSP — Pseudostatic Spontaneous Potential

     PSPL — PSP Leak Detection Log

     PSQ — Plug Squeeze Log

     PST — PST Log

     PSV — Pipe Supply Vessel

     PSV — Pressure Safety Valve

     PSVAL — Pressure Evaluation Log

     PTA/S — Pipeline Termination Assembly/Structure

     PTO — Permit to Operate

     PTSET — Production Test Setter

     PTTC — Petroleum Technology Transfer Council, United States

     PTW — Permit to Work

     PU — Pick Up (tubing, rods, power swivel, etc.)

     PUD — Proved Undeveloped Reserves

     PUN — Puncher Log

     PUR — Plant Upset Report

     PUWER — Provision and Use of Work Equipment Regulations

     PV — Plastic Viscosity

     PVDF — Polyvinylidene Fluoride

     PVT — Pressure Volume Temperature

     PVTRE — Pressure Volume Temperature Report

     PW — Produced Water

     PWB — Production Wing Block (XT)

     PWHT — Post Weld Heat Treat

     PWRI — Produced Water Re-Injection

     PWV — Production Wing Valve (also known as a flow wing valve on a Xmas tree)

     Q

     QC — Quality control

     QCR — Quality Control Report

     QL — Quicklook Log

     R

     RAC — Ratio Curves

     RACI — Responsible / Accountable / Consulted / Informed

     RAM — Reliability, Availability, and Maintainability

     RAWS — Raw Stacks VSP Log

     RBP — Retrievable Bridge Plug

     RKB — Rotary Kelly Bushings

     RCA — Root Cause Analysis

     RCKST — Rig Checkshot

     RCD — Rotating Control Device

     RCI — Reservoir Characterization Instrument

     RCL — Retainer Correlation Log

     RCM — Reliability Centred Maintenance

     RCR — Remote Component Replacement (Tool)

     RCU — Remote Control Unit

     RDMO — Rig Down Move Out

     RE — Reservoir Engineer

     REOR — Reorientation Log

     RE-PE — Re-Perforation Report

     RESAN — Reservoir Analysis

     RESEV — Reservoir Evaluation

     RESFL — Reservoir Fluid

     RESI — Resistivity Log

     RESL — Reservoir Log

     RESOI — Residual Oil

     REZ — Renewable Energy Zone (United Kingdom)

     RF — Recovery Factor

     RFLNG — Ready for Liquefied Natural Gas

     RFMTS — Repeat Formation Tester

     RFSU — Ready For Start-Up

     RFT — Repeat Formation Tester

     RFTRE — Repeat Formation Tester Report

     RFTS — Repeat Formation Tester Sample

     RIGMO — Rig Move

     RIH — Run In Hole

     RIMS — Riser Integrity Monitoring System

     RITT — Riser Insertion Tube (Tool)

     RKB — Rotary Kelly Bushing (a datum for measuring depth in an oil well)

     RLOF — Rock Load-out Facility

     RMLC — Request for Mineral Land Clearance

     RMP — Reservoir Management Plan

     RMS — Ratcheting Mule Shoe

     RMS — Riser Monitoring System

     RNT — RNT Log

     ROCT — Rotary Coring Tool

     ROP — Rate of Penetration

     ROP — Rate of Perforation

     ROT — Remote Operated Tool

     ROV/WROV — Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance

     ROZ — Recoverable Oil Zone

     ROWS — Remote Operator Workstation

     RPCM — Ring Pair Corrosion Monitoring

     RPM — Revolutions Per Minute, (Rotations Per Minute)

     RROCK — Routine Rock Properties Report

     RSS — Rig Site Survey

     RSS — Rotary Steerable Systems

     RST — Reservoir Saturation Tool (Schlumberger) Log

     RTTS — Retrievable Test-Treat-Squeeze (packer)

     RWD — Reaming While Drilling

     S

     SABA — Supplied Air Breathing Apparatus

     SAGD — Steam Assisted Gravity Drainage

     SALM — Single Anchor Loading Mooring

     SAM — Subsea Accumulator Module

     SAML — Sample Log

     SAMTK — Sample Taker Log

     SANDA — Sandstone Analysis Log

     SAT — SAT Log

     SAT — Site Acceptance Test

     SB — SIT-BO Log

     SBF — Synthetic Base Fluid

     SBM — Synthetic Base Mud

     SBT — Segmented Bond Tool

     SC — Seismic Calibration

     SCADA — Supervisory Control and Data Acquisition

     SCAL — Special core analysis

     SCAP — Scallops Log

     SCBA — Self Contained Breathing Apparatus

     SCDES — Sidewall Core Description

     scf — standard cubic feet (of natural gas)

     SCHLL — Schlumberger Log also SCHLO, SCHLU

     SCM(MB) — Subsea Control Module (Mounting Base)

     SCO — Synthetic crude oil

     SCRS — Sidewall Cores

     SCSSV — Surface Controlled Subsurface Safety Valve

     SD — Sonic Density

     SDFD — Shut Down For Day

     SDFN — Shut Down For Night

     SDIC — Sonic Dual Induction

     SDL — Supplier Document List

     SDM/U — Subsea Distribution Module/Unit

     SDPBH — SDP Bottom Hole Pressure Report

     SDT — Step Draw-down Test (sometimes SDDT)

     SDU/M — Subsea Distribution Unit/Module

     SEA — Strategic Environmental Assessment (United Kingdom)

     SECGU — Section Gauge Log

     SEDHI — Sedimentary History

     SEDIM — Sedimentology

     SEDL — Sedimentology Log

     SEDRE — Sedimentology Report

     SEM — Subsea Electronics Module

     Semi (or Semi-Sub) — Semi-Submersible Drilling Rig

     SEPAR — Separator Sampling Report

     SEQSU — Sequential Survey

     SFERAE — Global Association for the use of knowledge on Fractured Rock in a state of Stress, in the field of Energy, Culture and Environment[11]

     SFL — Steel Flying Lead

     SG — Static Gradient

     SGR — Shale Gouge Ratio

     SGSI — Shell Global Solutions International

     SGUN — Squeeze Gun

     SHA — Sensor Harness Assembly

     SHDT — Stratigraphic High Resolution Dipmeter Tool

     SHO — Stab and Hinge Over

     SHOCK — Shock Log

     SHOWL — Show Log

     SI — Shut In well

     SI/TA — Shut In/Temporarily Abandoned

     SICP — Shut-In Casing Pressure

     SIDPP — Shut-In Drill Pipe Pressure

     SIDSM — Sidewall Sample

     SIGTTO — Society of International Gas Tanker and Terminal Operators

     SIMCON — Simultaneous Construction

     SIMOPS — Simultaneous Operations

     SIP — Shut In Pressure

     SIPES — Society of Independent Professional Earth Scientists, United States

     SIT — System Integration Test FR SIT — Field Representation SIT

     SIT — (Casing) Shoe Integrity Test

     SITHP — Shut In Tubing Hanger/Head Pressure (another term for CITHP)

     SITT — Single TT Log

     SIWHP — Shut-in Well Head Pressure

     SKPLT — Stick Plot Log

     SL — Seismic Lines

     SLS — SLS GR Log

     SLT — SLT GR Log

     SMA — Small Amount

     SMLS — Seamless PipeMPP:

     SMO — Suction Module

     SMPC — Subsea Multiphase Pump: Pump, which can increase flowrate and pressure of the untreated wellstream

     SN — Seat Nipple

     SNAM — Societá NAzionale Metanodotti now Snam S.p.A. (Italy)[12]

     SNP — Sidewall Neutron Porosity

     SNS — Southern North Sea

     SOBM — Synthetic Oil Based Mud

     SOLAS — Safety of Life at Sea

     SONCB — Sonic Calibration Log

     SONRE — Sonic Calibration Report

     SONWR — Sonic Waveform Report

     SONWV — Sonic Waveform Log

     SOW _ Slip-On Wellhead

     SP — Set Point

     SP — Shot point (geophysics)

     SP — Spontaneous Potential (Well Log)

     SPCAN — Special core analysis

     SPCU — Subsea Power and Control Unit

     SPE — Society of Petroleum Engineers[13]

     SPEAN — Spectral Analysis

     SPEL — Spectralog

     SPFM — Single Phase Flow Meter

     SPH — SPH Log

     SPM — Side Pocket Mandrel or Strokes Per Minute (of a positive-displacement pump)

     SPMT — Self-Propelled Modular Transporter

     SPOP — Spontaneous Potential Log

     SPP — Stand Pipe Pressure

     SPROF — Seismic Profile

     SPS — Subsea Production Systems

     SPT — Shallower Pool Test, Lahee classification

     SPWLA — Society of Petrophysicists and Well Log Analysts[14]

     SQL — Seismic Quicklook Log

     SR — Shear Rate

     SRD — Seismic Reference Datum, an imaginary horizontal surface at which TWT is assumed to be zero

     SREC — Seismic Record Log

     SRT — Site Receival Test

     SS — Subsea, as in a datum of depth, e.g. TVDSS (True Vertical Depth Subsea)

     SSCC — Sulphide Stress Corrosion Cracking

     SSCP -Subsea Cryogenic Pipeline

     SSCS — Subsea Control System

     SSD — Sub Sea Level depth (in Metres or Feet, positive value in downwards direction with respect to the Geoid)

     SSD — Sliding Sleeve Door

     SSG — Sidewall Sample Gun

     SSIV — Subsea Isolation Valve

     SSTV - Subsea Test Valve

     SSM — Subsea Manifolds

     SSMAR — Synthetic Seismic Marine Log

     SSPLR — Subsea Pig Launcher/Receiver

     SSSL — Supplementary Seismic Survey Licence (United Kingdom), a type of onshore licence

     SSSV — Sub-Surface Safety Valve

     SSTT — Subsea Test Tree

     SSU — Subsea Umbilicals

     SSV — Surface Safety Valve

     SSWI — Subsea Well Intervention

     STAB — Stabiliser

     STAGR — Static Gradient Survey Report

     STB — stock tank barrel

     STC — STC Log

     STFL — Steel Tube Fly Lead

     STGL — Stratigraphic Log

     STIMU — Stimulation Report

     STKPT — Stuck Point

     STL — STL Gamma Ray Log

     STL - Submerged Turret Loading

     STRAT — Stratigraphy, stratigraphic

     STRRE — Stratigraphy Report

     STOIIP — Stock Tank Oil Initially In Place

     STOP — Safety Training Observation Program

     STP — Submerged Turret Production

     STSH — String Shot

     STU — Steel Tube Umbilical

     SUML — Summarised Log

     SUMRE — Summary Report

     SUMST — Geological Summary Sheet

     SURF — Subsea/Umbilicals/Risers/Flowlines

     SURFR — Surface Sampling Report

     SURRE — Survey Report

     SURVL — Survey Chart Log

     SUT(A/B) — Subsea Umbilical Termination (Assembly/Box)

     SUTU — Subsea Umbilical Termination Unit

     SW — Salt Water

     SWD — Salt Water Disposal Well

     SWE — Senior Well Engineer

     SWHE — Spiral Wound Heat Exchanger

     SWOT — Strengths, Weaknesses, Opportunities and Threats

     SV — Sleeve Valve or Standing Valve

     SYNRE — Synthetic Seismic Report

     SYSEI — Synthetic Seismogram Log

     T

     T — well flowing to Tank

     TA — Temporarily Abandoned well

     TA — Top Assembly

     TAN — Total Acid Number

     TAC — Tubing Anchor

     TAGOGR — Thermally Assisted Gas/Oil Gravity Drainage

     TAPLI — Tape Listing

     TAPVE — Tape Verification

     TAR — True Amplitude Recovery

     TB — Tubing Puncher Log

     TBT — Through Bore Tree

     TCA — Total Corrosion Allowance

     TCI — Tunsgten Carbide Insert (a type of rollercone drillbit)

     TCF — Temporary Construction Facilities

     TCF — Trillion Cubic Feet(of gas)

     TCPD — Tubing-Conveyed Perforating Depth

     TCU — Thermal Combustion Unit

     TD — Target Depth

     TD — Total Depth (depth of the end of the well; also a verb, to reach the final depth, used as an acronym in this case)

     TDD — Total Depth (Driller)

     TDL — Total Depth (Logger)

     TDM — Touch Down Monitoring

     TDP — Touch Down Point

     TDS — Top Drive System

     TDS — Total Dissolved Solids

     TDT — TDT Log

     TDTCP — TDT CPI Log

     TDT GR — TDT Gamma Ray Casing Collar Locator Log

     TEFC — Totally Enclosed Fan Cooled

     TEG — Tri-Ethylene Glycol

     TEG — Thermal Electric Generator

     TELER — Teledrift Report

     TEMP — Temperature Log

     TFE — TotalFinaElf (obsolete; Now Total S.A.) major French multinational oil company

     TFL — Through Flow Line

     TFM — TaskForceMajella Research Project

     TGB — Temporary Guide Base

     TGOR — Total Gas Oil Ratio (GOR uncorrected for gas lift gas present in the production fluid)

     TH — Tubing Hanger

     THERM — Thermometer Log

     THP — Tubing Hanger Pressure (pressure in the production tubing as measured at the tubing hanger)

     THRT — Tubing Hanger Running Tool

     TIE — Tie In Log

     TIH — Trip Into Hole

     TIW — Texas Iron Works (pressure valve)

     TIEBK — Tieback Report

     TLI — Top of Logging Interval

     TLOG — Technical Log

     TMCM — Tranverse Mercator Central Meridian

     TMD — Total Measured Depth in a wellbore

     TNDT — Thermal Neutron Decay Time

     TNDTG — Thermal Neutron Decay Time/Gamma Ray Log

     TOC — Top Of Cement

     TOC — Total Organic Content/Carbon

     TOFD — Time of first data sample (on seismic trace)

     TOFS — Time of first surface sample (on seismic trace)

     TOH — Trip Out of Hole

     TOOH — Trip Out Of Hole

     TOL — Top Of Liner

     TORAN — Torque and Drag Analysis

     TPERF — Tool Performance

     TQM — Total Quality Management

     TRCFR — Total Recordable Case Frequency Rate

     TRT — Tree Running Tool

     TSA — Thermally Sprayed Aluminium

     TSI — Temporarily Shut In

     TR — Temporary Refuge

     TRA — Top Riser Assembly

     TRA — Tracer Log

     TRACL — Tractor Log

     TRD — Total Report Data

     TREAT — Treatment Report

     TREP — Test Report

     TRIP — Trip Condition Log

     TRSV — Tubing Retrievable Safety Valve

     TRSCSSV — Tubing Retrievable Surface Controlled Sub-Surface Valve

     TRSCSSSV — Tubing Retrievable Surface Controlled Sub-Surface Safety Valve

     TT — Torque Tool

     TT — Transit Time Log

     TTRD — Through Tubing Rotary Drilling

     TUM — Tracked Umbilical Machine

     TV/BIP — Ratio of Total Volume (ore and overburden) to Bitumen In Place

     TVBDF — True Vertical Depth Below Derrick Floor

     TVD — True Vertical Depth

     TVDPB — True Vertical Depth Playback Log

     TVDSS — True Vertical Depth Sub Sea

     TVELD — Time and Velocity to Depth

     TVRF — True Vertical Depth versus Repeat Formation Tester

     TWT — Two-Way Time (seismic)

     TWTTL — Two-Way Travel Time Log

     U

     UBHO — Universal Bottom Hole Orientation (sub)

     UBI — Ultrasonic Borehole Imager

     UBIRE — Ultrasonic Borehole Imager Report

     UCSU — Upstream Commissioning and Start-Up

     UFJ — Upper Flex Joint

     UGF — Universal Guide Frame

     UIC — Underground Injection Control

     UKCS — United Kingdom Continental Shelf

     UKOOA — United Kingdom Offshore Operators Association

     UKOOG — United Kingdom Onshore Operators Group

     ULCGR — Uncompressed LDC CNL Gamma Ray Log

     UMCA — Umbilical Midline Connection Assembly

     UMV — Upper Master Valve (from a Xmas tree)

     UPB — Unmanned Production Buoy

     UPR — Upper Pipe Ram

     URT — Universal Running Tool

     USGS — United States Geological Survey

     UTA — Umbilical Termination Assembly

     UTM — Universal Transverse Mercator

     UWI — Unique Well Identifier

     UWILD — Underwater Inspection in Lieu of Dry Docking

     V

     VDENL — Variation Density Log

     VDL — VDL Log (Variable Density Log)

     VDU — Vacuum Distillation Unit, used in processing bitumen

     VELL — Velocity Log

     VERAN — Verticality Analysis

     VERIF — Verification List

     VERLI — Verification Listing

     VERTK — Vertical Thickness

     VIR — Value Investment Ratio

     VISME — Viscosity Measurement

     VIV — Vortex induced Vibration

     VLP — Vertical Lift Performance

     VLS — Vertical Lay System

     VLTCS — Very Low Temperature Carbon Steel

     VO — Variation Order

     VOCs — Volatile Organic Compounds

     VOR — Variation Order Request

     VRR — Voidage Replacement Ratio

     VS — Vertical Section

     VSD — Variable Speed Drive

     VSP — Vertical Seismic Profile

     VSPRO — Vertical Seismic Profile

     VTDLL — Vertical Thickness Dual Laterolog

     VTFDC — Vertical Thickness FDC CNL Log

     VTISF — Vertical Thickness ISF Log

     VWL — Velocity Well Log

     VXT — Vertical Christmas Tree

     W

     W — Watt

     W/C — Water Cushion

     WABAN — Well Abandonment Report

     WAG — Water Alternating Gas (describes an injection well which alternates between water and gas injection)

     WALKS — Walkaway Seismic Profile

     WATAN — Water Analysis

     WAV3 — Amplitude (in Seismics)

     WAV4 — Two Way Travel Time (in Seismics)

     WAV5 — Compensate Amplitudes

     WAVF — Waveform Log

     WBM — Water-Based drilling Mud

     WC — Watercut / Wildcat well

     WE — Well Engineer

     WEG — Wireline Entry Guide

     WELDA — Well Data Report

     WELP — Well Log Plot

     WEQL — Well Equipment Layout

     WESTR — Well Status Record

     WESUR — Well Summary Report

     WF — Water Flooding

     WFAC — Waveform Acoustic Log

     WGEO — Well Geophone Report

     WGR — Water Gas Ratio

     WGFM — Wet Gas Flow Meter

     WGUNT — Water Gun Test

     Wh — White

     WH — Well History

     WHIG — Whitehouse Gauge

     WHM — Wellhead Maintenance

     WHP — Wellhead Pressure

     WHSIP - Wellhead Shut-In Pressure

     WI — Water Injection

     WI — Working Interest

     WIT — Water Investigation Tool

     WITS — Well Site Information Transfer System

     WIPSP — WIP Stock Packer

     WLC — Wireline Composite Log

     WLL — Wireline Logging

     WLSUM — Well Summary

     WLTS Well Log Tracking System

     WLTS — Well Log Transaction System

     WM — Wet Mate

     WHM — Wellhead Maintenance

     WHMIS — WorkPlace Hazardous Material Information Systems

     WHP — Wellhead Pressure

     WO — Well in Work Over

     WO/O — Waiting on Orders

     WOA — Well Operations Authorization

     WOB — Weight On Bit

     WOC — Wait on Cement

     WOC — Water Oil Contact (or Oil Water Contact)

     WOE — Well Operations Engineer (a key person of Well services)

     WOM — Wait(ing) on Material

     WOR — Water-Oil Ratio

     WORKO — Workover

     WOS — West of Shetland, oil province on the UKCS

     WOW — Wait(ing) On Weather

     WP — Well Proposal or Working Pressure

     WPC — Water Pollution Control

     WPLAN — Well Course Plan

     WPQ/S — Weld Procedure Qualification/Specification

     WPR — Well Prognosis Report

     WQ — A textural parameter used for CBVWE computations (Halliburton)

     WQCA — Water Quality Control Act

     WQCB — Water Quality Control Board

     WR — Wireline Retrievable (as in a WR Plug)

     WR — Wet Resistivity

     WRS — Well Report Sepia

     WRSCSSV — Wireline Retrievable Surface Controlled Sub-Surface Valve

     WSCL — Well Site Core Log

     WSE — Well Seismic Edit

     WSERE — Well Seismic Edit Report

     WSHT — Well Shoot

     WSL — Well Site Log

     WSO — Water Shut Off

     WSOG — Well Specific Operation Guidelines

     WSP — Well Seismic Profile

     WSR — Well Shoot Report

     WSS — Well Services Supervisor (leader of Well services at the wellsite)

     WSS — Working Spread Sheet (for logging)

     WSSAM — Well Site Sample

     WSSOF — WSS Offset Profile

     WSSUR — Well Seismic Survey Plot

     WSSVP — WSS VSP Raw Shots

     WSSVS — WSS VSP Stacks

     WST — Well Seismic Tool (checkshot)

     WSTL — Well Site Test Log

     WSU — Well Service Unit

     WT — Well Test

     WTI — West Texas Intermediate benchmark crude

     WUT — Water Up To

     WVS — Well Velocity Survey

     X

     XC — Cross-connection, cross correlation

     XL — or EXL, Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (1986) and the Sixth (1992)

     Xln — Crystalline (minerals)

     XLPE — Cross-linked Polyethylene

     XMAC — Cross-Multipole Array Acoustic log

     XMAC-E — XMAC Elite (Next generation of XMAC)

     XMRI — Extended Range Micro Imager (Halliburton)

     XMT/XT/HXT — XMas Tree (Christmas Tree, the valve assembly on a production well-head)

     XO — Cross-Over

     XOM — Exxon Mobil

     XOV — Cross-Over Valve

     XPERM — Matrix Permeability in the X-Direction

     XPHLOC — Crossplot Selection for XPHI

     XPOR — Crossplot Porosity

     XPT — Formation Pressure Test log (Schlumberger)

     XYC — XY Calliper Log (Halliburton)

     Y

     yd — yard

     yl — Holdup Factor

     YP — Yield Point

     yr — year

     Z

     Z — Depth, in the geosciences referring to the depth dimension in any x,y,z data.

     ZDENP — Density Log

     ZDL — Compensated Z-Densilog

     ZOI — Zone of Influence