List of oil field acronyms

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Contents

The oil and gas industry uses many jargons, acronyms and abbreviations. Obviously, this list is not anywhere near exhaustive or definitive, but this should be the most comprehensive list anywhere.


Mostly coming from user contributions, it is contextual and is meant for indicative purposes only. It should not be relied upon for anything but general information.

#

  • 2D - Two dimensional (geophysics)
  • 2P - Proved and Probable Reserves
  • 3C - Three components seismic acquisition (x,y and z)
  • 3D - Three dimensional (geophysics)
  • 3DATW - 3 Dimension All The Way
  • 3P - Proved, Probable and Possible Reserves
  • 4D - Multiple Three dimensional's overlapping each other (geophysics)
  • 7P - Prior Preparation and Precaution Prevents Piss Poor Performance, also Prior Proper Planning Prevents Piss Poor Performance

A

  • A&D - Acquisition & Divestment
  • AADE - American Association of Drilling Engineers [1]
  • AAPG - American Association of Petroleum Geologists[2]
  • AAODC - American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)
  • AAR - After Action Review (What went right/wrong, dif next time)
  • AAV - Annulus Access Valve
  • ABAN - Abandonment, (also as AB)
  • ABCM - Activity Based Costing Model
  • AbEx - Abandonment Expense
  • ACHE - Air Cooled Heat Exchanger
  • ACOU - Acoustic
  • ACQ - Annual Contract Quantity (in reference to gas sales)
  • ACQU - Acquisition Log
  • ACV - Approved/Authorized Contract Value
  • AD - Assistant Driller
  • ADE - Asphaltene Deposition Envelop
  • ADROC - Advanced Rock Properties Report
  • ADN - Azimuthal Density Neutron (Schlumberger)
  • ADT - Applied Drilling Technology, ADT Log
  • AFC - Approved For Construction
  • AFE - Authorization for Expenditure, a process of submitting a business proposal to investors
  • AFLD - Annular Fluid Loss Device (ie Halliburton's Twin Flow tool)
  • AFP - Active Fire Protection
  • AFPR - Annual Field Perf Review
  • AGRU - Acid Gas Removal Unit
  • AH - Along hole
  • AHBDF - Along Hole (Depth) Below Derrick Floor
  • AHD - Along Hole Depth
  • AHV - Anchor Handling Vessel
  • AI - Accoustic Impedance
  • AI - Artificial Intellince
  • AIMS - Asset Integrity Management System
  • AIP - Annular Isolation Packer
  • AIRG - Airgun
  • AIRRE - Airgun Report
  • AIS - Annular Isolation System (Completions)
  • AIT - Array Induction Tool
  • AL - Appraisal Licence (United Kingdom), a type of onshore licence issued before 1996
  • AL - Artificial lift
  • AKO - Adjustable Kick Off
  • ALARP - As Low As Reasonably Practicable
  • ALC - Vertical Seismic Profile Acoustic Log Calibration Report
  • ALD - Azimuthal Litho Density (logging control)
  • ALR - Acoustic Log Report
  • aMDEA - activated Methyldiethanolamine
  • AMS - Auxiliary Measurement Service Log
  • AMSL - Above Mean Sea Level
  • AMV - Annulus Master Valve [3]
  • ANACO - Analysis of Core Logs Report
  • ANARE - Analysis Report
  • Anhy - Anhydrite
  • ANP - Agency National Petroleum for Brazil
  • ANSI - American National Standards Institute
  • AOB - Any Other Business
  • AOF - Absolute Open Flow
  • AOFP - Absolute Open Flow Potential
  • AOI - Area Of Interest
  • AoO - Area of Operation
  • AOP - Asset Open Plan
  • AOP - Asphaltene Onset Pressure
  • 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
  • APWD - Annular Pressure While Drilling
  • APS - Active Pipe Support
  • AR - Attraction & Recruitment (HR Dept)
  • ARC - Array Restistivity Compensated tool (LWD)
  • ARACL - Array Acoustic Log
  • ARESV - Analysis of Reservoir
  • ARI - Azimuthal Resistivity Image
  • ARPR - Annual Report of Petroleum Resources (Reserves)
  • ARRC - Array Acoustic Report
  • ART - Acid Response Test
  • ART - Actuator Running Tool
  • AS - Array Sonic Processing Log
  • ASA - Advanced Safety Auditing (Shell/BP system)
  • ASC - Affiliated Services Contract
  • ASD - Acoustic Sand Detection
  • ASI - ASI Log
  • ASME - American Society of Mechanical Engineers
  • ASP - Array Sonic Processing Report
  • ASP - Alkaline Surfactant Polymer
  • ASTM - American Society for Testing and Materials
  • ASCSSV - Annulus Surface Controlled Sub-Surface Valve [3]
  • ASV - Annular Safety Valve
  • ASV - Annular Sliding Valve
  • ATD - Application To Drill
  • AUV -Autonomous 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
  • AWV - Annulus Wing Valve
  • Azi - Azimuth

B

  • BOSIET - Basic Offshore Safety Induction and Emergency Training
  • B or b - prefix denoting a number in billions
  • B2B - Back to Basics
  • BAA - Business Area Alignment
  • bbl - barrel
  • BBSM - Behavioural Based Safety Management
  • Bcf - billion cubic feet (of natural gas)
  • Bcfe - billion cubic feet (of natural gas equivalent)
  • BCS - Ballast Control Supervisor
  • BD - Blow Down
  • BDF - Below Derrick Floor
  • BDL - Bit Data Log
  • BF - Boundary Fault
  • BfD - Basis for Design (Facility Doc)
  • BFI - Business Frames Implementation
  • Bg - Gas Formation Volume Factor
  • BGG - Back Ground Gas (reading in mud)
  • BGL - Below ground level (used as a datum for depths in a well)
  • BGL - Borehole Geometry Log
  • 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
  • BHI - Baker Hughes Inteq
  • BHI - Baker Hughes International
  • BHI - Bore Hole Image (logging tool)
  • BHL - Borehole Log
  • BHN - Brunel Hardness Number
  • BHP - Bottom Hole Pressure
  • BHPG - Bottom Hole Pressure Gauge
  • BHPRP - Borehole Pressure Report
  • BHS - Bore Hole Stability
  • BHSRE - Bottom Hole Sampling Report
  • BHSS - Borehole Seismic Survey
  • BHT - Bottom Hole Temperature
  • 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
  • BLC - Big Lever Club (Contracting)
  • BLI - Bottom of Logging Interval
  • BML - Below Mud Line (Subsea measurement)
  • BMOP - Build Model On Paper
  • BMSL - Below Mean Sea Level
  • BO - Back Off Log
  • BO - Break Out
  • Bo - Oil Formation Volume Factor in Rb/STB
  • BOB - Back on bottom
  • BODF - Below Original Drill Floor
  • boe - barrel(s) of oil equivalent
  • boed - barrel(s) of oil equivalent per day
  • BOEMRE - Bureau of Ocean Energy Management, Regulation and Enforcement
  • boepd - barrel(s) of oil equivalent per day
  • BOL - Back On Line
  • BOM - Bill of Materials
  • BOM - Business Opportunity Manager
  • BOP - Blowout Preventer
  • BOP - Bottom of Pipe
  • bopd - barrel(s) of oil per day
  • BOREH - Borehole Seismic Analysis
  • BOS - Bottom Of Screen
  • BOT - Baker Oil Tools
  • BOTHL - Bottom Hole Locator Log
  • BOTTO - Bottom Hole Pressure/Temperature Report
  • BP - Before Present (age)
  • BP - Best Practice
  • BP - Bridge Plug
  • BP - British Petroleum
  • BP - Business Plan
  • bpd - barrels per day
  • BPFL - Borehole Profile Log
  • BPH - Barrels Per Hour
  • BPLUG - Baker Plug
  • BPM - Barrels Per Minute
  • BPV - Back Pressure Valve (goes on the end of coiled tubing a drill pipe tool strings to prevent fluid flow in the wrong direction)
  • BPWA - Beam Pump Well Analyzer (Dyno & FL)
  • BQL - B/QL Log
  • BRPLG - Bridge Plug Log
  • BRT - Below Rotary Table (used as a datum for depths in a well)
  • BS - Bit Size
  • BS&W - BSW - Base/Bottom Sediments & Water
  • BSCF - Billion Standard Cubic Feet
  • BSEE - US: Bureau of Safety and Environmental Enforcement (Formerly the MMS)
  • BSP - Brunei Shell Petroleum Company Sendirian Berhad
  • BSPD - Barrels Steam Per Day
  • BSR - Blind Shear Rams (Blowout Preventer)
  • BSR - Bottom Simulating Reflector (seismic)
  • BTC - Best Technical Case
  • BTEX - Benzene, Toluene, Ethyl-Benzene and Xylene
  • BTHF - Below Tubing Head Flange
  • BTHL - Bottom Hole Log
  • BTM - Business Technology Mapping
  • BTO/C - Break to Open/Close (valve torque)
  • BTU - British Thermal Units
  • BU - Bottoms Up
  • BUL - Bottom Up Lag
  • BUR - Build Up Rate (drilling)
  • BVO - Ball Valve Operator
  • BVS - Block Valve isolation Station (for main PL's)
  • Bw - Water Formation Volume Factor
  • bwd - barrels of water per day (often used in reference to oil production)
  • BWIPD - Barrels Water Injection Per Day
  • bwpd - barrels of water per day

C

  • C&C - Circulate & Condition (ie mud)
  • C&E - Well completion and equipment cost
  • C&K - Choke & Kill (BOPs)
  • C&P - Cased & Perfed (completion type)
  • C&S - Cased and Suspended
  • C/B - Crew Boat
  • C/W - Complete With
  • C1 - Methane
  • C2 - Ethane
  • C3 - Propane
  • C4 - Butane
  • C6 - Hexanes
  • C7+ - Heavy Hydrocarbon Components
  • CA - Core Analysis Log
  • CALD - Caliper interpreted from Density
  • CALI - Caliper Log
  • CALOG - Circumferential Acoustic Log
  • CALVE - Calibrated Velocity Log Data
  • CAM - Contract Accountable Manager
  • CAO - Computer Aided Operations
  • CAPP - Canadian Association of Petroleum Producers
  • CAR - Company Appointed Representative
  • CAR - Corrective Action Request
  • CART - Cam Actuated Running Tool (Housing Running Tool)
  • CAS - Casing Log
  • CAST - Circumfrential Accoustic Tool (HES)
  • CATe - Core Asset Team
  • CATT - Capabilities & Technology Team
  • CB - Core Barrel
  • CB - Crew Boat
  • CBD - Competence Based Development
  • CBIL - CBIL Log
  • CBL - Cement Bond Log (measurement of casing cement integrity)
  • CBL - Cement Bond Log
  • CBM - Choke Bridge Module - XT Choke
  • CBM - Coal Bed Methane
  • CBM - Conventional Buoy Mooring
  • CBP - Composite Bridge Plug
  • CBU - Circulate Bottoms Up
  • CBW - Clay Bound Water
  • CC - Carbon Copy
  • CCA - Conventional Core Analysis
  • CCF - Cost Carry Forward
  • 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)
  • CCLP - Casing Collar Locator Perforation
  • CCLTP - Casing Collar Locator Through Tubing Plug
  • CCR - Change Control Request
  • CCRT - Coct Control Reporting Tool (SAP Report)
  • CCS - Carbon Capture & Sequestration
  • CCT - Closed Chamber Test
  • CD - Chart Datum
  • CD - Core Description
  • CDATA - Core Data
  • CDIS - CDI Synthetic Seismic Log
  • CDP - Common Depth Point (geophysics)
  • CDP - Comprehensive Drilling Plan
  • CDRCL - Compensated Dual Resistivity Cal. Log
  • CDRT - Completion Design Review Team
  • CDS - Completion Data System
  • CDU - Control Distribution Unit
  • CDV - Critical Development Volume
  • CE - CE Log
  • CE - Civil Engineer
  • CE - Completion Engineer
  • CE - Corrosion Engineer
  • CECAN - CEC Analysis
  • CEME - Cement Evaluation
  • CEP - Current Estimated Potential
  • CERE - Cement Remedial Log
  • CET - Cement Evaluation Tool
  • CF - Completion Fluid
  • CFA - Compositional Fluid Analizer
  • CFD - Computational Fluid Dynamics
  • CG - Contents Guideline
  • CGEL - CG EL Log
  • CGL - Core Gamma Log
  • CGOC - Current Gas Oil Contact
  • CGPH - Core Graph Log
  • CGR - Condensate gas ratio
  • CGTL - Compact Gas to liquids (production equipment small enough to fit on a ship)
  • CGWC - Current Gas Water Contact
  • CH - Cased Hole
  • CHCNC - CHCNC Gamma Ray Casing Collar Locator
  • CHDTP - Caliper HDT Playback Log
  • CHECK - Checkshot and Acoustic Calibration Report
  • CHESM - Contractor, Health, Environment and Safety Management
  • CHFP - Cased Hole Frac Pack
  • CHH - Casing Head Hanger
  • 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
  • CI - Chemical Injection
  • CI - Competitive Intelligence
  • CI - Corrosion Inhibiter
  • CIBP - Cast Iron Bridge Plug
  • CICHP - Closed In Casing Head Pressure
  • CIDPP - Closed In Drill Pipe Pressure
  • CIIP - Condensate Initially In Place (Gas Cap/Res)
  • CILD - Conduction Log
  • CIM - Chemical Injection Mandrel/Manifold
  • CIMV - Chemical Injection Metering Valve
  • CIN - Common Interest Network (system on Shell Global Networks)
  • CIRP - Schlumberger's Completion Insertion and Retrieval under Pressure, (snap lock guns)
  • CITHP - Closed In Tubing Head Pressure (tubing head pressure when the well is shut in)
  • CIV - Chemical Injection Valve
  • CIW - Cameron Iron Works
  • CIW - Concept Identific
  • CL - Core Log
  • CLG - Core Log and Graph
  • Clyst - Claystone
  • CM - Choke Module
  • Cm - Compaction Coefficient
  • CMM - Corporate Management Manual
  • CMP - Common Midpoint (geophysics)
  • CMR - Combinable Magnetic Resonance (Schlumberger NMR type logging tool)
  • CMR - CMR Log
  • CMS - Corporate Management System
  • Cmt - Cement
  • CNCF - Field Normalized Compensated Neutron Porosity
  • CND - Compensated Neutron Density
  • CNFDP - CNFD True Vertical Depth Playback Log
  • CNG - Compressed Natural Gas www.coselle.com
  • CNGR - Compensated Neutron Gamma Ray Log
  • CNL - Compensated Neutron Log
  • CNLFD - CNL/FDC Log
  • CNS - Central North Sea
  • CNSOPB - Canada Nova Scotia Offshore Petroleum Board
  • CO - Change Out (ex. from rod equipment to casing equipment)
  • COB - Close Of Business
  • COE - Centre of Excellence
  • 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
  • COWC - Current Oil Water Contact
  • COXY - Carbon/Oxygen Log
  • CP - Cathodic Protection
  • cP - Centipoise
  • CP - Cloud Point
  • CPEMA - Concurrent Production Eng Maintenance Activities
  • CPF - Central Processing Facility
  • CPI - CPI Log (computer processed interpretation)
  • CPI separator - Corrugated plate interceptor
  • CPICB - CPI Coriband Log
  • CPIRE - CPI Report
  • CPRA - Concurrent Production & Rig Activities (SIMOPS)
  • CPT - Compliant Piled Tower (Deepwater)
  • Cr - Chrome
  • CRA - Corrosion Resistant Alloy (material)
  • CRET - Cement Retainer Setting Log
  • CRI - Cuttings Re-Injection
  • CRP - Common/Central Reference Point (Subsea Survey)
  • CRP - Control Riser Platform
  • CRT - Clamp Replacement Tool
  • CSB - Conventional Sample Bottle (testing)
  • CSE - Chemical Systems Engineering
  • CSE - Control Systems Engineering
  • CsF - Caesium Formate (coincidentally also an acronym of the sole large-scale supplier of caesium formate brine, Cabot Specialty Fluids.)
  • CSF - Critical Success Factors
  • CSG – Casing
  • CSHN - Cased Hole Neutron Log
  • CSI - CSI Log
  • CSIA - Compound Specific Isotope Analysis
  • CSID - Casing Size Internal Diameter
  • CSMT - Core Sampler Tester Log
  • CSO - Capital Staff Overhead
  • CSPG - Canadian Society of Petroleum Geologists
  • CSS - Check Shot Surveys
  • CSS - Cyclic Steam Stimulation
  • cSt - Centi-stokes (Viscocity)
  • CST - CST Log
  • CSTAK - Core Sample Taken Log
  • CSTRE - CST Report
  • CSUG - Canadian Society for Unconventional Gas
  • CT - Coiled Tubing
  • CTC - Contracting Tender Committee
  • CTCO - Coiled Tubing Clean Out
  • CTD - Coiled Tubing Drilling
  • CTE - Center Technical Excellence
  • CTFV - Critical Transfer Fluid Velocity
  • CTLF - Coiled Tubing Lift Frame
  • CTOD - Crack Tip Opening Displacement
  • CTR - Cost Time Resource
  • CTRAC - Cement Tracer Log
  • CTU - Coiled Tubing Unit
  • CUP - Clean Up Pit
  • CUT - Cutter Log
  • CUTTD - Cuttings Description Report
  • CVDC - Cost vs Depth Curve (drilling)
  • CVX - Chevron
  • CWDT - Critical Wax Deposition Temp
  • CWOP - Coring the Well On Paper
  • 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 - Depth
  • D&C - Drilling and Completions
  • DA - Data Aquisition
  • DA - Drill Ahead
  • DAB - Decision Advisory Board
  • DAC - Dipole Acoustic Log
  • DACA - Data Aquisition & Control Architecture (Smart)
  • DAPC - Dynamic Annular Pressure Control
  • DARCI - Darci Log
  • DAT - Wellhead Housing Drill-Ahead Tool
  • DAZD - Dip and Azimuth Display
  • DBB - Double Block & Bleed
  • DBE - Detailed Budget Exercise
  • DC - Drill Centre
  • DC - Drill Collar(s)
  • DCA - Development Contract Area
  • DCAF - Discipline Controls & Assurance Framework
  • DCAL - Dual Caliper Log
  • DCF - Discounted Cash Flow (economics)
  • DCM - Dielectric Constant Measurement
  • DCQ - Daily Contracted Quantity (Gas supply contract)
  • DCS - Distributes Control System
  • DD - Directional Driller or Directional Drilling
  • DDBHC - DDBHC Waveform Log
  • DDET - Depth Determination Log
  • DDI - Direction Difficulty Index
  • DDM - Derrick Drilling Machine (a.k.a. Top Drive)
  • DDNL - Dual Det. Neutron Life Log
  • DDPT - Drill Data Plot Log
  • DDV - Downhole Deployable Valve
  • DDWT - Deliberately Disturbed Well Test
  • DE - Decision Executive
  • DE - Drilling Engineer
  • DECC - Department for Energy and Climate Change (United Kingdom)
  • DECT - Decay Time
  • DEFSU - Definitive Survey Report
  • DEGC - Degree Celcius
  • DEGF - Degree Fahrenheit
  • DELTA - Delta-T Log
  • DEM - Drilling Engineering Manual
  • DEN - Density Log
  • DEPAN - Deposit Analysis Report
  • DEPC - Depth Control Log
  • DES - Derrick Equipment Set
  • DESFL - Deep Induction SFL Log
  • DEV - Development Well, Lahee classification
  • DEVLG - Deviation Log
  • DEXP - D-Exponent Log
  • DF - Derrick Floor
  • DFA - Downhole Fluid Analysis
  • DFE(ACD) - Drill Floor Elevation (Admiralty Chart Datum)
  • DFIT - Diagnostic Fracture Injection Test
  • DFR - Drilling Factual Report
  • DG - Decision Gate
  • DGP - Dynamic Geohistory Plot (3D Technique)[4]
  • DH - Drilling History
  • DHC - Depositional History Curve
  • DHC - Down Hole Camera (Eline)
  • DHI - Direct Hydrocarbon Imaging
  • DHPT - Down Hole Pressure Temperature
  • DHPTT - Downhole Pressure/Temperature Transducer
  • DHSIT - Down Hole Shut In Tool (for pressure surveys)
  • DHSV - Downhole Safety Valve
  • 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
  • DIV - Downhole Isolation Valve
  • DL - Development Licence (United Kingdom), a type of onshore licence issued before 1996
  • DLA - Development Lease Area
  • DLIST - Dip List Log
  • DLL - Dual Laterolog
  • DLS - Dog-Leg Severity (directional drilling)
  • DMA - Dead Man Anchor
  • DNHO - Downhole Logging
  • DOA - Delegation of Authority
  • DoC - Declaration of Commerciality
  • DOD - Dead Oil Displacement (Subsea)
  • DODC - Development Operations Coordination Document (US Govt GoM Well Permit applic form)
  • DODI - Diamond Offshore Drilling company
  • DOE - Department of Energy, United States
  • DOWRE - Downhole Report
  • DP - Drill Pipe
  • DP - Dynamic Positioning
  • DP - Development Planner
  • DPDV - Dynamically Positioned Drilling Vessel
  • DPL - Dual Propagation Log
  • DPLD - Differential Pressure Levitated Device (or Vehicle)
  • DPM - Drill Pipe Measurement
  • DPRES - Dual Propagation Resistivity Log
  • DPT - Deeper Pool Test, Lahee classification
  • DQLC - Dipmeter Quality Control Log
  • DR - Drilling Report
  • DR - Dummy Run Log
  • DRB - Decision Review Board
  • DRI - Drift Log
  • DRLCT - Drilling Chart
  • DRLOG - Drilling Log
  • DRLPR - Drilling Proposal/Prog. Report
  • DRPG - Drilling Program Report
  • DRPRS - Drilling Pressure
  • DRREP - Drilling Report
  • DRYRE - Drying Report
  • DS - Deviation Survey, (also as Directional System)
  • DS - Downstream
  • DSCAN - DSC Analysis Report
  • DSE - Driling Specific Energy
  • DSFR - Developed Scope For Recovery
  • DSI - Dipole Shear Imager
  • 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
  • DT - Downtime
  • DTA - Decision Tree Analysis
  • DTC - Delta T Compressional (log).
  • DTI - Department of Trade and Industry (United Kingdom) (obsolete; superseded by dBERR, which was then superseded by DECC)
  • DtL - Drilling The Limit
  • DTPB - CNT True Vertical Depth Playback Log
  • DTS - Distributed Temperature Sensor (Smart completion)
  • DTT - Depth To Time
  • DUR - Developed Ultimate Recovery
  • DW - Deepwater
  • DWD - Deep Water Development
  • DWOP - Drilling Well on Paper (a theoretical exercise conducted involving the Service provider managers)
  • DWQL - Dual Water Quicklook Log
  • DWS – Drawworks
  • DWSS - Dig Well Seismic Surface Log
  • DXC - DXC Pressure Pilot Report

E

  • E - Excellent
  • E&A - Exploration and Appraisal
  • E&D - Exploration & Development
  • E&P - Exploration and Production
  • EAGE - European Association of Geoscientists & Engineers[5]
  • ECC - Emergency Control Center
  • ECCN - Export Control and Compliance Number
  • ECD - Equivalent Circulating Density
  • ECP - External Casing Packer
  • ECR - Emergency Control Room
  • ECRD - Electrically Controlled Release Tool
  • ED - Experimental Design (statistical reservoir modelling analysis method)
  • EDP - Emergency Disconnect Package (Subsea tree)
  • EDP - Exploration Drilling Program Report
  • EDP - Extended Draft Platform (Technip offshore platform design)
  • EDR - Exploration Drilling Report
  • EDS - Emergency Disconnect Sequence (Offshore rig)
  • EF - Equipment Failure
  • EFL - Electrical Flying Lead
  • EFR - Engineering Factual Report
  • EGLV - Electric Gas Lift Valve
  • EGMBE - Ethylene Glycol Mono-Butyl Ether
  • EGP - External Gravel Pack
  • EHC - Equivalent Hydrocarbon Column
  • EIA - Environmental Impact Assessment
  • EIS - Expandable Isolation Sleeve
  • EL - Electric Log
  • ELT - Economic Limit Test
  • EM - EMOP Log
  • EMG - Equivalent Mud Gradient
  • EMMG - Equivalent Mud ??? Gradient
  • EMMS - Electronic Magnetic Multishot Survey
  • EMOP - EMOP Well Site Processing Log
  • EMP - Electromagnetic Propagation Log
  • EMS - Environmental Management System
  • EMV - Estimated Monetary Value
  • 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
  • EOA - End Of Assembly (Completion)
  • EOB - End Of Build (Drilling)
  • EOC - Equivalent Oil Column
  • EOFL - End of Field Life
  • EOR - Enhanced Oil Recovery
  • EOS - Equation of State (normally Peng Robinson or SRK)
  • EOT - End of Tubing
  • EOW - End Of Well Report
  • EOWR - End Of Well Report
  • EPA - Exploration & Production - Asia
  • EPB - Exploration & Production - Business
  • EPBM - Explor & Prod Business Management
  • EPC - Engineer Procure Construct
  • EPCC - Engineer Procure Construct Commission
  • EPCU - Electrical Power Conditioning Unit
  • EPE - Exploration & Production - Europe
  • EPG - Exploration & Production - Africa
  • EPICO - Engineer Procure Install Construct Operate
  • EPIDORIS - Exploration and Production Integrated Drilling Operations and Reservoir Information System
  • EPIRB - Emergency Position Indicating Radio Beacon
  • EPL - EPL Log
  • EPLF - E&P Leadership Forum
  • EPLG - Epilog
  • EPLPC - EPL-PCD-SGR Log
  • EPLT - E&P Leadership Team
  • EPM - Exploration & Production - Middle East
  • EPR - Exploration & Production - Russia
  • EPT - EPT Log
  • EPTNG - EPT-NGT Log
  • EPT-P - Exploration & Production Technology - Projects; a.k.a. EPP
  • EPT-S - Exploration & Production Technology - Solutions; a.k.a. EPS
  • EPW - Exploration & Production - America
  • EPX-N - Exploration & Production - New Business
  • EPX-RTD - Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them.
  • ER - Emergency Reponse
  • ER(D) - Extended Reach (Drilling)
  • ERD - Extended Reach Drilling
  • ERT - Emergency Response Training
  • ESAR - Estimating & Schedule Assurance Review
  • ESD - Emergency Shut-Down
  • ESD - Equivalent Static Density
  • ESHIA - Envinmental Safety Health Impact Assessment
  • ESP - Electric Submersible Pump
  • ESPCP - Electric Submersible Progressive Cavity Pump
  • ESS - Expandable Sand Screen
  • ETAP - Eastern Trough Area Project
  • ETTD - Electromagnetic Thickness Test
  • ETU - Electrical Test Unit
  • EUR - Estimated Ultimate Recovery
  • EVARE - Evaluation Report
  • EVP - Employee Value Proposition
  • EWMS - Eng Work Management System
  • EWR - End Of Well Report
  • EWT - Extended Well Test
  • 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

  • FA - Flow Assurance
  • FAC - Factual Report
  • FACHV - Four Arm Caliper Log
  • FANAL - Formation Analysis Sheet Log
  • FAT - Factory Acceptance Testing
  • FBE - Fusion Bonded Epoxy
  • FBHP - Flowing Bottom Hole Pressure
  • FBIV - Full Bore Isolation Valve (remote pressure activated bottom of tubing flapper valve)
  • FBS - Full Bore Spinner (Prod Logging)
  • FBU - Flowing/Build UP (Pressure Survey)
  • FC - Float Collar
  • FCD - Fracture Conductivity (dimensionless)
  • FCIBHP - Final Closed In Bottom Hole Pressure
  • FCP - Final circulating pressure
  • FCV - Flow Control Valve
  • FCVE - F Curve Log
  • FDC - Formation Density Log
  • FDO - Field Development Options
  • FDP - Field Development Plan
  • FDPSO - Floating Drilling Production Storage Offloading host
  • FDS - Functional Design Specification
  • FE - Formation Evaluation
  • FEAST - Fluid Evaluation And Sampling Technologies
  • FEED - Front End Engineering and Design
  • FEL - Front End Loading (AFEs & Projects)
  • FEM - Finite Element Analysis
  • FEPD - Front End Project Delivery
  • FER - Field Equipment Room
  • FESA - Front End Studies Americas
  • FET - Formation Evaluation Test
  • FEWD - Formation Evaluation While Drilling
  • FF - Full Field (reservoir model)
  • FFAC - Formation Factor Log
  • FFM - Full Field Model
  • FFP - Fit for purpose (what use is a BMW in the desert where no road, what use is a camel on a freeway?)
  • FG - Frac Gradient
  • FGEOL - Final Geological Report
  • FGIIP - Free Gas Initially In Place
  • FH - Full Hole tool joint
  • FI - Final Inspection
  • FI(M) - Free Issue (Materials)
  • FID - Final Investment Decision
  • FIL - FIL Log
  • FINST - Final Stratigraphic Report
  • FINTP - Formation Interpretation
  • FIP - Flow Induced Pulsation
  • FIS - Fluid Inclusion Stratigraphy (crush cuttings to get HC data
  • FIST - Fully Integrated Sand (prediction) Tool
  • FIT - Fluid Identification Test
  • FIT - Formation Integrity Test
  • FIT - Formation Intervil Tester
  • FIV - Formation Isolation Valve
  • FIV - Flow Induced Vibration
  • FL - F Log
  • FL - Fluid Loss
  • FL - Flying Lead (Subsea kit)
  • FLA - Four Letter Acronyms
  • FLC - Fluid Loss Control
  • FLD - Fluid Loss Device (Completion valve)
  • FLET - Flowline End Termination (AKA PLET)
  • FLIV - FlowLine Injection Valve
  • FLIV - Flowline Isolation Valve
  • FLNG - Floating Liquid Natural Gas
  • FLOG - FLOG PHIX RHGX Log
  • FLOPR - Flow Profile Report
  • FLOT - Flying Lead Orientation Tool
  • FLOW - Flow & Buildup Test Report
  • FLRA - Field Level Risk Assessment
  • FLS - Fluid Sample
  • FLSO - Floating ?
  • 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 - Facility Maintenance Specials (budget)
  • FMS - Formation Multi Scan log; Formation Micro Scan log
  • FMTAN - FMT Analysis Report
  • FO - Fibre Optic
  • FO - First Oil
  • FOB - Free On Board
  • FOD - First Oil Date
  • FOET - Further Offshore Emergency Training
  • FOSV - Full Opening Safety Valve
  • FP - Frac Pack (Sand Control)
  • FPDM - Fracture Potential and Domain Modelling/Mapping [7][8]
  • FPI - Final Petrophysical Interpretation
  • FPIT - Free Point Indicator Tool (electric line)
  • 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
  • FRC - Fire Retardant Clothing (Treated cotton)
  • FRD - Focused Results Delivery
  • FRES - Final Reserve Report
  • FRT - Formation Response Test
  • FS - Fail Safe (as in FS valve)
  • FS - Float Shoe
  • FSB - Flowline Support Base
  • FSI - Flawless Start-up Initiative
  • FSO - Floating Storage Offloading vessel
  • FSR - Facilities Status Report
  • FST - Formation Strength Test
  • FT - Formation Tester Log
  • FT - Function Test
  • FTA - Flow Termination Assembly
  • ftBDF - feet Below Drill Floor
  • ftBTHF - feet Below Tubing Head Flange
  • FTE - Full Time Equivalent (staffing)
  • FTHP - Flowing Tubing Head Pressure
  • FTL - Fluid Transfer Line
  • FTM - Fire-team Member
  • FTRE - Formation Testing Report
  • FULDI - Full Diameter Study Report
  • FV - Funnel Viscosity or Float Valve
  • FVF - Formation Volume Factor
  • FWHP - Flowing Well Head Pressure
  • FWKO - Free water knock out
  • FWL - Free water level
  • FWP - Flowing Wellhead Pressure
  • FWR - Final Well Report
  • FWT - Flowing Wellhead Temperature
  • FWV - Flow Wing Valve (also known as Production Wing Valve on a Xmas tree)

G

  • G/C - Gas Condensate
  • GA - General Arrangement plumbing drawings
  • GAP - Gravity Actuated Pipe/Pipeline
  • GAPI - Gamma Ray using API units
  • GAS - Gas Log
  • GASAN - Gas Analysis Report
  • GAT - Geohazard Assessment Team
  • GBI - Group Basic Index
  • GBS - Gravity Based Structure
  • GBT - Gravity Base Tank
  • GC - Gas Chromatograph (hydrocarbon analysis)
  • GC - Gauge Cutter
  • GCLOG - Graphic Core Log
  • GCT - GCT Log
  • GDAT - Geodetic Datum
  • GDIP - Geodip Log
  • GDPT - Global Deepwater Planning Tool
  • 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 Prog. Report
  • GEORE - Geological Report
  • GFPSO - Global Floating Production Storage and Offloading
  • GGRG - Gauge Ring
  • GHG - Green House Gas
  • gHSEr - getting Health Safety & Environment right (BP expression)
  • GI - Gas Injector or Injection
  • GIGO - Garbage In Garbage Out
  • GIH - Going In Hole
  • GIIP - Gas Initially In Place
  • GIP - Group Investment Proposal (Shell term)
  • GIS - Geographic Information System(s)
  • GIT - Global Implementation Team
  • GL - Gas Lift or Ground Level
  • GLE - Ground Level Elevation (generally in meters 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 -
  • GMS - Gyro Multi Shot
  • GOC - Gas Oil Contact
  • GOGD - Gas Oil Gravity Drainage
  • GOM - Gulf of Mexico
  • GOP - Geological Operations Report
  • GOR - Gas Oil Ratio
  • GOSP - Gas/Oil Separation Plant
  • Gp - cumulative Gas production
  • GP - Gas & Power
  • GP - Gravel Pack
  • GPA - Goals & Performance Appraisal (Shell HR form)
  • GPIT - Inclinometry Tool Log
  • GPLT - Geol Plot Log
  • GPSL - Geo Pressure Log
  • GR - Ground Level (or Elevation //(also [GE or GRE]))
  • GR - Gamma Ray log
  • GRAD - Gradiometer Log
  • GRE - Glass Reinforced Epoxy (Fibreglass)
  • GRE - Ground Elevation (also [GR or GE])
  • GRLOG - Grapholog
  • GRN - Gamma Ray Neutron Log
  • GRP - Glass Reinforced Plastic
  • GRSVY - Gradient Survey Log
  • GRV - Gross Rock Volume (that is HC saturated, normally in billion m3)
  • GS - Gel Strength
  • GS - Gas Supplier we
  • GS - GeoScience
  • GSD - Grain Size Distribution (reservoir material, for sand control)
  • GST - Gamma-ray Spectroscopy Tool
  • Gst - Grainstone, can be from carbonates
  • GST - GST Log
  • GTC - Glopbal Technical Consultant
  • GTL - Gas to liquids
  • GTP - Global Tech Partner (Shell HQ depts, ie EPT-S, EPT-W)
  • GTW - Gas To Wire
  • GUF - Gaslift Utilization Factor Total Gas/Net Oil
  • GUN - Gun Set Log
  • GUT - Gas Up To
  • GWC - Gas-Water Contact
  • GWD - Gyro While Drilling (drilling BHA tool)
  • GWDP - Global Well Delivery Process
  • GWREP - Geo Well Report

H

  • H - net reservoir height
  • H2S - Hydrogen Sulfide
  • HAR - Hazard Analysis Review
  • HAZID - Hazard Identification (meeting)
  • HAZIO - Hazard and Operability Analysis
  • HAZOP - Hazardous Operation
  • HC - Hydrocarbons
  • HC - High Case
  • HCAL - HRCC Caliper (in Logs)(in Inches)
  • HCCS - Horizontal Clamp Connection System
  • HCLS - Heave Compensating Lift/Landing System (for subsea tree deployment)
  • HCM - Horizontal Connection Module. To connect the Xmas Tree to the Manifold
  • HCPV - Hydrocarbon Pore Volume
  • HCR - High Closing Ratio valve
  • HDA - Helideck Assistant
  • HDM - Hydraulic Distribution Manifold (Subsea kit)
  • HDPE - High Density Polyethelene
  • HDT - High Resolution Dipmeter Log
  • HDT - Hydrate Disassociation Temp
  • HEMP - Hazards & Effects Management Process
  • HESP - Horizontal Electric Submersible Pump (surface pump)
  • HEXT - Hex Diplog
  • HFE - Human Factors Engineering
  • HFL - Hydraulic Flying Lead
  • HFPT - Hydrocarbon Field Planning Tool
  • HFT - Hydraulic Fracture Test (Drilling)
  • HGOR - High Gas Oil Ratio
  • HGS - High (specific-)Gravity Solids
  • HHP - High High Pressure
  • HHP - Hydraulic Horse Power ( - P*Q/1714, where P in psi & Q GPM)
  • HIPPS - High Integrity Pressure Protection System
  • HISC - Hydrogen induced stress cracking
  • HIT - Hydraulic Impedance Test
  • HL - Hook Load
  • HLO - Heavy Load-out (Facility)
  • HLO (job role/ training course) - Helicopter Landing Officer
  • HM - History Match
  • Hmax - Maximum Wave Height
  • HOP - Hang Off Point/Profile (ie liner)
  • HP - High Pressure
  • HP - Hydrostatic Pressure
  • HPGAG - High Pressure Gauge
  • HPHT - High Pressure High Temperature (same as HTHP)
  • HPPS - HP Pressure Log
  • HPU - High Pressure Unit
  • HPU - Hydraulic Power Unit
  • HPWBM - High Performance Water Base Mud
  • HRA - Health Risk Assessment
  • HRCC - HCAl of Caliper (in Inches)
  • HRSS - High Resolution Sequence Stratigraphy
  • Hs - Significant Wave Height
  • HSA - Hydrocarbon Sale Agreement
  • HSD - high shot density
  • HSE - Health Safety & Environment
  • HSE - Health, Safety and Environment or Health & Safety Executive (United Kingdom)
  • HSES - Health Safety Environment & Security
  • HSESD - Health Safety Environment & Sustainable Development
  • HSSE - Health Safety Security & Environment
  • HST - High Stand (Geologic deposition)
  • HTHP - High Temperature High Pressure (same as HPHT)
  • HTHRT - Hydraulic Tubing Hanger Running Tool (subsea wells)
  • HTM - Heideck Team Member
  • HUC - Hook Up ? (offshore)
  • HUD - Hold Up Depth
  • HUET - Helicopter Underwater Egress/Escape Training
  • HV - High Viscosity
  • HVC - Hydraulically Variable Choke
  • HVDC - High Voltage Direct Current
  • HWC - High Water Cut
  • HWDP - Heavy Weight Drill Pipe
  • HWDP - Heavy-Weight Drill Pipe (sometimes spelled Hevi-Wate)
  • HWU - Herriot Watt University
  • HXT - Horizontal Tree
  • HYPJ - Hyperjet
  • HYROP - Hydrophone Log
  • HZ – horizontal

I

  • I:P - Injector To Producer Ratio
  • IADC - International Association of Drilling Contractors
  • IBC - Intermediate Bulk Container
  • IBO - Internal Blowout
  • IBOP - Internal Blow Out Preventor
  • ICD - Inflow Control Device
  • ICE - Integrated Charge Evaluation
  • ICoTA - Intervention and Coiled Tubing Association
  • ICP - Intermediate Casing Point
  • I-Csg - Intermediate Casing
  • ICSU - Integrated Commissioning and Start Up
  • ICV - Inflow/Interval/Injection Control Valve (smart completion equipment)
  • ICV - Integrated Cement Volume (of Borehole)(in Cubic Metres)
  • ICV - Interval Control Valve
  • ID - Identifier
  • ID - Inner or Internal Diameter (of a tubular component such as a casing)
  • IDC - Intangible Drilling Costs
  • IDEL - IDEL Log
  • IDP - Individual Developent Plan
  • IEB - Induction Electro BHC Log
  • IEL - Induction Electrical Log
  • IF - Internal Flush tool joint
  • IFO - In Field Opportunity
  • IFR - Integrated Functional Review
  • IFT - InterFacial Tension
  • IGP - Internal Gravel Pack
  • IH - Gamma Ray Log
  • IHV - Integrated Hole Volume (of Borehole) (in Cubic Metres)
  • II - Injectivity Index
  • IIA - Integrated Impact Assessment
  • IJL - Injection Log
  • IL - Induction Log
  • ILI - InLine Inspection (Intelligent Pigging)
  • ILOGS - Image Logs
  • IM - Internet Messenger (AOL, MS, etc)
  • IMAG - Image Analysis Report
  • IMCA - International Marine Contractors Association
  • IMO - International Marine Organization
  • IMV - Injection Master Valve
  • Inc - Inclination
  • 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
  • IOEM - Invert Oil Emulsion Mud
  • IOP - Integrated Operations Planning
  • IOR - Improved Oil Recovery
  • IP - Initial Production
  • IP - Injured Person (way of describing persn anonomously)
  • IP - Intermediate Pressure
  • IPA - Independent Project Analysis Company
  • IPAA - Independent Petroleum Association of America
  • IPC - Installed Production Capacity
  • IPC - Intake Pressure Curve (J curve)
  • IPLS - IPLS Log
  • IPM - Injection Pressure Model
  • IPM - Integrated Production Modelling
  • IPMS - Integrated Performance Monitoring System
  • IPP - Integrated Production Plan
  • IPR - Inflow Performance Relationship (well)
  • IPR - Injection Production Ratio (waterflood)
  • IPT - Integrated Project Team
  • IR - Interpretation Report
  • IRC - Inspection Release Certificate
  • IRF - Improved Recovery Factor
  • IRM - Integrated Reservoir Modelling
  • IRR - Internal Rate of Return
  • IRTJ - IRTJ Gamma Ray Slimhole Log
  • ISC - Integrated Service Contract
  • 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
  • ISO - international Standards Organization
  • ITB - Invitation To Bid (normally for procurement)
  • ITHP - Injection Tbg Head Pressure
  • ITP - Initial Tract Participation (Unitization)
  • ITR - Integrated Technical Review (Subsurface, replaced IMR in 2009) (Surface has Assumptions Review)
  • ITS - Influx To Surface
  • ITT - Invitation To Tender (contracts)
  • IUP - Insitu Upgrading Process
  • IWCF - International Well Control Federation
  • IWCF - International Well Control Forum
  • IWOCS - Intervention WorkOver Completion System (Smart completion)
  • IWOCS- Installation / Workover Control System
  • IWS - Intelligent Well System
  • IWV - Injection Wing Master Valve

J

  • J&A - Junked and abandoned
  • JB - Junk Basket (well tool)
  • JU - Jack-Up drilling rig
  • JT - Joule-Thomson (effect/valve/separator)
  • JVP - Joint Venture Partners/Participants
  • JIB - Joint Interest Billing (Partner billing system)
  • JCP - Job Competance Profile
  • JIP - Joint Industry Project
  • JOF - Joints Of Fluid
  • JP - Jet Pump
  • JSA - Job Safety Analysis
  • JSEA - Job Safety Environment Analysis
  • JV - Joint Venture

K

  • k - permeability
  • KB - Kelly Bushing
  • KBE - Kelly Bushing Elevation (in meters above sea level, or meaters above ground level)
  • KBG - Kelly Bushing Hight above Ground Level
  • KD - Kelly Down
  • Kg - permeability of gravel (in gravel packs and fracs)
  • Kg - permeability to gas
  • Kh - horizontal permeability
  • KHI - Kinetic Hydrate Inhibitor
  • km - kilometer
  • KM - Knowledge Management
  • Ko - permiability to oil
  • KOIV - Knock Out Isolation Valve
  • KOP - Kick Off Plug
  • KOP - Kick-Off Point (directional drilling)
  • KPI - Key Performance Indicator
  • Kr - relative permeability
  • Kro - oil relative permiability
  • KRP - Kill rate pressure
  • Krw - water relatiie permiability
  • Kv - vertical permeability
  • Kw - permiability to water
  • Kx - max horizontal permiability
  • Ky - min horizontal permeability

L

  • L - Length
  • L/D - Laydown (@ rig)
  • LACT - Lease Automatic Custody Transfer
  • LAH - Lookahead
  • LAOT - Linear Activation Override Tool
  • LARS - Launch & Recovery System
  • LAT - Lowest Astronomical Tide
  • LC - Low Case
  • LC - Lower Completion
  • LCF - Latest Cost Factor
  • LCM - Lost Circulation Material
  • LCNLG - LDT CNL Gamma Ray Log
  • LCV - Liquid Control Valve
  • LD - Lay down (tubing, rods, etc.)
  • LDHI - Low Dosage Hydrate Inhibitors
  • LDL - Litho Density Log
  • LDS - Lock Down Sleeve (drilling riser)
  • LDTEP - LDT EPT Gamma Ray Log
  • LEAKL - Leak Detection Log
  • LEPRE - Litho-Elastic Property Report
  • LFA - Live Fluid Analizer
  • LGR - Liquid Gas Ratio
  • LGS - Low Gravity Solids (drilled solids)
  • LH - Left Hand
  • LHT - Left Hand Turn
  • LIH - Lost In Hole
  • LIMS - Laboratory Information Management System
  • LINCO - Liner and Completion Prog. Report
  • LIOG - Lithography Log
  • LIRA - Logistic and Infrastructure Resource Assessment
  • LIT - Lead Impression Tool
  • LITDE - Litho Density Quicklook Log
  • LITHR - Lithological Description Report
  • LITRE - Lithostratigraphy Report
  • LITST - Lithostratigraphic Log
  • LKH - Lowest Known Hydrocarbons (for determining SEC GIIP or *STOIIP)
  • LKO - Lowest Known Oil
  • LL - Laterolog
  • LMAP - Location Map
  • LMGV - Lower Master Gate Valve
  • LMP - Liquid Mud Plant
  • LMRP - Lower Marine Riser Package
  • Lmst - Limestone
  • LMV - Lower Master Valve (on a Xmas tree)
  • LNG - Liquified Natural Gas
  • LOA - Letter of Authorisation/Agreement
  • LOE - Lease Operating Expenses
  • LOGGN - Logging Whilst Drilling
  • LOGRS - Log Restoration Report
  • LOGSM - Log Sample
  • LOI - Letter Of Intent
  • 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 - Liquified Petroleum Gas
  • LPH -Liters Per Hour
  • LPWHH - Low Pressure Well Head Housing
  • LRP - Lower Riser Package
  • LS - Landing String (subsea completions)
  • LS - Long String (dual tubing)
  • LSBGR - Long Spacing BHC GR Log
  • LSSON - Long Spacing Sonic Log
  • LST - Low Stand (Geologic deposition)
  • LT - Linear Time or Lag Time
  • LTDS - Long Term Drilling Sequence
  • LTI(FR) - Lost Time Incident (Frequency Rate)
  • LTIF - Lost Time Incident Frequency
  • LtO - License to Operate
  • LTO - Light Tight Oil
  • LTPF - Long Term Production Forecast
  • 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&A - Metering & Allocation
  • M/V - Marine Vessel
  • MA - Management Adjustment
  • MAASP - Maximum Acceptable [or Allowable] Annular Surface Pressure
  • MAC - Multipole Acoustic Log
  • MACL - Multiarm Caliper Log
  • MAGST - Magnetostratigraphic Report
  • MAHBRT - metres along hole below rotary table
  • MAIR - Maximum Allowable (water) Injection Rate
  • MAOP - Maximum Allowable Operating Pressure
  • MARA - Maralog
  • MARPOL - Marine Pollution
  • MARR - Maximum Allowable Reservoir Rate
  • MAWP - Maximum Allowable Working Pressure
  • MB - Material Balance (res eng calc)
  • Mbd - thousand barrels per day
  • mBDF - meters Below Drill Floor
  • MBE - Material Balance Equation (res eng )
  • MBF - Main Boundary Fault
  • Mbod - thousand barrels of oil per day
  • Mboed - thousand barrels of oil equivalent per day
  • MBRO - Multi-Bore Restriction Orifices
  • MBT - Methylene Blue Test
  • mBTHF - meters Below Tubing Head Flange
  • MBU - Multi rate Build Up
  • MC - Management Committee
  • MCD - Mechanical Completion Dossier
  • MCD - Mudcap Drilling
  • Mcf - thousand cubic feet of natural gas
  • Mcfe - thousand cubic feet of natural gas equivalent
  • MCHE - Main Cryogenic Heat Exchanger
  • MCI - Materials, Corrosion, and Integrity
  • MCM - Manifold Choke Module
  • MCS - Manifold & Connection System
  • MCS - Master Control Station
  • MCUGP - Milled Casing Underreamed Gravel Pack
  • mD - millidarcy, measure of permeability, with units of area
  • MD - Measured Depth (see also MDSS)
  • MD - Measured Depth vs TVD
  • MD - Measurements/Drilling Log
  • MDAH - Measured Depth Along Hole
  • 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"
  • MDL - Minimum Data List
  • MDR - Monthly Development Report
  • MDSS - Measured Depth Sub-Sea
  • MDT - Modular formation Dynamic Tester
  • MDT - Measured Drill Test (Schlumberger tool)
  • MDT - Modular Dynamic Testing (Schlumberger tool)
  • MEA - Monoethanolamine
  • MEG - Mono-Ethylene Glycol
  • MEG - Mono Ethyline Glycol
  • MEGO - My Eyes Glaze Over (useful for courses)
  • MeOH - Methanol
  • MEP - Maximise Economic Production Potential
  • MEPRL - Mechanical Properties Log
  • MER - Maximum Efficient Rate
  • MER - Medical Emergency Response
  • MERCR - Mercury Injection Study Report
  • MERG - Merge FDC/CNL/Gamma Ray/Dual Laterolog/Micro SFL Log
  • MES - Minimum Environmental Standard
  • MEST - MEST Log
  • MF - Marsh Funnel (mud viscosity)
  • MFCT - Multifinger Caliper Tool
  • MFF - Millipore Filter Factor
  • MFLD - Mechanical Fluid Loss Device (Completion tool)
  • MFM - Multi Phase Meter (Subsea & Surface)
  • MGL - Magnelog
  • MGS - Mud Gas Separator
  • MIC - Microbiologically Influenced Corrosion
  • MIFR - Mini Frac Log
  • MINL - Minilog
  • MIPAL - Micropalaeo Log
  • MIRU - Move In and Rig Up
  • MIS - Module Initiation Sheet (M-Process)
  • MISC - Malaysia International Shipping Company
  • MIST - Minimum Industry Safety Training
  • MIYP - maximum internal yield pressure
  • mKB - Meters below Kelly Bushing
  • ML - Microlog, or Mud Log
  • ML - Mud Line
  • MLE - Motor Lead Extension (ESP motor flat)
  • MLF - Marine Loading Facility
  • MLH - Mud Liner Hanger
  • MLL - Microlaterolog
  • MM - Mud Motor
  • MM or mm - prefix designating a number in millions (not to be confused with SI unit mm for millimetre)
  • MMbd - million barrels per day
  • MMbod - million barrels of oil per day
  • MMcf - million cubic feet (of natural gas)
  • MMcfe - million cubic feet (of natural gas equivalent)
  • MMHE - Malaysia Marine Heavy Engineering
  • MMP - Minimum Miscibility Pressure (EOR)
  • MMS - Minerals Management Service, (United States)
  • MMS - Minerals Management Services (Dept of US Gov't)
  • MMSCF - Million Standard Cubic Foot
  • mmscfd - million standard cubic feet per day
  • mmstb - million stock barrels
  • MMTPA - Millions of Metric Tonnes per Annum
  • MNP - Merge and Playback Log
  • MOA - Memorandom of Agreement
  • MOC - Management Of Change process
  • MOD - Money Of Day (economics, actually cost at time in future, not discounted to today)
  • MODU - Mobile Offshore Drilling Unit
  • MOF - Marine Offloading Facility
  • MOI - Memorandum of Interest
  • MOPO - Manual Of Permitted Operations
  • MOPU - Mobile Offshore Production Unit
  • MOR - Managed Open Resources
  • MOT - Materials/Marine Offloading Terminal
  • MOU - Memorandum of Understanding
  • MOV - Movable Oil Volume
  • MPA - Micropalaeo Analysis Report
  • MPBT - Mechanical Plug Back Tool (Schlumberger product)
  • MPD - Managed Pressure Drilling
  • MPD - Median Particle Diameter
  • MPFM - Multi-Phase Flow Meter
  • MPI - Magnetic Particle Inspection
  • MPK - Merged Playback Log
  • MPP - Mid Point of Perfs
  • MPP: Multiphase Pump: Pump, which can increase flowrate and pressure of the untreated wellstream (hydrocarbons in liquid and gas phase, water, CO2, N2, chemicals, etc.)
  • MPQT - Manufacturing Procedure Qualification Test
  • MPS - Manufacturing Procedure Specification
  • MPT - Marine Portable Tank
  • MPV - Multi Purpose Vessel
  • MQC - Multi Quick Connection Plate
  • MR - Marine Riser, (Morning report)
  • MR - Material Requisition (purchasing)
  • MR - Mobility Ratio (water or EOR flood, less than 1 is good)
  • MRCV - Multi Reverse Circulating Valve
  • MRI - Mechanical Risk Index (Oilpatch standard)
  • MRIRE - Magnetic Resonance Image Report
  • MRIW - Monthly Report of Injecting Wells
  • MRLD - Mechanical Rigid Lockdown tool (Drill-quip tool)
  • MRPW - Monthly Report of Producing Wells
  • MS - Marine Supervisor
  • MSA - Master Service Agreement (Accounting)
  • MSCT - MSCT Gamma Ray Log
  • MSFL - Micro SFL Log
  • MSI - Mechanical and Structural Inspection
  • MSIPC - Multi Stage inflatable Packer Collar
  • MSL - Mean sea level
  • MSL - Mean Sea Level
  • MSL - Micro Spherical Log
  • MSM - Micro Seismic
  • MSS - Magnetic Single Shot (well directional survey)
  • mss - meters sub sea
  • MST - MST EXP Resistivity Log
  • MSV - Marine Supply Vessel
  • MSV - Mean Square Value
  • MTAB - Mass Transfer Allocation Balance (meter)
  • MTBF - Mean Time Between Failure
  • MTC - Mass Transport Complex (Subsea)
  • MTC - Medical Treatment Case
  • MTD - Mass Transport Deposit (Subsea)
  • MTDS - Medium Term Drilling Sequence
  • MTM - Metal To Metal (seal)
  • MTO - Material Take Off
  • MTT - MTT Multi-Isotope Trace Tool
  • MTTF - Mean Time To Failure
  • MTU - Mobil prod Test Unit
  • MU - Make Up
  • MUD - Mud Log
  • MUDT - Mud Temperatire Log
  • MuSol - Mutual Solvent
  • MV - Marine Vessel
  • MVB - Master Valve Block (XT)
  • MW - Mud Weight
  • MWD - Measurement While Drilling
  • MWDRE - Measurement While Drilling Report
  • MWS - Marine Warranty Survey
  • MY - Man Year

N

  • N/G - Net over Gross (pay)
  • NACE - National Association of Corrosion Engineers
  • NaCl - Sodium Chloride (table salt)
  • NAM - Nederlandse Aardolie Maatschappij B.V.
  • 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
  • NBD - New Business Development
  • NBO - New Business Opportunities
  • NBP - Nominal Bore Protector
  • NBS - Near Bit Stabilizer
  • NCD - Nigerian Content Directive
  • ND - Nipple Down (wellhead)
  • NDE - Non Destructive Examination (Welding)
  • NDT - Non Destructive Testing (Welding)
  • NEUT - Neutron Log
  • NF - Natural Flow (well)
  • NFA - No Further (CapEx) Activity
  • 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
  • NGDC - National Geoscience Data Centre (United Kingdom)
  • NGE - New Generation Expat
  • NGL - Natural Gas Liquids
  • NGLQT - NGT QL Log
  • 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
  • NGTR - NGT Ratio Log
  • NHDA - National Hydrocarbons Data Archive (United Kingdom)
  • NHPV - Net Hydrocarbon Pore Volume
  • NIOSH - (US) National Institute for Occupational Safety and Health
  • nm - nanometer (length measurement)
  • NMDC - Non Magnetic Drill Collars
  • NMHC - Non-Methane Hydrocarbons
  • NMR - Nuclear Magnetic Resonance Log
  • NMVOC - Non-Methane Volatile Organic Compounds
  • NNS - Northern North Sea
  • NOC - National Oil Company
  • NOISL - Noise Log
  • NORM - Naturally Occurring Radioactive Material
  • NOS - Net Oil Sand
  • NOV - Non Operated Venture
  • Np - cumulative oil Production (see also Gp & Wp)
  • NP - Non Producing well (as opposed to P; Producing well)
  • NPD - Norwegian Petroleum Directorate, Norway
  • NPHI - Net Ø (porosity)
  • NPS - Nominal Pipe Size (sometimes NS)
  • NPSH - Net Positive Suction Head
  • NPT - Non Productive Time (rig etc)
  • NPV - Net Present Value
  • NPW - New Pool Wildcat, Lahee classification
  • NRV - Non Return Valve (Chicksan valve that only allows flow in one direction)
  • 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.
  • NtG - Net to Gross (pay)
  • NTHF - Non-Toxic High Flash
  • NTT - No Touch Time (hydrates)
  • NTU - Nephelometric Turbidity Units (100 is low and almost potable, try to get below 20 for completions)
  • NU - Nipple Up
  • NUMAR - Magnetic Resonance Image Log
  • NWB - Near Well Bore

O

  • O&G - Oil and Gas (referring to the industry or the companies in it)
  • O&M - Operations and Maintenance
  • O/P - Overpull
  • OBC - Ocean Bottom Cable (Seismic)
  • OBCS - Ocean Bottom Cable System
  • OBDTL - OBDT Log
  • OBEVA - OBDT Evaluation Report
  • OBM - Oil Based Mud
  • OBM - Oil-Based Mud
  • OCIMF - Oil Companies International Marine Forum
  • OCL - Quality Control Log
  • OCM - Operating Committee Meeting
  • OCS - Overall Contracting Strategy
  • OCTG - Oil Country Tubular Goods (oil well casing, tubing, and drill pipe)[9]
  • OD - Outer Diameter (of a tubular component such as casing)
  • ODFE - Old Drill Floor Elevation
  • ODP - Ocean Drilling Program
  • ODT - Oil Down To
  • ODT - Oil Down To (in reservoir)
  • OEM - Original Equipment Manufacturer
  • OFST - Offset Vertical Seismic Profile
  • OGOC - Original Gas Oil Contact OGWC - Original Gas Water Contact
  • OH - Openhole Log
  • OHC - Open Hole Completion
  • OHGP - Open Hole Gravel Pack
  • OI - Operational Integrity
  • OIM - Offshore Installation Manager
  • OIM - Offshore Installation Manager
  • OIP - Oil Initially in Place
  • OJT - On Job Training
  • OML - Oil Mining License (Nigeria)
  • OMRL - Oriented Micro-Resistivity Log
  • ONAN - Oil Natural Air Natural cooled transformer
  • OOE - Offshore Operation Engineer (senior technical authority on an offshore oil platform)
  • OOIP - Original Oil In Place
  • OOT - Out of Tolerance
  • OOWC - Original Oil Water Contact
  • OPEC - Organization of Petroleum Exporting Countries
  • OPL - Operations Log
  • OPMG - Opportunity & Project Management Guide
  • OPRES - Overpressure Log
  • OPS - Operations Report
  • OR&A - Operations Readiness & Availability
  • ORICO - Oriented Core Data Report
  • ORP - Opportunity Realization Process
  • OSC - On Scene Commander
  • OSR - Oil Steam Ratio (primarily used for economics)
  • OT - A well On Test
  • OT - Off Tree
  • OT - Oil Up To
  • OTDR - Optical Time Domain Reflectometry
  • OTIP - Operational Testing Implementation Plan
  • OTL - Operations Team Leader
  • OUT - Outpost, Lahee classification
  • OVCH - Oversize Charts
  • OVID - Offshore Vessel Inspection Database
  • OWC - Oil Water Contact

P

  • P - Poor
  • P - Producing well (as opposed to NP - Non Producing)
  • P&A - plugged and abandoned (of a well)
  • P&ID - Piping and Instrumentation Diagram
  • P&ID - Process & Instrumentation Diagram
  • p* - current reservoir pressure
  • PA - Portfolio Analysis (economic)
  • PACO - Process Automation, Control & Optimization
  • PADPRT - Pressure Assisted Drillpipe Running Tool
  • PAGA - Public Address General Alarm
  • PAIL - Plunger Assisted Intermittent Lift
  • PAL - Palaeo Chart
  • PALYN - Palynological Analysis Report
  • Pann - annulus Pressure (normally in well)
  • PANO - Producing Assets & New Opportunities
  • PAP - Project Assurance Plan
  • PAR - Pre-Assembled Rack
  • PAU - Pre-Assembled Unit
  • PAX - Passengers (ship, plane, etc)
  • Pb - bubble point Pressure (reservoir)
  • PBD - Pason Billing System
  • PBDMS - Playback DMSLS Log
  • PBL - Paul B Lee who invented DP circ tool
  • PBR - Polished Bore Receptacle (component of a completion string)
  • PBRA - Petrobras
  • PBTD - Plug Back Total Depth
  • PBU - Pressure Build Up (applies to integrity testing on valves)
  • PBU - Pressure Build Up survey (well)
  • Pc - Capillary Pressure (reservoir)
  • PCA - Principal Component Analysis (water analysis)
  • PCB - Poly Chlorinated Biphenyl
  • PCCL - Perforation Casing Collar Locator Log
  • PCDM - Power and Control Distribution Module
  • PCE - Pressure Control Equipment
  • PCI - Project Competative Intelligence
  • PCKR - Packer
  • PCL - Pipe Conveyed Logging
  • PCM - Power Control Module
  • PCN - Proposal to Commence Negotiation
  • PCOLL - Perforation and Collar
  • PCP - Permanent Completion Perforating
  • PCP - Progressive Cavity Pump (well artificial lift)
  • P-Csg - Production Casing
  • PD - Positive Displacement
  • PDC - Perforation Depth Control
  • PDC - Polycrystalline Diamond Composite (a type of drilling bit)
  • PDD - Public Disclosure Document (sets terms for EIA)
  • PDF - Probability Density Function
  • PDG/PDHG - Permanent Downhole Gauge
  • PDKL - PDK Log
  • PDKR - PDK 100 Report
  • PDNP - Proved Developed Not Producing
  • Pdp - Pressure on drill pipe (normally measured at surface to estimate kick)
  • PDP - Project Development Plan
  • PDP - Proved Developed Producing (US Reserves Term, requires wells etc in place, like Intl P1)
  • PDP - Proved Developed Reserves
  • PDR - Performance Development Review
  • PDS - Schlumberger log file name extension type (need PDSView to read)
  • PE - Petroleum Engineer
  • PE - Petroleum Engineer (but more universally, Professional Engineer)
  • PEA - Palaeo Environment Study Report
  • PED - Petroleum Engineering & Development
  • PEDL - Petroleum Exploration and Development Licence (United Kingdom), introduced in the 8th Onshore Licensing Round
  • PENL - Penetration Log
  • PEP - PEP Log
  • PEP - Project Execution Plan
  • PERDC - Perforation Depth Control
  • PERFO - Perforation Log
  • PERM - Permeability
  • PERML - Permeability Log
  • PESBG - 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
  • PFC - PFC Log
  • PFD - Process Flow Diagram
  • PFE - Plate/Frame Heat Exchanger
  • PFHE - Plate Fin Heat Exchanger
  • PFO - Pressure Fall Off survey (ie in water inj well)
  • PFP - Project Focal Point
  • PFPG - Perforation Plug Log
  • PFREC - Perforation Record Log
  • PFS - Process Flow Sheet (Simplified P&ID)
  • PFW - Project Framing Workshop
  • PG - Pressure Gauge (Report)
  • PGB - Permanent Guide Base
  • PGOR - Produced Gas Oil Ratio
  • PH - Phasor Log
  • PHASE - Phasor Processing Log
  • PHC - Project HealthCheck
  • PHI - Ø - porosity
  • PHOL - Photon Log
  • PHYFM - Physical Formation Log
  • PI - Productivity Index or (Permit Issued)
  • PI - Productivity Indicator/Index
  • PIC - Person In Charge
  • PIG - Pipeline Inspection Gauge
  • PIM - Pre Installed Mooring (Offshore Rig)
  • PIN - Project Initiation Note (facilities)
  • PINTL - Production Interpretation
  • PIP - Pipe in Pipe
  • PIP - Project Improvement Plan
  • PIR - Post Implementation Review
  • PJSM - Pre Job Safety Meeting
  • Pkr - Packer
  • PL - Production Licence (United Kingdom), a type of onshore licence issued before 1996
  • PLEM - Pipeline End Manifold
  • PLES -Pipeline End Structure
  • PLET - Pipeline End Termination
  • PLET - PipeLine End Termination (AKA FLET)
  • PLG - Plug Log
  • PLM - Pre-Laid Mooring (Offshore Rig)
  • PLQL - Production Logging Quick Look (Schlumberger software)
  • PLS - Position Location System
  • PLT - Production Logging Tool
  • PLT - Production Logging Tool (well)
  • PLTQ - Production Logging Tool Quicklook Log
  • PLTRE - Production Logging Tool Report
  • PM - Preventative Maintenance (facilities)
  • PMCD - Pressurized Mudcap Drilling
  • PMI - Positive Material Identification
  • PMU - Petroleum Management Unit (dept of Petronas)
  • PMV -Production Master Valve
  • PO - Production Optimization
  • POB - Personnel on Board (offshore rig/ship)
  • POBM - Pseudo-Oil-Based Mud
  • PoE - Plan of Exploration
  • POF - Permanent Operations Facility
  • PON - Petroleum Operations Notice (United Kingdom)
  • POOH / POH - Pull Out Of Hole
  • POQ - Piss Off Quickly
  • POR - Density Porosity Log
  • POROH - Porosity from Open Hole logs
  • POS - Probability Of Success
  • POSFR - Post Fracture Report
  • POSTW - Post Well Appraisal Report
  • POSWE - Post Well Summary Report
  • POWC - Present Oil Water Contact (reservoir)
  • PP - Pump Pressure
  • PP - DXC Pressure Plot Log
  • PP - Partial Pressure
  • PP - Petrophysical
  • PP - Pore Pressure
  • ppcf - Pounds Per Cubic Foot
  • PPD - Pour Point Depresant (Wax chemical)
  • PPE - Personal Protective Equipment
  • PPE - Preferred Pressure End
  • ppf - Pound Per Foot
  • PPFG - Pore Pressure Frac Gradient
  • ppg - Pounds Per Gallon
  • PPI - Post Pipelay Installation
  • PPI - Post Production Inspection/Intervention
  • ppm - Parts per Million
  • PPM - Production Pressure Model
  • PPP - Pore Pressure Prediction
  • PPPPPP - Pre Planning Prevents Piss Poor Performance
  • PPS - Pour Point Suppresant
  • PPS - Pre Packed (sand control) Screen
  • PPS - Production Packer Setting
  • pptf - Pounds (per square inch) Per Thousand Feet (of depth) - a unit of fluid density/pressure
  • PR2 - Testing regime to API6A Annex F
  • PRA - Production Reporting & Allocation
  • PREC - Perforation Record
  • Pres - Reservoir Pressure
  • PRESS - Pressure Report
  • PROD - Production Log
  • PROTE - Production Test Report
  • PROX - Proximity Log
  • PRS - Pipe Racking System (rig)
  • PRSRE - Pressure Gauge Report
  • PSA - Production Sharing Agreement
  • PSANA - Pressure Analysis
  • PSC - Production Sharing Contract
  • PSD - Particle Size Distribution
  • PSD - Planned Shut-Down
  • PSDM - Pre Stack Depth Migration (Seismic)
  • PSDV - Process Shut Down Valve
  • psi - Pound per Square Inch
  • psia - Pound per Square Inch Absolute (above zero pressure)
  • PSIA - Pounds Per Square Inch Atmospheric
  • psig - Pound per Square Inch Gauge (above 1 atm)
  • PSIG - Pounds Per Square Inch Gauge
  • PSL - Product Specification Level
  • PSLOG - Pressure Log
  • PSM - Production System Model
  • PSP - pseudostatic spontaneous potential
  • PSPL - PSP Leak Detection Log
  • PSQ - Plug Squeeze Log
  • PST - Production Screen Test (DIF qual for running SC screens)
  • PST - PST Log
  • PSTM - Pre Stacked Time Migration
  • PSV - Pipe Supply Vessel
  • PSV - Pressure Safety Valve
  • PSVAL - Pressure Evaluation Log
  • PT - Pressure Test
  • PT - Production Technology/Technologist
  • PTA - Pressure Transient Analysis
  • PTA/S - Pipeline Termination Assembly/Structure
  • PTE - Principle Technicl Expert (Shell term)
  • PTL - Production Technical Limit™ (BP Process)/Produce The Limit
  • PTM - Pedal to Metal
  • PTSET - Production Test Setter
  • PTTC - Petroleum Technology Transfer Council, United States
  • PtW - Permit to Work
  • PU - Petroleum Unit (Brunei Gov't)
  • PU - Pick Up (tbg, rods, power swivel, etc.)
  • PU - Porosity Unit (ie 1%)
  • PUD - Proven Un-Developed (US Reserves Term, requires plan in place, like Intl P2)
  • PUN - Puncher Log
  • PUR - Plant Upset Report
  • PUWER - Provision and Use of Work Equipment Regulations
  • PV - Plastic Viscosity (fluid)
  • PV - Pore Volume
  • PV - Present Value
  • PVi - Pore Volume injected (waterflood)
  • PVT - Pit Volume Totalizer
  • PVT - Pressure Volume Temperature
  • PVTRE - Pressure Volume Temperature Report
  • PW - Produced Water
  • PWB - Production Wing Block (XT)
  • PWD - Pore Pressure While Drilling
  • PWE - Practise Worth Eradicating (Dario Frigo phrase)
  • Pwf - flowing bottomhole pressure
  • PWR - Practises Worth Replicating
  • PWRI - Produced Water Re-Injection
  • Pws - static reservoir pressure
  • PWV - Production Wing Valve (also known as a flow wing valve on a Xmas tree)

Q

  • Q - current flowrate
  • QC - Quality control
  • QCR - Quality Control Report
  • Qg - gas prod rate
  • Qi - injection rate (ie water, gas)
  • QI - Quantitative Interpretation (Seismic)
  • QL - Quicklook Log
  • Qo - oil prod rate
  • QRA - Quantitative Risk Assessment
  • Qw - water prod rate

R

  • RAC - Ratio Curves
  • RACI - Responsible / Accountable / Consulted / Informed
  • RAM - Reliability, Availability, and Maintainability
  • RAM - Risk Assessment Matrix
  • RAP - Rolling Activity Plan
  • RAWS - Raw Stacks VSP Log
  • Rb - Reservoir barrel
  • RB - Rig Back
  • RBGL - Riser Based Gas Lift
  • RBP - Retrievable Bridge Plug
  • RCA - Root Cause Analysis
  • RCD - Rotating Control Device
  • RCH - Rotating Control Head
  • RCI - Reservoir Charactization Instrument (logging tool)
  • RCJB - ReCirculating Junk Basket
  • RCKST - Rig Checkshot
  • RCL - Retainer Correlation Log
  • RCM - Reliability Centred Maintenance
  • RCR - Remote Component Replacement(Tool)
  • RD - Rig Down
  • RDF - Reservoir Drilling Fluid
  • RDL - Reservoir Data Log
  • RDS - Reservoir Development Study
  • RDT - Rapid Development Team
  • re - drainage radius
  • RE - Reservoir Engineer
  • REOR - Reorientation Log
  • RE-PE - Re-Perforation Report
  • REPEAT - Reservoir Engineering Prospect Evaluation Automated Tool (Shell Houston software)
  • 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 LNG
  • RFMTS - Repeat Formation Tester
  • RFQ - Request For Quote
  • RFSU - Ready For Start Up
  • RFSU - Ready For Start-Up
  • RFT - Repeat Formation Tester
  • RFTRE - Repeat Formation Tester Report
  • RFTS - Repeat Formation Tester Sample
  • RHT - Right Hand Turn
  • RIGMO - Rig Move
  • RIH - Run In Hole
  • RITT - Riser Insertion Tube (Tool)
  • RKB - Rotary Kelly Bushing (a datum for measuring depth in an oil well)
  • RKB - Rotary Kelly Bushings
  • RLOF - Rock Loadout Facility
  • RLWI - Rig Less Well Intervention
  • RLWI - Riserless Less Well Intervention
  • RM - Repair & Maintenance
  • RM - Risk Management
  • RMLC - Request for Mineral Land Clearance
  • RMP - Reservoir Management Plan
  • RMS - Ratcheting Mule Shoe
  • RNT - RNT Log
  • ROACE - Rtn On Avg Capital Employed
  • ROAR - Regional Review
  • ROC - Retention Of Cuttings (Mud term)
  • ROCK - Retention Of Critical Knowledge
  • ROCT - Rotary Coring Tool
  • ROP - Rate of Penetration; Rate of Perforation
  • ROR - Rate Of Return (Economics)
  • ROS - Remaining Oil Saturation (reservoir)
  • ROV - Remotely Operated Vehicle
  • ROV/WROV - Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance
  • ROWS - Remote Operator Workstation
  • ROZ - Recoverable Oil Zone
  • RPCM - Ring Pair Corrosion Monitoring
  • RPM - Relative Permeability Modifier
  • RPM - Reservoir Performance Monitoring
  • RPM - Revolutions Per Minute, (Rotations Per Minute)
  • RPS - Revolution Per Second
  • RR - Re-Run
  • RR - Rig Release
  • RROCK - Routine Rock Properties Report
  • RRR - Reserves Replacement Ratio
  • rs - Condensate Gas Ration in situ
  • Rs - Solution Gas Oil Ratio in situ
  • RSM - Response Surface Model
  • RSM - Riser Seal Mandrel
  • RSS - Rig Site Survey
  • RSS - Rotary Steerable System
  • RSS - Rotary Steerable Systems
  • RST - Reservoir Saturation Tool (Schlumberger) Log
  • RT - Real Time
  • RT - Rotary Table
  • RT - Round Trip
  • RTA - Rate Transient Analysis
  • RTEP - Real-Terms Earnings Power
  • RTL - Realizing The Limit
  • RTO - Real Time Operations
  • RTOC - Real Time Operation Center
  • RTS - Remote Testing Station
  • RTTS - Retrievable Test-Treat-Squeeze (packer)
  • RU - Rig Up
  • RV - Ranking Value
  • Rw - Resistivity of Water
  • rw - Wellbore Radius
  • RWD - Reaming While Drilling
  • RWI - Raw Water Injection
  • RXC - Regional Exploration Consultant

S

  • S - total Skin
  • S&D - Shoot & Drop
  • S&P - Shoot & Pull
  • S/O - Slack Off
  • S2B - Subsea to Beach
  • SA - Seal Assembly
  • SABA - Supplied Air Breathing Apparatus
  • SAG - Surfactant Alternating Gas (EOR Flood)
  • SAGD - Steam Assisted Gravity Drainage
  • SAGD - Steam Assisted Gravity Drive
  • SALM - Single Anchor Loading Mooring
  • SAM - Subsea Accumulator Module
  • SAML - Sample Log
  • SAMTK - Sample Taker Log
  • SANDA - Sandstone Analysis Log
  • SARA - Saturate Aromatic Resin Asphaltenes
  • SART - Search & Rescue Transponder
  • SAS - Stand Alone Screens (Sand control)
  • SAT - SAT Log
  • SAT - Site Acceptance Test
  • SB - SIT-BO Log
  • SBF - Synthetic Base Fluid
  • SBM - Single Buoy Mooring
  • SBM - Synthetic (oil) Based Mud
  • SBOP - Surface Blow Out Preventer
  • SBT - Segmented Bond Tool
  • SC - Seismic Calibration
  • SC - Solids/Sand Control
  • 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
  • SCL - Strategic Cost Leadership
  • SCM - Supply Chain Management
  • SCM(MB) - Subsea Control Module (Mounting Base)
  • SCO - Synthetic crude oil
  • SCON - Sand Consolidation
  • SCP - Summary Completion Proposal
  • SCR - Steel Catenary Riser (subsea system component)
  • SCRO - Subsea Control Room
  • SCRS - Sidewall Cores
  • S-Csg - Surface Casing
  • SCSSV - Surface Controlled Subsurface Safety Valve
  • Scw - Saturation of Connate Water
  • SD - Shut Down
  • SD - Sonic Density
  • SD - Sustainable Development
  • Sdam - Damage skin
  • SDE - Supervising Drilling Engineer
  • 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
  • SE - Stakeholder Engagement
  • SEA - Strategic Environmental Assessment (United Kingdom)
  • SECGU - Section Gauge Log
  • SEDHI - Sedimentary History
  • SEDIM - Sedimentology
  • SEDL - Sedimentology Log
  • SEDRE - Sedimentology REport
  • SEM - Scanning Electron Mycroscope
  • SEM - Subsea Electronics Module
  • Semi (or Semi-Sub) - Semi-Submersible Drilling Rig
  • SEPAR - Separator Sampling Report
  • SEQSU - Sequential Survey
  • SESD - Subsea Emergency Shut Down
  • SET - Solid Expandable Tubular
  • SF - Smart Field
  • SFC - Sand Face Completion
  • SFERAE - Global Association for the use of knowledge on Fractured Rock in a state of Stress, in the field of Energy, Culture and Environment [10]
  • SFL - Steel Flying Lead
  • SFR - Scope For Recovery
  • SG - Specific Gravity
  • SG - Static Gradient
  • SGIIP - Soln Gas Initially In Place
  • SGR - Shale Gouge Ratio
  • SGSI - Shell Global Solutions International
  • SGT - Structural Geological Toolkit (Shell software product)
  • SGUN - Squeeze Gun
  • SHA - Sensor Harness Assembly
  • SHDT - Stratigraphic High Resolution Dipmeter Tool
  • SHF - Saturation Height Function
  • SHO - Stab and Hinge Over
  • SHOCK - Shcok Log
  • SHOWL - Show Log
  • SI - Scale Inhibitor
  • SI - Shut In well
  • SI/TA - Shut In/Temporarily Abandoned
  • SICP - Shut-In Casing Pressure
  • SIDPP - Shut-In Drill Pipe Pressure
  • SIDSM - Sidewall Sample
  • SIEP - Shell International Exploration & Production
  • SIFEC
  • SIGTTO - Society of International Gas Tankers and Terminal Operators
  • SIL - Safety Integrity Review (HSE)
  • SIMCON - Simultaneous Construction
  • SIMOPS - Simultaneous Operations
  • SIMOPS - Simultaneous Operations
  • SIP - Shut In Pressure
  • SIPES - Society of Independent Professional Earth Scientists, United States
  • SIPM - Shell Internationale Petroleum Maatschappij
  • SIT - Stackup Integrity Test (For Wellhead - trees)
  • SIT - System Integration Test FR SIT - Field Representation SIT
  • SIT - System Integration Test (Most common)
  • SIT - System 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
  • SLA - Service Level Agreements
  • SLC - Shell Leadership Challenge
  • SLS - SLS GR Log
  • SLT - SLT GR Log
  • SMA - Small Amount
  • SMART - Specific Measurable Auditable Realistic Time based
  • SME - Subject Matter Experts
  • SMLS - Seamless PipeMPP:
  • SMO - Suction Module
  • SMPC- Subsea Multiphase Pump: Pump, which can increase flowrate and pressure of the untreated wellstream
  • SMRP - Static Model Review Panel
  • SMS - Safety Management System
  • SMT - Senior Mud Technician
  • SN - Seat Nipple
  • SNAM - Societá NAzionale Metanodotti now Snam S.p.A. (Italy) [11]
  • SNAME - Society of Naval Architects and Marine Engineers
  • Snd - Sandstone
  • SNEPCo - Shell Nigeria Exploration and Production Company
  • SNP - Sidewall Neutron Porosity
  • Snr - Non removable skin
  • SNS - Southern North Sea
  • So - oil Saturation
  • SO - Slack Off
  • SOBM - Synthetic Oil Based Mud
  • SOC - Shell Only Cost (for Shell account)
  • SOGT - Sabah Oil & Gas Terminal
  • Soi - oil Saturation initial
  • SOLAS - Safety of Life at Sea
  • SOLAS - Safety Of Life At Sea
  • SONCB - Sonic Calibration Log
  • SONRE - Sonic Calibration Report
  • SONWR - Sonic Waveform Report
  • SONWV - Sonic Waveform Log
  • Sor - residual oil Saturation (oil that is immobile)
  • SOR - Steam Oil Ratio (HO projects)
  • Sorw - residual oil Saturation to waterflood
  • SOS - Senior Onsite Supervisor
  • SOW - Scope Of Work
  • SOW - Slack Off Weight (rig)
  • SOW _ Slip-On Wellhead
  • SP - Shot point (geophysics)
  • SP - Social Performance
  • SP - Spontaneous Potential (Well Log)
  • SPAF - SIEP Project Approval Form
  • SPCAN - Special core analysis
  • SPE - Society of Petroleum Engineers[12]
  • SPEAN - Spectral Analysis
  • SPEL - Spectralog
  • SPF - Shot Per Foot (perforation reading)
  • SPFM - Single Phase Flow Meter
  • SPH - SPH Log
  • SPM - Side Pocket Mandrel or Strokes Per Minute (of a positive-displacement pump)
  • SPM - Shot Per Meter (Perforations)
  • SPM - Strokes Per Minute (PJ artificial lift reading)
  • SPOP - Spontaneous Potential Log
  • Spp - Skin due to partial penetration
  • SPP - Stand Pipe Pressure
  • SPROF - Seismic Profile
  • SPS - Subsea Production Systems
  • SPT - Shallower Pool Test, Lahee classification
  • SQL - Siesmic Quicklook Log
  • SR - Shear Rate
  • SR - Source Rock
  • SRB - Sulphate Reducing Bacteria (souring of reservoir)
  • SRD - Seismic Reference Datum, an imaginary horizontal surface at which TWT is assumed to be zero
  • SRD - Seismic Reference Depth (ie below surface layers
  • SRD - Shell Recruitment Day
  • SREC - Seismic Record Log
  • SRP - Sucker Rod Pump
  • SRT - Site Receival Test
  • SRT - Step Rate Test
  • SS - Shell Share
  • SS - Short String (dual tubing)
  • SS - Static pressure Survey
  • SS - Steady State
  • SS - Subsea, as in a datum of depth, e.g. TVDSS (true vertical depth subsea)
  • SSB - Singlephase Sample Bottle
  • SSCC - Sulphide Stress Corrosion Cracking
  • SSCP -Subsea Cryogenic Pipeline
  • SSCR - Shaped Steel Caternary Riser
  • SSCS - Subsea Control System
  • SSD - Sliding Side Door (slickline tool)
  • SSD - Sliding Sleeve Door
  • SSD - Sub Sea Level depth (in Meters or Feet, positive value in downwards direction with respect to the Geoid)
  • SSG - Sidewall Sample Gun
  • SSIV - Subsea Isolation 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
  • SSSV - Subsurface Safety Valve
  • Sst - Siltstone
  • SSTT - Subsea Test Tree
  • SSTT - Sub Sea Test Tree
  • SSTVD - SubSea True Vertical Depth
  • SSU - Subsea Umbilicals
  • SSV - Surface Safety Valve
  • SSWI - Subsea Well Intervention
  • ST - Shoe Track
  • ST - Side Track
  • ST&F - Slips, Trips, & Falls
  • stab - Stabiliser
  • STAGR - Static Gradient Survey Report
  • STB - Stock Tank Barrel
  • STBOPD - Stock Tank Barrels Oil Per Day (oil prod rate)
  • STC - STC Log
  • STDS - Short Term Drilling Sequence
  • STEP - Shell Technology Exploration & Production
  • STFL - Steel Tube Fly Lead
  • STGL - Stratigraphic Log
  • STIMU - Stimulation Report
  • STKPT - Stuck Point
  • STL - Service The Limit
  • STL - STL Gamma Ray Log
  • STL - Stock Tank Liquid
  • STO - Stock Tank Oil
  • STOIIP - Stock Tank Oil Initially In Place
  • STOP - Safety Training Observation Program
  • STRAT - Stratigraphy, stratigraphic
  • STRRE - Stratigraphy Report
  • STSH - String Shot
  • 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
  • SV - Screening Value
  • SV - Sleeve Valve or Standing Valve
  • SVLN - slickline Safety Valve Landing Nipple
  • SW - Salt Water
  • Sw - water saturation (cannot be below water connate saturation)
  • SWBT - Sea Water Break Through
  • Swbt - water saturation at waterflood breakthrough
  • Swc - connate (immobile) water saturation
  • SWC - Side Wall Core
  • SWD - Salt Water Disposal Well
  • SWE - Senior Well Engineer
  • SWF - Shallow Water Flow
  • Swf - water Saturation at waterflood front
  • SWHE - Spiral Wound Heat Exchanger
  • Swi - initial water saturation
  • Swi - irrudicable water saturation, (same as Swc)
  • SWOP - Sample Well On Paper (exercise)
  • SWOT - Strength Weakness Opportunity Threat analysis
  • SWOT - Strengths, Weaknesses, Opportunities and Threats
  • SWS - Smart Well Solutions
  • SWT - Surface Well Test
  • Sww - water saturation at well
  • SYNRE - Synthetic Seismic Report
  • SYSEI - Synthetic Seismogram Log

T

  • T - Temperature
  • T - Tight
  • T - well flowing to Tank
  • T&OE - Technical & Operational Excellence
  • T&T - Tasks & Targets
  • TA - Temporarily Abandoned well
  • TA - Temporary Abandon
  • TAC - Tubing Anchor
  • TAD - Tender Assisted Drilling (ie Smedvig)
  • TAD - Torque And Drag
  • TAF - Technical Assurance Framework
  • TAGOGR - Thermally Assisted Gas/Oil Gravity Drainage
  • TAML - Technology Advancement of Multi Lateral
  • TAN - Total Acid Number
  • TAP - Torque & Pressure
  • TAP - Trapped Annular Pressure
  • TAPLI - Tape Listing
  • TAPVE - Tape Verification
  • TAR - True Amplitude Recovery
  • TB - Tubing Puncher Log
  • TBA - To Be Advised
  • TBD - To Be Determined
  • TBG - Temporary Guide Base
  • TBT - Through Bore Tree
  • TCA - Total Corrosion Allowance
  • TCF - Temporary Construction Facilities
  • TCF - Trillion Cubic Feet(of gas)
  • TCI - Tunsgten Carbide Insert (a type of rollercone drillbit)
  • TCM - Technical Committee Meeting
  • TCP - Tubing Conveyed Perforating
  • TCPD - Tubing-Conveyed Perforating Depth
  • TCU- Thermal Combustion Unit
  • TD - Target Depth
  • T-D - Time Depth seismic conversion
  • 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
  • TDS - Top Drive System
  • TDS - Top Drive System (rig)
  • TDS - Total Disolved Solids (in water)
  • TDS - Total Dissolved Solids
  • TDT - TDT Log
  • TDT - Thermal Decay Time
  • TDT GR - TDT Gamma Ray Casing Collar Locator Log
  • TDTCP - TDT CPI Log
  • TEC - Tubing Encapsulated Conductor (smart kit electrical umbilical)
  • TECOP - Technical Economic Commercial Organizational Politico-Societal
  • TEFC - Totally Enclosed Fan Cooled
  • TEG - Tri-ethylene Glycol
  • TELER - Teledrift Report
  • TEMP- Temperature Log
  • TEMPSC - Totally Enclosed Motor Propelled Survival Survival Craft
  • TFE - TotalFinaElf (obsolete; Now Total S.A.) major French multinational oil company[13]
  • TFL - Through Flow Line
  • TFM - TaskForceMajella Research Project
  • TG - Total Gross
  • 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
  • THF - Tubing Head Flange
  • THP - Tubing Hanger Pressure (pressure in the production tubing as measured at the tubing hanger)
  • THP - Tubing Head Pressure
  • THRT - Tubing Hanger Running Tool
  • THS - Tubing Head Spool
  • TI - Technical Integrity
  • TIE - Tie In Log
  • TIEBK - Tieback Report
  • TIG - Tech Information Group (SPE subteams)
  • TIH - Trip Into Hole
  • TIW - Texas Iron Works (pressure valve)
  • TIW - Texas Iron Works valve (ball valve that seals in both directions) aka mud saver valve, aka Lower Kelly Cock
  • TLA - Technical Limit Approach (BP)
  • TLA - Three Letter Acronym
  • TLD - Technical Limit Drilling
  • TLI - Top of Logging Interval
  • TLO - Tight Light Oil
  • TLOG - Technical Log
  • TMB - Twin Mono Bore (well design)
  • 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 - Table Of Contents
  • TOC - Top Of Cement
  • TOC - Total Organic Content/Carbon
  • TOF - Top Of Fish
  • TOFD - Time of first data sample (on seismic trace)
  • TOFS - Time of first surface sample (on seismic trace)
  • TOH - Trip Out of Hole
  • TOI - Transocean International (Rig co)
  • TOJ - Time Of Job
  • TOL - Top Of Liner
  • TOOH - Trip Out Of Hole
  • TOPU - Topsides Umbilical Termination Unit
  • TOR - Terms Of Reference
  • TORAN - Torque and Drag Analysis
  • TOS - Top Of Screen, Top Of Sand
  • TPA - Technical Peer Assist
  • TPERF - Tool Performance
  • TPF - Temporary Production Facility
  • TPR - Tubing Pipe Ram
  • TQM - Total Quality Management
  • TR - Temporary Refuge
  • TRA - Tracer Log
  • TRACL - Tractor Log
  • TRCF - Total Recordable Case Frequency
  • TRCFR - Total Recordable Case Frequency Rate
  • TRD - Total Report Data
  • TREAT - Treatment Report
  • TREP - Test Report
  • TRIP - Trip Condition Log
  • TROIF - Total Recordable Occupational Incident Frequency
  • TRSCSSSV - Tubing Retrievable Surface Controlled Sub-Surface Safety Valve
  • TRSCSSV - Tubing Retrievable Surface Controlled Sub-Surface Valve
  • TRSSSCV - Tubing Retrievable Sub Surface Safety Control Valve
  • TRSV - Tubing Retrievable Safety Valve
  • TRSV - Tubing Retrievable Safety Valve
  • TS - Topside
  • TSA - Thermally Sprayed Aluminium
  • Tscf - Trillion standard cubic feet (gas volume)
  • TSF - Transocean Sedco Forex
  • TSI - Temporarily Shut In
  • TSL - Tubing Stability Latch (Completion zone)
  • TSO - Tip Screen Out
  • TSP - Twin Screw Pump
  • TSR - Thermochemical Sulphate Reduction (creates H2S)
  • TSS - Technical Specification Sheet
  • TSS - Total Suspended Solids (in water)
  • TST - Transgressive Stand (Geologic deposition)
  • TT - Test Tool
  • TT - Through Tubing
  • TT - Torque Tool
  • TT - Transit Time Log
  • TTBP - Through Tubing Bridge Plug (Baker product)
  • TTC - Through Tubing Conveyed
  • TTOC - Theoretical Top Of Cement
  • TTR - Top Tension Riser
  • TTRD - Through Tubing Rotary Drilling
  • TTRD - Through Tubing Rotary Drilling
  • TUM - Tracked Umbilical Machine
  • TUTA - Topside Umbilical Termination Assembly (subsea umbilical)
  • TV - Travelling Valve (rod pump)
  • TV/BIP - Ratio of Total Volume (ore and overburden) to Bitumen In Place
  • TVBDF - True Vertical Depth Below Derrick Floor
  • TVD - True Vertical Depth (vs MD)
  • TVDC - Time Versus Depth Curve (drilling)
  • TVDPB - True Vertical Depth Playback Log
  • TVDSS - True Vertical Depth Sub Sea
  • TVELD - Time and Velocity to Depth
  • TVP - True Vapour Pressure (sales oil)
  • TVRF - True Vertical Depth versus Repeat Formation Tester
  • TVT - True Vertical Thickness
  • TWC - Thick Wall Cylinder (core test)
  • TWCV - Two Way Check Valve
  • TWT - Two-Way Time (seismic)
  • TWTTL - Two-Way Travel Time Log
  • TZ - Transition Zone

U

  • µ - Viscosity (pronounced mu)
  • UBD - Under Balanced Drilling
  • UBI - Ultrasonic Borehole Imager (Schlumberger log)
  • UBIRE - Ultrasonic Borehole Imager Report
  • UBO - Under Balanced Operations
  • UCS - Unconfined Compressive Stress (core test)
  • UCSU - Upstream Commissioning and Start-Up
  • UDC - Unit Development Cost
  • 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
  • ULW - Ultra Light Weight (Proppant)
  • UMCA - Umbilical Midline Connection Assembly
  • UMGV - Lower Master Gate Valve
  • UMV - Upper Master Valve (from a Xmas tree)
  • UO - Unconventional Oil
  • UPI - Unit Participating Interest (Unitization)
  • UPR - Upper Pipe Ram
  • UR - Ultimate Recovery
  • URT - Universal Running Tool
  • USG - United States Gallons
  • USGS - United States Geological Survey
  • USV - Underwater Safety Valve
  • UTA - Umbilical Termination Assembly
  • UTC - Unit Technical Cost
  • UTH - Umbilical Termination Head
  • UTM - Universal Transverse Mercator
  • UUOA - Unitization & Unit Operating Agreement

V

  • V2V - Volume 2 Value
  • VAR - Value Assurance Review
  • VC - Value Creation
  • Vc - Velocity across gravel pack at perf tunnel
  • VDENL - Variation Density Log
  • VDL - Variable Deck Load (floating rig)
  • VDL - Variable Density Log
  • VDL - VDL Log
  • VDU - Vacuum Distillation Unit, used in processing bitumen
  • VELL - Velocity Log
  • VERAN - Verticality Analysis
  • VERIF - Verification List
  • VERLI - Verification Listing
  • VERTK - Vertical Thickness
  • VES - Visco Elastic Surfactant
  • VFP - Vertical Flow Profile
  • VIPs - Value Improvement Practices (Shellspeak)
  • VIR - Value Investment Ratio
  • VISME - Viscosity Measurement
  • VIT - Vacuum Insulated Tubing
  • VIT - Vertical Interference Test (Wireline)
  • VIV - Vortex induced Vibration
  • VLA - Vertical Loaded Anchors
  • VLP - Vertical Lift Performance
  • VLTCS - Very Low Temperature Carbon Steel
  • VO - Variation Order
  • VOCs - Volatile Organic Compounds
  • VoI - Value of Investment/Information
  • VOR - Variation Order Request
  • VOWD - Value Of Work Done
  • VRR - Voidage Replacement Ratio (waterflood)
  • VS - Vertical Section
  • Vs - Velocity across gravel pack screen
  • VSD - Variable Speed Drive
  • VSD - Vertical Steam Drive
  • Vsh - V Shale
  • VSP - Vertical Seismic Profile (log)
  • 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 (Subsea)

W

  • W - Watt
  • W - Width
  • W&R - Wash & Ream (Drilling)
  • W/ - With
  • W/C - Water Cushion
  • WABAN - Well Abandonment Report
  • WAG - Water Alternating Gas (describes an injection well which alternates between water and gas injection)
  • WAG - Wild Ass Guess
  • WALKS - Walkaway Seismic Profile
  • WAMS - Well Activity Management System
  • WATAN - Water Analysis
  • WAV3 - Amplitude (in Seismics)
  • WAV4 - Two Way Travel Time (in Seismics)
  • WAV5 - Compensate Amplitudes
  • WAVF - Waveform Log
  • WB - Wear Bushing
  • WBM - Water Based Mud
  • WBM - Water-Based drilling Mud
  • WBT - Water Breakthrough
  • WC - Watercut / Wildcat well
  • WDP - Well Data Pack
  • WDS - Well Data Sheet
  • WDT - Oil Down To
  • WDW - Water Disposal 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
  • WFO - Wide Fucking Open (no choke)
  • WFT - Wireline Formation Testing
  • WGC - Wet Gas Compressor (Subsea Framo Eng)
  • WGEO - Well Geophone Report
  • WGFM - Wet Gas Flow Meter
  • WGM - Wet Gas Meter
  • WGUNT - Water Gun Test
  • Wh - White
  • WH - Well History
  • WH - Wellhead
  • WHIG - Whitehouse Gauge
  • WHM - Wellhead Maintenance
  • WHM - Wellhead Maintenance
  • WHMIS - WorkPlace Hazardous Material Information Systems
  • WHP - Wellhead Pressure
  • WHP - Wellhead Pressure
  • Wi - cumulative Water injected
  • WI - Water Injection
  • WI - Water Injector or Injection
  • WI - Working Interest
  • WIH - Wash In Hole
  • WIMS - Well Integrity Management System
  • WIP - Work In Progress
  • WIPSP - WIP Stock Packer
  • WIQI - Well Inflow Quality Indicator (actual well inflow/"ideal" well inflow)
  • WIT- Water Investigation Tool
  • WITS - Well Site Information Transfer System
  • WIW - Water Injection Well
  • WL - Wire Line
  • WLC - Wireline Composite Log
  • WLL - Wireline Logging
  • WLR - Water Liquid Ratio (Watercut)
  • WLS - Water Lift Station
  • WLSUM - Well Summary
  • WLTS - Well Log Transaction System
  • WLTS Well Log Tracking System
  • WO - Wait On
  • WO - Wash Out (well bore)
  • 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 (= OWC)
  • WOD - Waiting On Daylight
  • WOE - Well Operations Engineer (a key person of Well services)
  • WOI - Waiting On Ice
  • WOM - Wait(ing) on Material
  • WOO - Waiting On Orders
  • WOR - Water-Oil Ratio
  • WORKO - Workover
  • WOS - Waiting On Slot
  • WOS - West of Shetland, oil province on the UKCS
  • WOW - Wait(ing) On Weather
  • Wp - cumulative Water production
  • WP - Well Proposal or Working Pressure
  • WP&B - Work Plan & Budget
  • 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
  • WQFL - Well Quality Feedback Loop
  • WR - Wet Resistivity
  • WR - Wireline Retrievable (as in a WR Plug)
  • WRB - Well Review Board
  • WRS - Well Report Sepia
  • WRSCSSV - Wireline Retrievable Surface Controlled Sub-Surface Valve
  • WRSSSCV - Wireline Retrievable Sub Surface Safety Control Valve
  • WS - Work String
  • WSCL - Well Site Core Log
  • WSCS - Well Services Completions Supervisor
  • WSDE - Wellsite Drilling Engineer
  • WSE - Well Seismic Edit
  • WSERE - Well Seismic Edit Report
  • WSHT - Well Shoot
  • WSL - Well Site Leader
  • WSL - Well Site Log
  • WSO - Water Shut Off
  • WSOG - Well Specific Operation Guidelines
  • WSP - Well Seismic Profile
  • WSP - Well Systems Productivity
  • WSPE - Wellsite Petroleum Engineer
  • 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
  • WSTL - Well Site Test Log
  • WSU - Well Service Unit
  • WT - Well Test
  • WTC - Westhollow Technology Center
  • WTI - West Texas Intermediate benchmark crude
  • WUT - Oil Up To
  • WUT - Water Up To
  • WVS - Well Velocity Survey
  • WWS - Wire Wrapped Screen

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)
  • X-Over - Crossover
  • 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)
  • XRD - eXperienced hire Recruiting Day
  • XT - Christmas Tree
  • XYC - XY Caliper Log (Halliburton)

Y

  • yd - yard
  • yl - Holdup Factor
  • YP - Yield Point
  • yr - year
  • YTD - Year To Date
  • YTF - Yet To Find

Z

  • Z - Depth, in the geosciences referring to the depth dimension in any x,y,z data.
  • Z - Z factor
  • Z - Vertical axis (depth in res modelling)
  • ZDENP - Density Log
  • ZDL - Compensated Z-Densilog
  • ZOI - Zone of Influence

See also

References

  1. http://www.aade.org
  2. http://www.aapg.org
  3. 3.0 3.1 http://www.standard.no/PageFiles/1315/D-010r3.pdf
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