【正文】 LVOT — Linear Valve Override ToolLT — Linear Time or Lag TimeLRP — Lower Riser PackageLP — Low PressureLOT — LeakOff TestLOGGN — Logging Whilst DrillingLMV — Lower Master Valve (on a Xmas tree)LKO — Lowest Known OilLITDE — Litho Density Quicklook LogLGS — Low (specific)Gravity SolidsLDTEP — LDT EPT Gamma Ray LogLCM — Lost Circulation MaterialLAOT — Linear Activation Override ToolKBG — Kelly Bushing Height above Ground LevelKOP — KickOff Point Directional DrillingKJU — JackUp drilling rigA。IWCF — International Well Control FederationITD — Internal Turret DisconnectableISFL — ISFLSS LogISF — ISF Sonic LogIPT — Internal Passive TurretIPAA — Independent Petroleum Association of AmericaINJEC — Injection Falloff LogINCRE — Incline ReportIMAG — Image Analysis ReportIJL — Injection LogIEL — Induction Electrical LogID — Inner or Internal Diameter (of a tubular ponent such as a casing)ICSS — Integrated Controls and Safety SystemIBC — Intermediate Bulk ContainerIHUET — Helicopter Underwater Escape TrainingHTM — Helideck Team MemberHs — Significant Wave HeightHPPS — HP Pressure LogHmax — Maximum Wave HeightHISC — Hydrogen induced stress crackingHHP — Hydraulic HorsepowerHEXT — Hex DiplogHDA — Helideck AssistantHC — HydrocarbonsHGTW — Gas To WireGS — Gas SupplierGRN — Gamma Ray Neutron LogGR — Ground Level (or Elevation //(also [GE or GRE])) or Gamma RayGPIT — Inclinometry Tool LogGOM — Gulf of MexicoGLR — Gas Liquid RatioGL — Gas LiftGEORE — Geological ReportGEOL — Geological Surveillance LogGEODY — GEO DYS LogGDT — Gas Down ToGCT — GCT LogGASAN — Gas Analysis ReportFWV — flow wing valve (also known as production wing valve on a xmas tree)FWHP — flowing wellhead pressureFTP — first tranche petroleumFSI — flawless startup initiativeFRARE — fracture reportFPLAN — field plan logFOSV — fullopening safety valveFMS — formation multiscan log。 effects analysisFLRA — fieldlevel risk assessmentFLOG — FLOG PHIX RHGX LogFLDF — Flying Lead Deployment FrameFIV — flowinduced vibrationFIT — fairing intervention toolFI(M) — free issue (materials)FH — fullhole tool jointFEWD — formation evaluation while drillingFDP — field development planFC — float collarFACHV — fourarm calliper logEXL — or XL, Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (1986) and the Sixth (1992)ETU — Electrical Test UnitESP — Electric Submersible PumpEPTNG — EPTNGT LogEPLPC — EPLPCDSGR LogEPCU — Electrical Power Conditioning UnitEOR — Enhanced Oil RecoveryENGPD — Engineering Porosity DataEMW — Equivalent Mud WeightEM — EMOP LogEHT — Electric Heat TraceEDR — Electronic Drilling RecorderECT — External Cantilevered Turret EngineersP。Eamp。E — ExplorationDWQL — dualwater quicklook log superseded by dBERR, which was then superseded by DECC)DSTSM — drillstem test summary reportDSTND — dualspace thermal neutron density logDSPT — crossplots logDS — Deviation survey, (also directional system)DRPG — drilling program reportDRI — drift logDPT — deeper pool test, Lahee classificationDPDV — dynamically positioned drilling vesselDOE — Department of Energy, United StatesDM dry mateDL — development license (United Kingdom), a type of onshore license issued before 1996DIRSU — directional survey reportDIPRM — dip removal logDIPBH — dipmeter borehole logDIM — directional inertia mechanismDILB — dualinduction BHC logDIBHC — DIS BHC logDH — drilling historyDF — Derrick floorDESFL — deep induction SFL logDELTA — deltaT logDDPT — drill data plot logDDBHC — DDBHC waveform logDC — drill collar(s)DAT — wellhead housing drillahead toolC。CYPRO — cyberproducts logCYBD — cyberbond logCUT — cutter logCTLF — coil tubing lift frameCSUG — Canadian Society for Unconventional GasCSR — Corporate Social ResponsibilityCSI — Combinable Seismic Imager (VSP) log (Schlumberger)CsF — Caesium formate (coincidentally also an acronym of the sole largescale supplier of caesium formate brine, cabot specialty fluids.)CRP — control riser platformCPICB — CPI coriband logCOROR — core orientation reportCORE — core reportCOMRE — pletion record logCOML — paction logCOC —Certificate of ConformanceCNS — Central North SeaCNFDP — CNFD true verticaldepth playback logCM — choke moduleCITHP — closedin tubing head pressure (tubing head pressure when the well is shut in)CIDL — chemical injection downhole lowerCHP — casing hanger pressure (pressure in an annulus as measured at the casing hanger)CHESM — contractor, health, environment and safety managementCGTL — pact gas to liquids (production equipment small enough to fit on a ship)CGEL — CG EL logCEME — cement evaluationCDRCL — pensated dual resistivity cal. logCDIS — CDI synthetic seismi