|
O |
|
| O |
Oil |
| OAL |
Overall length |
| OAS |
Obstacle Avoidance Sonar |
| OASIS |
Open Access Save-time Information System |
| OBAs |
Operational Balancing Agreements |
| OBC |
Ocean Bottom Cable |
| OBM |
Oil Based Mud |
| OBS |
Ocean Bottom Seismometer |
| OBSROV |
Observation ROV (remote operated vehicle) |
| OC |
Operator Console |
| OCA |
Offshore Contractors Association |
| OCIMF |
Oil Companies International Marine Forum |
| OCMA |
Oil Companies Materials Association (defunct one, incorporated in EEMUA) |
| OCS |
Outer Continental Shelf |
| OCSLA |
Outer Continental Shelf Lands Act (USA) |
| OCSV |
Offshore Construction Support Vessel |
| OCTG |
Oil Country Tubular Goods |
| OCU |
Operational Control Unit |
| OCWR |
Overall Control of Wells and Risers |
| OD |
Outer Diameter |
| |
Open Drain system |
| ODA |
Offshore Development Area |
| ODME |
Oil Discharge and Monitoring Equipment |
| ODP |
Ozone Depletion Potential |
| |
Ocean Drilling Program www.website |
| ODS |
Ozone Depleting Substance |
| OEAA |
Offshore Energy Achievments Awards |
| OEC |
Ormat Energy Converter |
| |
Optional Expedited Certificate |
| OECD |
Organisation for Economic Co-operation and Development |
| OFAF |
cooling with Forced Oil Circulation by Means of Pumps |
| OFDM |
Orthogonal Frequency Division Multiplexing |
| OFOs |
Operational Flow Orders |
| off-sh |
Off-shore |
| O&G |
Oil and Gas. |
| OG-MRP |
Oil & Gas-Maximising Recovery Programme |
| OGIP |
Original Gas In Place |
| OGP |
International Association of Oil and Gas Producers |
| |
Onshore Gas Plant |
| OGT |
Operator Guidance Tool |
| OHM |
Offshore Hydrocarbons Mapping (UK company) |
| OHRA |
Obstacle Hybrid Routing Algorithm |
| OIAC |
Offshore Industry Advisory Committee (UK) |
| OIM |
Offshore Installation Manager |
| OiW |
Oil in Water |
| OLD |
On Line Diagram |
| OLF |
Norwegian Oil Industry Association (Oljeindustriens Landsforening |
| OLS |
Organizational Leadership and Supervision |
| OLT |
On-Line Testing |
| |
Offshore Loading Terminal |
| O&M |
Costs, Operation & Maintenance |
| OMS |
Organisation Mondiale de la Santé www.website |
| OMSA |
Offshore Marine Service Association (USA) |
| ON |
Office Network (all data networks not including the ICSS) |
| ONAF |
Forced Cooling by Air Impelled by Fans |
| ONAN |
Self Cooling by Natural Air Flow and Radiation |
| OOC |
Offshore Operators Committee (USA) |
| OOL |
Oil Offloading Line |
| OOS |
Ocean Observing System |
| OP |
Operating Pressure |
|
Operator Position |
| OPA (90) |
Oil Pollution Act, 1990 (USA) www.website |
| OPC |
Operation Process Control |
| |
Ordinary Portland Cement |
| OPEC |
Organisation of Petroleum Exporting Countries |
| OPEX |
Operational Exercise |
| OPGW |
OPtical Ground Wire |
| OPIS |
Oil Price Information Service |
| |
Online Procurement Information System |
| |
Online Product Information System |
| OPITO |
Offshore Petroleum Industry Training Organisation (UK) www.website |
| OPPS |
Over Pressure Protection System |
| OPRC |
International Convention on Oil Pollution Preparedness, Response and Co-operation, 1990 www.website |
| ORQ |
Offshore chain grade (according to API RP 2SK) |
| ORMAT |
Energie Converter brand www.website |
| ORV |
Open Rack Vaporizer |
| OS |
Operator Sation |
| OSC |
Operations Support Center |
| OSCP |
Oil Spill Contingency Plan |
| OSD |
Oil Spill Dispersant |
|
Offshore Safety Division |
| OSHA |
Occupational Safety and Health Administration (dept. of Labor / USA) www.website |
| OSPAR |
Oslo and Paris Convention (for the Protection of the Marine Environment of the North East Atlantic) |
| OSPF |
Open Shortest Path First |
| OSPIC |
Oil Spill Public Information Center |
| OSRL |
Oil Spill Response Limited |
| OSRO |
Oil Spill Removal Organization (OPA 90) www.website |
| OSS |
Operational Systems and Sub-systems |
| OSV |
Offshore Support Vessel |
| OS&Y |
Outside Screw spindle and Yoke |
| OT |
Operating Temperature |
| |
Operational Test |
| OTC |
Operational Test Certificate |
| |
Offshore Technologies Conference (Houston world event) |
| OTDR |
Optical Time Domain Reflectometer |
| OTF |
On The Fly |
| OTP |
Operational Test Procedure |
| OTS |
Operations Training Simulator |
| OTU |
Optical Termination Unit |
| OWC |
Oil Water Contact |
| OWS |
Operator Work Station |
| OWT |
Oil Water Treatment |