Abbreviation |
Explanation |
Alternative |
Applicable to |
| % | Percent | Expression | |
| (d)GPS | (Differential) Global Positioning System | Survey Positioning | |
| (k)Hz | (kilo) Hertz | Expression | |
| .ALG | Data files (list file) | Data Format | |
| .ALL | Cable Files (list file) | Data Format | |
| .ASC | Sources files (list file) | Data Format | |
| .CET | Cable Event files | Data Format | |
| .CLL | Cables (receivers) files | Data Format | |
| .csv | Text format file extension | Data Format | |
| .DAT | Data (data points) files | Data Format | |
| .DGN | Intergraph Microstation format | Drawing | |
| .DXF | Drawing Exchange Format (Autodesk) | Drawing | |
| .jpg | JPEG graphic format file extension | Data Format | |
| .LOG | Log files | Data Format | |
| .PIC | Picture files | Data Format | |
| .PTS | Survey track-line files | Data Format | |
| .SRC | Sources (shot points) files | Data Format | |
| .tif | TIFF graphic format file extension | Data Format | |
| .VEL | Sound Velocity files | Data Format | |
| .WPT | Waypoints files | Data Format | |
| .XPT | Transponders files | Data Format | |
| ° | Degree(s) | Expression | |
| µg | Microgram | Specification / measurement | |
| 2D | Two Dimensional | General | |
| 3D | Three Dimensional | General | |
| A | Approval | Documents / Contracts | |
| A&R | Abandonment & Recovery | Operations Engineering | |
| AC | Alternating Current | Electrical General | |
| ADCP | Acoutic Doppler Current Profiler | Equipment Survey Subsea | |
| Adj | Adjacent seabed | ADJ | Survey pipeline |
| ADM | ADministration Manager | Personnel | |
| ADVL | Acoustic Doppler Velocity Log | Equipment Survey Subsea | |
| AEVS | AllsEas Vessel Superintendent | Personnel | |
| AFE | Approved For Enquiry | Documents / Contracts | |
| AFEF | Atlantic Frontier Environmental Forum | Governing Bodies | |
| AFEN | Atlantic Frontier Environmental Network | Governing Bodies | |
| AG | Associated Gas | General | |
| AGI | Above Ground Installation | Plant | |
| AHVMS | Anchor Handling Vessel Management System | TMS | Survey Positioning |
| ALARP | As Low As Reasonably Practical | Expression | |
| AN | ANodes | Event, Anodes | |
| ANSI | American National Standards Institute | Governing Bodies | |
| APC | Allseas Pipelines Contractors S.A | Company | |
| API | American Petroleum Institute | Governing Bodies | |
| ARCS | Admiralty Raster Chart Service | Survey Positioning | |
| ASA | Advanced Safety Audits | Health safety & Environment | |
| ASAP | As Soon As Possible | Expression | |
| As-backfilled | Survey or report of post backfilled condition (second word always lowercase) | Documents / Contracts | |
| As-built | Survey or report of final constructed condition (second word always lowercase) | Documents / Contracts | |
| ASCII | American Standard Code for Information Interchange | Data Format | |
| ASCOBANS | Agreement on the Conservation of Small Cetaceans, Baltic and North Seas 1991 | Documents / Contracts | |
| As-laid | Survey or report of initial installed condition (second word always lowercase) | Documents / Contracts | |
| ASME | American Society of Mechanical Engineers | Governing Bodies | |
| ASTM | American Standards for Testing Materials | Specification / measurement | |
| As-trenched | Survey or report of post trenched condition (second word always lowercase) | Documents / Contracts | |
| ASV | Assumed Seismic Velocity | Geophysical | |
| ATS | (Nautronix) | Equipment Survey Subsea | |
| AUV | Automonous Underwater Vehicle | Equipment Survey Subsea | |
| AWS | American Welding Society | Governing Bodies | |
| B&R | Brown and Root | Company | |
| B&W | Black and White | General | |
| BA | Buckle Arrestor | Event, Pipeline features | |
| bara | Unit of pressure (Bar absolute) | Specification / measurement | |
| barg | Unit of pressure (Bar gauge) | Specification / measurement | |
| BD | BoulDer | Event, Seabed Feature | |
| BE | Burial End | Event, Seabed Feature | |
| BG | Base Engineer | BE | Personnel |
| BGE | Bord Gais Eireann | Company | |
| BGS | British Geological Survey | Governing Bodies | |
| BGTTL | British Gas Trinidad and Tobago Limited | Company | |
| BI | BItumen mattress | BM | Event, Remedial Works |
| BL | Bare metaL | BM | Event, Weightcoat Damage |
| BM | Bench Mark | Survey Cadastral | |
| BN | BeNd | BB | Event, Pipeline features |
| BOP | Bottom Of Pipe | Engineering Pipeline | |
| BOT | Bottom Of Trench | Engineering Pipeline | |
| BPA | BP Amoco | Company | |
| BPEO | Best Practicable Environmental Option | Health safety & Environment | |
| BRES | Brown and Root Energy Services | Company | |
| BS | British Standard | Quality Assurance / Control | |
| BSB | Below Seabed | Survey Positioning | |
| BSi | Both Sides | BS | General |
| BSt | Burial Start | BS | Event, Seabed Feature |
| BST | British Summer Time | Time | |
| BSTS | Better Safe Than Sorry | General | |
| BTB | Back To Business | General | |
| BU | Business Unit (Operating) | General | |
| BX | Bitumen eXposed | BE | Event, Weightcoat Damage |
| CA | Certification Agency | Governing Bodies | |
| CAD | Computer Aided Design | Drawing | |
| CAO | Computer Assisted Operations | General | |
| CAP | Civil Aviation Publication | Governing Bodies | |
| CAPEX | Capital Expenditure | General | |
| Capt | Captain | Personnel | |
| CAR | Corrective Action Requests | Procedures | |
| CCP | Central Compression Plant | Plant | |
| CCTV | Closed Circuit TV | General | |
| CE | Crown exposure End | Event, Seabed Feature | |
| CEP | Condensate Export Pipeline | Engineering Pipeline | |
| CET | Central European Time | Time | |
| CFR | Code of Federal Regulations (USA) | Specification / measurement | |
| CGBS | Concrete Gravity Base Structure | Engineering Facility | |
| CGS | Concrete Gravity Structure | Engineering Facility | |
| CH4 | Methane | Natural Resource Type | |
| ChEl | Chief Electrician | CE | Personnel |
| CHIP | Chemical Hazard Information for Packaging and Supply | Health safety & Environment | |
| CIT | Drawing file format | Drawing | |
| CITES | Convention on the International Trade in Endangered Species | Governing Bodies | |
| CL | Center Line | Drawing | |
| CM | Canvass Mattress | Event, Remedial Works | |
| CMG | Course Made Good | Vessel General | |
| Cmpt | Compatt | Equipment Survey Subsea | |
| Co | Coral | CL | Event, Seabed Feature |
| CO | Carbon monoxide | Natural Resource Type | |
| CO | Commanding Officer | Personnel | |
| C-O | Calculated minus Observed | General | |
| CO2 | Carbon dioxide | Natural Resource Type | |
| CoG | Centre of Gravity | Engineering Design | |
| COILS | Computerised Offshore Inspection Logging System | Survey Positioning | |
| Comms | Communications | Operations General | |
| Comp | Compensator | COMP | Equipment Vessel |
| Coords | Coordinates | Survey Cadastral | |
| COSHH | Control Of Substances Hazardous to Health | Health safety & Environment | |
| CP | Center Point | Engineering Design | |
| cP | (measure of viscosity) | Specification / measurement | |
| CPF | Central Production Facility | Plant | |
| CPlR | Continuous Plankton Recorder | CPR | Health safety & Environment |
| CPn | Corrosion Protection | CP | Engineering Pipeline |
| CPP | Cathodic Potential Probe | Equipment Project | |
| CPR | Cathodic Protection Readings | Engineering Pipeline | |
| CPT | Cone Penetration Test | Equipment Survey Subsea | |
| Cr | Cracking | Event, Weightcoat Damage | |
| CRI | Cuttings Re-injection System | Engineering General | |
| CRP | Common Reference Point | Survey Vessel | |
| CS | Crown exposure Start | Event, Seabed Feature | |
| CSPT | Cooling Spool Protection Trough | Engineering Facility | |
| CSV | Comma delimited file format | Data Format | |
| CTD | Conductivity/Temperature/Density (Probe) | Equipment Survey Subsea | |
| CV | Curriculum Vitae | Personnel | |
| CVP | Capital Value Process | General | |
| CZCS | Coastal Zone Colour Scanner | Health safety & Environment | |
| D.ms | Degrees decimal minutes and seconds | Survey Positioning | |
| DB | DeBris | Event, Debris | |
| DCC | Distance Cross Course | Survey Positioning | |
| DCS | Distributed Control System | Engineering Facility | |
| DEMOB | DEMOBilisation | Documents / Contracts | |
| DEP | Design and Engineering Practices | Governing Bodies | |
| DEPCON | Deposit Consent | Documents / Contracts | |
| DETR | Department of Environment, Transport and the Regions (UK) | Governing Bodies | |
| DGPS | Differential Global Positioning System | Survey Positioning | |
| DHSS | Dual Head Scanning Sonar | Equipment Survey Subsea | |
| DHSV | Down Hole Shutdown Valve | Engineering General | |
| DIN | Deutsche Institut fur Normung | Governing Bodies | |
| DISCON | Discharge Consent | Documents / Contracts | |
| DL | Direct on Line | DOL | Survey Vessel |
| dLat | difference Latitude (d,m,s between two latitude positions) | Survey Cadastral | |
| dLong | difference Longitude (d,m,s between two longitude positions) | Survey Cadastral | |
| DMA | Dead Man Anchor | Equipment Project | |
| DNV | Det Norske Veritas | DnV | Governing Bodies |
| DO | Duty Officer | Personnel | |
| DoC | Depth of Cover (bottom of trench to top of pipe) | DOC | Survey Positioning |
| DoL | Depth of Lowering (mean natural seabed level to top of pipe) | DOL | Survey Positioning |
| DOM | Drawing Office Manager | Personnel | |
| DOP | Dilution Of Position | Survey Positioning | |
| DoT | Department of Transport (UK) | Governing Bodies | |
| DP | Dynamic Positioning | Equipment Vessel | |
| DPO | Dynamic Positioning Operator | Personnel | |
| DPR | Daily Progress Report | Documents / Contracts | |
| DPRes | Department of Petroleum Resources | DPR | Governing Bodies |
| DPV | Dynamic Positioned Vessel | Vessel Type | |
| Dqz | Digiquartz | DQZ | Equipment Multi Use |
| DR | Drum | Event, Debris | |
| DSND | Det Sondenfjelds-Norske Dampskibsselskab | Company | |
| DSV | Dive Support Vessel | Vessel Type | |
| DTI | Department of Trade and Industry (UK) | Governing Bodies | |
| DTM | Digital Terrain Model | Data Format | |
| DTX-GEM | SPDC Geomatics Department | Department | |
| dX | Delta X | Survey Positioning | |
| DXF | Drawing Exchange Format (Autocad) | Drawing | |
| dY | Delta Y | Survey Positioning | |
| dZ | Delta Z | Survey Positioning | |
| E | Easting | Survey Positioning | |
| E | East | Survey Positioning | |
| EA | Environmental Assessment | Health safety & Environment | |
| EC | European Community | Country / Sea Area | |
| ECom | European Commission | EC | Governing Bodies |
| ED | European Datum | Survey Cadastral | |
| EDMS | Electronic Documentation Management System | Documents / Contracts | |
| EE | Exposure end | Event, Seabed Feature | |
| EHF | Extra High Frequency | Equipment Survey Subsea | |
| EHFI | Extra High Frequency Intelligent (Compatt) | Equipment Survey Subsea | |
| EI | Environmental Instructions | Procedures | |
| EIA | Environmental Impact Assessment | Health safety & Environment | |
| Elec | Electrician | Personnel | |
| EMAS | Eco Management and Audit Scheme (EC) | Governing Bodies | |
| EMS | Environmental Management System | Procedures | |
| ENE | East North East | Survey Positioning | |
| Eng | Engineer | Personnel | |
| ENVIID | Environmental Impact Identification | Health safety & Environment | |
| EOC | Emergency Operations Centre | Health safety & Environment | |
| EOR | Enhanced Oil Recovery | Expression | |
| EoS | East of Shetland | Country / Sea Area | |
| EPAQS | Expert Panel on Air Quality Standards (UK) | Governing Bodies | |
| EPIC | Engineering, Procurement, Installation and Commissioning | General | |
| EPSG | European Petroleum Survey Group | Governing Bodies | |
| ER | Emergency Response | Health safety & Environment | |
| ERC | Emergency Response Center | Health safety & Environment | |
| ERT | Environment and Resource Technology | Health safety & Environment | |
| ES | Exposure start | Event, Seabed Feature | |
| ESAS | European Seabirds At Sea | Health safety & Environment | |
| ESD | Emergency Shutdown | Procedures | |
| ESDV | Emergency Shutdown Valve | Plant | |
| ESE | East South East | Survey Positioning | |
| ESi | East Side | ES | General |
| ESOP | Electrical Safety Operational Procedures | Procedures | |
| ESR | Electrical Safety Rules | Governing Bodies | |
| ESRm | Emergency Support Room | ESR | Health safety & Environment |
| ESt | Environmental Statement | ES | Health safety & Environment |
| ETA | Estimated Time of Arrival | Operations General | |
| ETD | Estimated Time of Departure | Operations General | |
| EU | European Union | Governing Bodies | |
| F&G | Fire and Gas | General | |
| FA | Flaking | FL | Event, Weightcoat Damage |
| FCA | Failure Characteristics Analysis | Engineering Design | |
| FE | Freespan end | Event, Seabed Feature | |
| FEED | Front End Engineering and Design | Engineering Design | |
| FEPA | Federal Environmental Protection Agency | Governing Bodies | |
| FFT | Fast Fourier Transform | Survey Cadastral | |
| FG | Fishing gear | Event, Debris | |
| FGr | Field Gradient | FG | Engineering Pipeline |
| Fig | Figure | General | |
| FIREPRAN | Fire Protection Analysis | Engineering Design | |
| FJ | Fieldjoint | Event, Pipeline features | |
| FL | Flange | Event, Pipeline features | |
| FLAGS | Far North Liquids and Gas Gathering System (BPAmoco UK) | Expression | |
| Flt | Face Left | FL | Engineering Design |
| FM | Frond Mattress | Event, Remedial Works | |
| FMEA | Failure Modes and Effects Analysis | Engineering Design | |
| FMJ | Fabrication Measurement Jig | Equipment Project | |
| FOF-FOF | Face Of Flange to Face Of Flange distance. | Engineering Design | |
| FPROV | FallPipe Remotely Operated Vehicle | Equipment Survey Subsea | |
| FPSO | Floating Production Storage and Off-loading | Plant | |
| FRP | Fibre Reinforced Plastic | Materials | |
| Frt | Face Right | Engineering Design | |
| FS | Freespan start | Event, Seabed Feature | |
| FSA | Formal Safety Assessment | Health safety & Environment | |
| FTA | Flowline Termination Assembly | PLEM | Engineering Facility |
| F-Test | Check of the unit variance of the GPS pseudorange solution. | Survey Positioning | |
| FYI | For Your Information | Expression | |
| GA | General Arrangement | Vessel Management | |
| GAn | Gravity Anchor | Equipment Project | |
| GASS-T | Gas Transport (Statoil) | General | |
| GB | Grout bags | Event, Remedial Works | |
| GC | Gravity Corer | Equipment Survey Subsea | |
| GCh | Gas Chromatography | GC | Specification / measurement |
| GCMP | Global Crisis Management Plan | Health safety & Environment | |
| GCR | Geological Conservation Review | Procedures | |
| Gdop | Geometric dilution of precision | GDOP | Survey Positioning |
| GEP | Gas Export Pipeline | Engineering Pipeline | |
| GHSER | Getting HSE Right | Expression | |
| GI | General Instructions | Procedures | |
| GIS | Graphic Information System | General | |
| GLR | Generalised Likelihood Ratio test | Survey Positioning | |
| GM | Grout mattress | Event, Remedial Works | |
| GMT | Greenwich Mean Time | General | |
| GOM | Gulf Of Mexico | Country / Sea Area | |
| GOR | Gas to Oil Ratio | Engineering Design | |
| GPS | Global Positioning System | Survey Positioning | |
| GTS | Group Technical Support | Department | |
| GUI | Graphic User Interface | Equipment Computing | |
| GWP | Global Warming Potential | Health safety & Environment | |
| H | Hold | Documents / Contracts | |
| H | Hours (times expressed hh mm eg 1245h) | General | |
| H0 | Null Hypothesis | Survey Positioning | |
| H2S | Hydrogen Sulphide | Natural Resource Type | |
| HAT | Highest Astronomical Tide | Tidal Data | |
| HAZID | HAZard IDentification | Health safety & Environment | |
| HAZOP | HAZards and OPerability review | Health safety & Environment | |
| HCC | Health Care Contracts | Health safety & Environment | |
| Hdop | Height dilution of position | Survey Positioning | |
| Heliops | Helicopter operations | Procedures | |
| HF | High Frequency | Equipment Survey Subsea | |
| HiPAP | High Precision Acoustic Positioning | Equipment Survey Subsea | |
| HIPC | Hydrogen Induced Pressure Cracking | Procedures | |
| HIPPS | High Integrity Pressure Protection System | Equipment Survey Subsea | |
| HM | Her Majesties (UK e.g. HM Customs) | Governing Bodies | |
| HMCG | Her Majestys Coastguard (UK) | Governing Bodies | |
| HOCNF | Harmonised Offshore Chemical Notification Format | Specification / measurement | |
| HP | Horse Power | General | |
| HPd | Hewlett Packard | HP | Equipment Computing |
| HPI | High Potential Incidents | Health safety & Environment | |
| HPR | Hydroacoustic Positioning Reference | Equipment Survey Subsea | |
| HPU | Hydraulic Power Unit (ROV) | Equipment Survey Subsea | |
| HS | Halliburton Subsea | Company | |
| HSE | Health safety & Environmental | HS&E | Health safety & Environment |
| HSEMS | Health, safety & Environmental Management System | Health safety & Environment | |
| HSEx | Health and Safety Executive (UK) | HSE | Health safety & Environment |
| HT | Hot Tap | Engineering Pipeline | |
| HVAC | Heating, Ventilation and Air Conditioning | Plant | |
| Hw | High wastage | HW | Event, Anodes |
| HW | High Water | Tidal Data | |
| HWM | High Water Mark | Tidal Data | |
| I/O | Input / Output | Equipment Computing | |
| IADC | International Association of Drilling Contractors | Governing Bodies | |
| IAW | In Accordance With | Expression | |
| IBIS | Inspection Based Information System (Shell) | Inspection Test Maintenance | |
| ICES | International Council for the Exploration of the Sea | Governing Bodies | |
| ICPC | International Cable Protection Committee | Governing Bodies | |
| ID | Inside Diameter | Engineering Design | |
| IDC | In Due Course | Expression | |
| IE | Intermittent Exposure end | Event, Seabed Feature | |
| IHO | International Hydrographic Organisation | Governing Bodies | |
| IMCA | International Marine Contractors Association | Governing Bodies | |
| IMDG | International Maritime Dangerous Goods code | Governing Bodies | |
| IMO | International Maritime Organisation | Governing Bodies | |
| IOE | Institute of Offshore Engineering | Training and Education | |
| IP | Intersection Point | Engineering Design | |
| IPC | Integrated Pollution Control | Procedures | |
| IPF | Instrumented Protective Function | Engineering Design | |
| IPPC | Integrated Pollution Prevention and Control | Procedures | |
| IRM | Inspection Routine Maintenance ???? | Inspection Test Maintenance | |
| IS | Intermittent Exposure start | Event, Seabed Feature | |
| ISA | Infectious Salmon Anaemia | Chemical / Biological | |
| ISM | International Safety Management | Governing Bodies | |
| ISO | International Standards Organisation | Governing Bodies | |
| Isos | Isometrics | ISOs | General |
| ITA | In Line Tee Assembly | Engineering Facility | |
| ITP | Inspection Test Plan | Procedures | |
| J | Joules | Expression | |
| JNCC | Joint Nature Conservation Committee (UK) | Governing Bodies | |
| KIMO | Local Authorities International Environmental Organisation | Governing Bodies | |
| km | Kilometre | Specification / measurement | |
| Km | Kilometre (s) | Expression | |
| KP | Kilometre Post | Engineering Design | |
| LARS | Launch and Recovery System | Equipment Vessel | |
| Lat | Latitude | LAT | Survey Positioning |
| LAT | Lowest Astronomical Tide | Tidal Data | |
| LBL | Long Baseline | Equipment Survey Subsea | |
| LF | Low Frequency | Equipment Survey Subsea | |
| LGDB | Lift gas distribution Box | Engineering Facility | |
| LL | Linklok mattress | Event, Remedial Works | |
| LLWS | Lowest Low Water Springs | Tidal Data | |
| LM | Lateral movement | Event, Seabed Feature | |
| LMT | Local Management Team | Management | |
| LNG | Liquefied Natural Gas | Natural Resource Type | |
| Long | Longitude | Survey Positioning | |
| LOP | Line Of Position | Survey Positioning | |
| LP | Low Pressure | General | |
| LPG | Liquefied Petroleum Gas | Natural Resource Type | |
| LRFD | Load Resistance Factor Design | Engineering Design | |
| LRQA | Lloyds Register Quality Assurance | Governing Bodies | |
| LRS | Lloyds Register of Shipping | Governing Bodies | |
| LS | Least Squares | Survey Positioning | |
| LSAS | Low Specific Activity Scale | Procedures | |
| LSA | Low Specific Activity | Procedures | |
| LTI | Lost Time Injury | Health safety & Environment | |
| LTI | Lost Time Incident | Health safety & Environment | |
| LTIF | Lost Time Incidence Frequency | Health safety & Environment | |
| LUSBL | Low frequency Ultra Short BaseLine | Equipment Survey Subsea | |
| Lw | Low wastage | LW | Event, Anodes |
| LW | Low Water | Tidal Data | |
| LWM | Low Water Mark | Tidal Data | |
| M | Monitor | Equipment Computing | |
| m | Metre | Specification / measurement | |
| M | Metre(s) | Expression | |
| MAF | Ministry of Agriculture and Fisheries (NZ) | Governing Bodies | |
| MAFF | Ministry of Agriculture Fisheries and Food (UK) | Governing Bodies | |
| MARPOL | The International Convention for the Prevention of Pollution from Ships, 1973 | Governing Bodies | |
| Max | Maximum | MAX | General |
| MBE | Multibeam Echo Sounder (Seabat) | Equipment Survey Subsea | |
| MBES | Multi Beam Echo Sounder | Equipment Survey Subsea | |
| MCA | Maritime and Coastguard Agency (UK) | Governing Bodies | |
| MCPT | Miniature Cone Penetration Test | Equipment Survey Subsea | |
| MDDR | Main Document and Drawing Register | Documents / Contracts | |
| MDE | Marginally Detectable Error | Survey Positioning | |
| Med | Mediterranean Sea | Country / Sea Area | |
| MEG | MonoEthylene Glycol | Natural Resource Type | |
| MF | Medium Frequency | Equipment Survey Subsea | |
| mg | Milligram | Specification / measurement | |
| MHWN | Mean High Water Neaps | Tidal Data | |
| MHWS | Mean High water Springs | Tidal Data | |
| MI | Miscible Injectant | Chemical / Biological | |
| Mid Belt | Nigerian Mid Belt Projection System | Plant | |
| MIF | Mattress Installation Frame | Equipment Vessel | |
| Min | Minimum | MIN | General |
| ML | Mean Level | Tidal Data | |
| MLWN | Mean Low Water Neaps | Tidal Data | |
| MLWS | Mean Low Water Springs | Tidal Data | |
| mm | Millimetre | Specification / measurement | |
| MMS | Minerals Management Services (USA) | Governing Bodies | |
| MMS | Maintenance Management System | Procedures | |
| MNCR | Marine Nature Conservation Review | Documents / Contracts | |
| MOB | Mobilisation | Documents / Contracts | |
| Mon | Monitor | MON / M | Equipment Computing |
| MOPO | Manual of Permitted Operations | Procedures | |
| MPR | Monthly Progress Report | Operations General | |
| MR | Maximum Range | Tidal Data | |
| MRCC | Maritime Rescue Co-ordination Centre | Health safety & Environment | |
| MRDGPS | Multi-Reference Differential Global Positioning System | Survey Positioning | |
| MRP | Maintenance Reference Plan | Procedures | |
| MRU | Motion Reference Unit | Equipment Vessel | |
| Ms | Millisecond(s) | Expression | |
| Ms-1 | Metres per second | Expression | |
| MSB | Mean Sea Bed | Survey Positioning | |
| MSBL | Mean Sea Bed Level | Survey Positioning | |
| MSL | Mean Sea Level | Tidal Data | |
| MSR | Maintenance Strategy Review | Procedures | |
| MTBF | Mean Time Between Failures | Engineering Design | |
| MTI | Medical Treatment Injury | Health safety & Environment | |
| MTO | Material Take Off | Materials | |
| MV | Motor Vessel | Vessel Type | |
| MV | Motor Vessel | Vessel Type | |
| MVP | Maximising Value-added Performance | Management | |
| Mw | Medium wastage | MW | Event, Anodes |
| MW | Megawatt | Specification / measurement | |
| MWS | Marine Warranty Surveyor | Personnel | |
| N | Northing | Survey Positioning | |
| N | North | Survey Positioning | |
| N2O | Nitrogen | Chemical / Biological | |
| NACE | National Association of Corrosion Engineers (UK) | Governing Bodies | |
| NAD27 | North American Datum 1927 | Survey Cadastral | |
| NAD83 | North American Datum 1983 | Survey Cadastral | |
| NAFC | North Atlantic Fisheries College | Governing Bodies | |
| NAG | Non-Associated Gas | General | |
| NAPIMS | National Petroleum Investment Management Services | Governing Bodies | |
| NAV | Navigation | Survey Positioning | |
| NCR | Nature Conservation Review (UK) | Documents / Contracts | |
| NCR | Non Conformance Report | Procedures | |
| NDE | Non-Destructive Examination | Inspection Test Maintenance | |
| NDT | Non-Destructive Testing | Specification / measurement | |
| NE | North East | Survey Positioning | |
| NEC | No Effect Environmental Concentration | Health safety & Environment | |
| NES | Northern Export System (BPAmoco UK) | Engineering Facility | |
| ng | Nanogram | Specification / measurement | |
| NHHW | Neap High High Water | Tidal Data | |
| NHLW | Neap Higher Low Water | Tidal Data | |
| NLGP | Northern Leg Gas Pipeline (BPAmoco UK) | Engineering Facility | |
| NLHW | Neap Lower High Water | Tidal Data | |
| NLLW | Neap Lower Low Water | Tidal Data | |
| NLNG | Nigerian Liquefied Natural Gas Company | Company | |
| Nm | Nautical miles (1852 m) | nm | Specification / measurement |
| NMO | Nigerian Maritime Organisation | Governing Bodies | |
| NMVOC | Non Methane Volatile Organic Carbon | Chemical / Biological | |
| NNE | North North East | Survey Positioning | |
| NNPC | Nigerian National Petroleum Corporation | Company | |
| NNR | National Nature Reserve (UK) | Health safety & Environment | |
| NNW | North North West | Survey Positioning | |
| NOx | Oxides of nitrogen | Chemical / Biological | |
| NPD | Naphthalenes, Phenanthrenes and Dibenzothiophenes | Chemical / Biological | |
| NS | North Sea | Country / Sea Area | |
| NSA | National Scenic Area (UK) | Health safety & Environment | |
| NSCMA | North Sea Cable Marine Agreement | Governing Bodies | |
| NSi | North Side | NS | General |
| NSTF | North Sea Task Force | Governing Bodies | |
| NTM | Nigerian Transverse Mercator | Survey Positioning | |
| NUI | Normally Unattended Installations | Plant | |
| NW | North West | Survey Positioning | |
| OAS | Obstacle Avoidance Sonar | Equipment Survey Subsea | |
| OC | Ops Controller | Personnel | |
| OCNS | Offshore Chemical Notification Scheme | Procedures | |
| OD | Outside Diameter | Engineering Design | |
| OE | End of outcrop | Event, Seabed Feature | |
| OEM | Original Equipment Manufacture | Company | |
| OGGS | Offshore Gas Gathering System | Project Name | |
| OH | Other hard debris | Event, Debris | |
| OIM | Offshore Installation Manager | Personnel | |
| OM | Operations Manager | Personnel | |
| OML | Oil Mining Lease | Governing Bodies | |
| OOS | Out of Straightness | Survey Type | |
| Op | Operational | Operations General | |
| OPEX | Operating Expenditure | General | |
| OPL | Oil Prospecting Licence | Governing Bodies | |
| OPRC | International Convention on Oil Pollution Preparedness Response and Co-operation | Governing Bodies | |
| OPRU | Oil Pollution Research Unit (UK) | Health safety & Environment | |
| OPT | Optical | General | |
| OR | On Receipt | General | |
| OS | Other soft debris | Event, Debris | |
| OSA | Operating Services Agreement | Documents / Contracts | |
| OSCP | Oil Spill Contingency Plan | Procedures | |
| OSHA | Occupational safety & Health Association | Governing Bodies | |
| OSU91A | Geoid model published by Ohio State University | Survey Positioning | |
| OTF | On The Fly | Survey Cadastral | |
| OU | Other unspecified | Event | |
| OVI | Oil Vulnerability Index | Specification / measurement | |
| P&ID | Piping and Instrument Diagram | Engineering Design | |
| Pac | Pacific | Country / Sea Area | |
| PAH | Polycyclic Aromatic Hydrocarbons | Chemical / Biological | |
| PC | Personal Computer | Equipment Computing | |
| PCB | Poly Chlorinated Biphenyls | Chemical / Biological | |
| pce | piece | pc | General |
| PCF | Permit Control Facility | Operations General | |
| PCh | Party Chief | PC | Personnel |
| PCPT | Piezo-Cone Penetration Test | Equipment Survey Subsea | |
| PCZ | Preferred Conservation Zone | Health safety & Environment | |
| PD | Physical damage | Event, Weightcoat Damage | |
| Probability Density Function | Survey Positioning | ||
| Pdop | Point dilution of position | Survey Positioning | |
| PDOP | Positional Dilution of Precision | Survey Positioning | |
| PEC | Predicted Environmental Concentration | Health safety & Environment | |
| PF | Pipeline Features | Event, Pipeline features | |
| PFD | Process Flow Diagram | Engineering Design | |
| PFL | Production Flowline | Engineering Pipeline | |
| PIMS | Pipeline Integrity Monitoring System | Procedures | |
| PIN | Personal Identification Number | General | |
| PIP | Pipe In Pipe | Engineering Pipeline | |
| PL | Product Line | Engineering Pipeline | |
| PLEM | PipeLine End Module (or Manifold) | FTA / PTS | Engineering Facility |
| PLES | PipeLine End Sled | Engineering Facility | |
| Plfm | Platform | Engineering Facility | |
| PLRS | Post Lay Rock dumping Survey | Survey Type | |
| PLUM | Pipeline Umbilical Manifold | Engineering Facility | |
| PLV | Pipelay Vessel | Vessel Type | |
| PM | Project Manager | Personnel | |
| PMR | Planned Maintenance Routine | Inspection Test Maintenance | |
| PMT | Pipeline Measuring Tool | Equipment Project | |
| POB | Personnel on Board | Vessel Management | |
| PON | Petroleum Operations Notice | Regulation / order | |
| POPA | Prevention of Oil Pollution Act 1971 | Legal Requirement | |
| POPM | Production Operating Procedure Manual | Procedures | |
| Pos | Position | Survey Positioning | |
| PP | Pipeline Protection cover | PC | Event, Pipeline features |
| PPE | Personal Protective Equipment | Health safety & Environment | |
| ppm | Parts per million | Specification / measurement | |
| PPR | People Performance and Results | Management | |
| ppt | Parts per thousand | Specification / measurement | |
| Pre-lay | Survey or report of pre installation condition (second word always lowercase) | Documents / Contracts | |
| Proc | Procedure | Procedures | |
| PT | Protection Trough | Engineering Facility | |
| PTW | Permit to Work | Documents / Contracts | |
| PWA | Pipeline Works Authorisation | Regulation / order | |
| QA | Quality Assurance | Inspection Test Maintenance | |
| QA/QC | Quality Assurance/ Quality Control | Inspection Test Maintenance | |
| QACP | Quality Assessment and Control Programme | Quality Assurance / Control | |
| QC | Quality Control | Inspection Test Maintenance | |
| QC | Quality Control | Quality Assurance / Control | |
| QHSE | Quality, Health, Safety & Environment | Health safety & Environment | |
| QRA | Quantitative Risk Analysis | Documents / Contracts | |
| R | Raise Document | Documents / Contracts | |
| R&D | Research and Development | Department | |
| RB | Rebar exposed | RE | Event, Weightcoat Damage |
| RCDS | Raster Chart Display Systems | Survey Positioning | |
| RCM | Reliability Centred Maintenance | Inspection Test Maintenance | |
| RD | Rockdump | Event, Remedial Works | |
| RE | Rockdump end | Event, Remedial Works | |
| Resp | Responder | Equipment Survey Subsea | |
| RG | Rope groove | Event, Weightcoat Damage | |
| RHS | Radian Health and Safety database | Health safety & Environment | |
| RIDDOR | Reporting of Injuries, Diseases and Dangerous Occurances Regulations | Health safety & Environment | |
| RIS | Riser | RS | Event, Pipeline features |
| RMM | Retrievable Manifold Module | Engineering Facility | |
| RO | Rock outcrop | Event, Seabed Feature | |
| Rot X | Rotation X | Survey Positioning | |
| Rot Y | Rotation Y | Survey Positioning | |
| Rot Z | Rotation Z | Survey Positioning | |
| ROTV | Remotely Operated Towed Vehicle | Equipment Survey Subsea | |
| ROV | Remotely Operated Vehicle | Equipment Survey Subsea | |
| ROW | Right Of Way | Legal Requirement | |
| RP | Recommended Practice | Documents / Contracts | |
| RPC | Risk Priority Code | Health safety & Environment | |
| RS | Rockdump start | Event, Remedial Works | |
| RSPB | Royal Society for the Protection of Birds (UK) | Governing Bodies | |
| RSS | Racal Survey (Singapore) Pte Ltd | Company | |
| RTK | Real Time Kinematic | Survey Cadastral | |
| RVD | ROV Department | RD | Department |
| RW | Remedial Works | Event, Remedial Works | |
| RWC | Restricted Work Cases | Health safety & Environment | |
| Rx | Receive | RX | General |
| S | South | Survey Positioning | |
| s/n | Serial Number | SNo | General |
| SA | Selective Availability (GPS) | Survey Positioning | |
| SAC | Special Area of Conservation (c = candidate, p = proposed) | Health safety & Environment | |
| SAF | Safety Officer | Personnel | |
| SAFOP | safety & Operability Studies | Health safety & Environment | |
| SAST | Seabirds At Sea Team (UK) | Health safety & Environment | |
| SAT | Safety Analysis Table | Health safety & Environment | |
| SB | Sand/Gravel bags | Event, Remedial Works | |
| SB | Sea Bed | General | |
| SBL | Sea Bed Level | Survey Positioning | |
| SBM | Single Buoy Mooring | Engineering Facility | |
| SBP | Sub-Bottom Profiler | Equipment Survey Subsea | |
| SbP | Standby in Port | Operations General | |
| SbS | Standby at Sea | Operations General | |
| Sby | Standby | Operations General | |
| SC | Scour | Event, Seabed Feature | |
| SCADA | Supervisory Control and Data Acquisition | Operations General | |
| SCAR | Safety Corrective Action Requests | Health safety & Environment | |
| SCFD | Standard Cubic Feet per Day | Engineering Design | |
| SCS | Stolt Comex Seaway | Company | |
| SD | Standard Deviation | Survey Positioning | |
| SDA | Subsea Distribution Assembly | Engineering Facility | |
| SDAQC | Seateam Data Acquisition and Quality Control | Quality Assurance / Control | |
| SDRS | Supplier Data Requirements Schedule | Documents / Contracts | |
| SDS | Safety Data Sheet | Health Safety & Environment | |
| Se | Sidebank Exposure end | Event, Seabed Feature | |
| SE | South East | Survey Positioning | |
| SEPA | Scottish Environmental Protection Agency | Governing Bodies | |
| SERAD | Scottish Executive Rural Affairs Department | Governing Bodies | |
| SF | Seabed Feature | Event, Seabed Feature | |
| SFPO | Scottish Fish Producers Organisation | Governing Bodies | |
| SHE | Safety, Health and Environment | Health Safety & Environment | |
| SHHW | Spring High High Water | Tidal Data | |
| SHLW | Spring Higher Low Water | Tidal Data | |
| SI | Statutory Instruments | Governing Bodies | |
| SIC | Shetland Islands Council | Governing Bodies | |
| SIF | Subsea Installation Frame (Allseas) | Equipment Project | |
| SIMOPS | SIMultaneous OPerationS | Operations General | |
| SIns | Safety Instructions | SI | Procedures |
| SIT | Silicon Intensified Target (camera) | Equipment Survey Subsea | |
| SIT | Systems Integration Test | Inspection Test Maintenance | |
| SITRAS | Statoils Inspeksjons og Tilstands RApporterings System | Procedures | |
| SL | Scaffold | SC | Event, Debris |
| SLHW | Spring Lower High Water | Tidal Data | |
| SLLW | Spring Lower Low Water | Tidal Data | |
| SM | Survey Manager | Personnel | |
| SMG | Speed Made Good | Vessel General | |
| SNASU | Situation Normal All Screwed Up | General | |
| SNEPCO | Shell Nigeria Exploration and Production Comnpany Limited | Company | |
| SNH | Scottish Natural Heritage | Governing Bodies | |
| SNo | Serial Number | General | |
| SNR | Signal to Noise Ratio | Specification / measurement | |
| SO | Start of outcrop | OS | Event, Seabed Feature |
| SO2 | Sulphur dioxide | Chemical / Biological | |
| SOAEFD | Scottish Office, Agriculture, Environment and Fisheries Department | Governing Bodies | |
| SOLAS | Safety of Life at Sea (International Convention for) | Health Safety & Environment | |
| SOMS | Survey Operations Management System | Procedures | |
| SOPEP | Shipboard Oil Pollution Emergency Plan | Procedures | |
| SOTEAG | Shetland Oil Terminal Environmental Advisory Group | Governing Bodies | |
| SOW | Scope of Work | Documents / Contracts | |
| SOx | Oxides of Sulphur | Chemical / Biological | |
| SP | Spalling | Event, Weightcoat Damage | |
| SPA | Special Protection Area | Health Safety & Environment | |
| SPac | South Pacific | Country / Sea Area | |
| SPDC | Shell Petroleum Development Company of Nigeria Limited | Company | |
| SPEX | Shell Philippines Exploration BV | Company | |
| SPIR | Spare Parts Interchangeability Record | Inspection Test Maintenance | |
| SPM | Single Point Mooring | Vessel General | |
| SR | Soft rope | Event, Debris | |
| SRB | Sulphate Reducing Bacteria | Chemical / Biological | |
| SS | Sidebank Exposure start | Event, Seabed Feature | |
| SSBL | Super Short Baseline | Equipment Survey Subsea | |
| SSCC | Sulphide Stress Corrosion Cracking | Inspection Test Maintenance | |
| SSE | South South East | Survey Positioning | |
| SSi | South Side | SS | General |
| SSIV | Sub Sea Isolation Valve (Sub Sea Intervention Valve) | Engineering Pipeline | |
| SSMA | Sub-Sea Manifold Assembly | Engineering Facility | |
| SSOL | SubSea Offshore Limited | Company | |
| SSS | Side Scan Sonar | Equipment Survey Subsea | |
| SSSI | Site of Special Scientific Interest | Health Safety & Environment | |
| SSW | South South West | Survey Positioning | |
| Supt | Superintendent | Personnel | |
| Sv | Satellites (GPS) | SV, SV's, Sv's | Survey Positioning |
| SVP | Sound Velocity Probe | Equipment Survey Subsea | |
| SVT | Sullom Voe Terminal (BPAmoco UK) | Engineering Facility | |
| Sw | Swathe (bathymetry) | Equipment Survey Subsea | |
| SW | South West | Survey Positioning | |
| SWL | Safe Working Load | Engineering Design | |
| SyIT | System Integration Testing | SIT | Inspection Test Maintenance |
| TA | Tarpaulin | Event, Debris | |
| TAC | Total Allowable Catch | Regulation / order | |
| TBA | To Be Advised | General | |
| TBD | To Be Determined | General | |
| TBDo | Temporary Bridging Document | TBD | Documents / Contracts |
| TBT | Tributyltin | Chemical / Biological | |
| TBU | Temporary Bridging Unit | Engineering Pipeline | |
| TCoO | Total Cost of Ownership | Documents / Contracts | |
| TDP | Touch Down Point | Survey Positioning | |
| TDPM | Touch Down Point Monitoring | Survey Positioning | |
| TE | Trench end | Event, Seabed Feature | |
| Tech | Technician | TECH | Personnel |
| TechM | Technical Manager | TM | Personnel |
| TI | Tie In | Engineering Pipeline | |
| TLGH | Teknik Lenkap Geohydrographics Pte Ltd | Company | |
| TLU | Tanker Loading Unit | Engineering Facility | |
| TM | Transverse Mercator | Survey Cadastral | |
| TMS | Tether Management System | Survey Positioning | |
| TOBI | Towed Ocean Bottom Instrument | Equipment Survey Subsea | |
| TOP | Top of Pipe | Engineering Pipeline | |
| TOR | Top of Rock | Survey Positioning | |
| TP | Tangent Point | Engineering Design | |
| Tp | Transponder | Equipment Survey Subsea | |
| TPF | Two Phase Flowline | Engineering Pipeline | |
| TRC | Total Recordable Cases | Health Safety & Environment | |
| TS | Trench start | Event, Seabed Feature | |
| TS | Topsides | Engineering Facility | |
| Tx | Transmit | TX | General |
| UFD | Utility Flow Diagram | Engineering Design | |
| UK | United Kingdom | Country / Sea Area | |
| UKCS | United Kingdom Continental Shelf | Country / Sea Area | |
| UKDMAP | United Kingdom Digital Marine Atlas | Documents / Contracts | |
| UKN | United Kingdom North | Country / Sea Area | |
| UKNMP | UK National Monitoring Programme | Procedures | |
| UKOOA | UK Offshore Operators Association | Governing Bodies | |
| UKTERG | United Kingdom Terrestrial Effects Review Group | Governing Bodies | |
| UMB | Umbilical | UMBIL. | Engineering Pipeline |
| UN | United Nations | Governing Bodies | |
| UPS | Un-interruptable power supply | Electrical General | |
| USBL | Ultra Short BaseLine | Equipment Survey Subsea | |
| USCG | United States Coastguard | Governing Bodies | |
| UTA | Umbilical Termination Assembly | Engineering Facility | |
| UTC | Universal Time Co-ordinated | UT | Time |
| UTM | Universal Transverse Mercator | Survey Positioning | |
| UV | Ultra Violet | General | |
| V | Review Document | E | Documents / Contracts |
| V of S | Velocity of Sound (in water) | VSW | Survey Positioning |
| VC | Vibro Corer | Equipment Survey Subsea | |
| Vdop | Vertical dilution of position | Survey Positioning | |
| VDU | Visual Display Unit | Equipment Multi Use | |
| VE | Video end | Event, Video Tapes | |
| VI | Vessel Instructions | Procedures | |
| VIns | Visual Inspection | V, VI | Inspection Test Maintenance |
| VIV | Vortex Induced Vibration | Engineering Design | |
| VIVAS | Vortex Induced Vibration Analysis System | Inspection Test Maintenance | |
| VOC | Volatile Organic Compound | Chemical / Biological | |
| VOP | Vessel of OPportunity | Vessel Type | |
| VOWD | Value Of Work Done | Documents / Contracts | |
| VP | Video pause | Event, Video Tapes | |
| VR | Video resume | Event, Video Tapes | |
| VRU | Vertical Reference Unit | Equipment Vessel | |
| VS | Video start | Event, Video Tapes | |
| VT | Video Tapes | Event, Video Tapes | |
| W | Witness | Documents / Contracts | |
| W | West | Survey Positioning | |
| WADS | Wide Area DGPS System | Survey Positioning | |
| WAG | Water Alternating Gas Injection | Engineering General | |
| WASP | Wide Area Seabed Photography | Equipment Survey Subsea | |
| WBSC | Work Structure Breakdown Codes | Documents / Contracts | |
| WD | Weightcoat Damage | Event, Weightcoat Damage | |
| West Belt | Nigerian West Belt Projection System | Project Name | |
| WFL | Water Injection Flowline | Engineering Pipeline | |
| WGS | World Geodetic System (may include 2 digit year e.g. WGS 84) | Survey Cadastral | |
| WGS84 | World Geodetic System 1984 | Survey Cadastral | |
| WH | Wellhead | Engineering Facility | |
| WNW | West North West | Survey Positioning | |
| WoS | West of Shetland (UK) | Country / Sea Area | |
| WPR | Weekly Progress Report | Operations General | |
| WR | Wire rope | Event, Debris | |
| WROV | Work Class ROV | Equipment Survey Subsea | |
| WS | West Side | General | |
| WSW | West South West | Survey Positioning | |
| W-Test | Normalizing residuals of a GPS pseudorange solution and testing against a 99% confidence limit for outliers |
Survey Positioning | |
| XG | Crossing | Event, Pipeline features |
Acronyms and Terms
used in offshore Construction Projects