|
N |
|
| NACE |
National Association of Corrosion Engineers (USA) www.website |
| NACEMR |
National Association of Corrosion Engineers Material Requirements |
| NANU |
Notice Advisory to Navstar Users |
| NAPCA |
National Association of Pipe Coating Applicators (USA) www.website |
| NAPIMS |
National Petroleum Investment Management Services www.webpage (division of NNPC) |
| NARUC |
National Association of Regulatory utility Commissioners (USA) www.website |
| NAS |
National Aerospace Standard (see the store of the Aerospace Induustries Association) |
| NATC |
Non-recallable Available Transfer Capability |
| NAUTICUS |
DNV software for hull condition analysis |
| NAV |
IMO Sub-Committee on Safety of Navigation |
| NB |
Notified Body |
| |
New Building (DNV) |
| NBBPVI |
National Board of Boiler and Pressure Vessel Inspectors (USA) www.website |
| NBS |
National Building Specifications (UK) www.website |
| |
National Bureau of Standards (USA) |
| NC |
Normally Closed |
| |
Non Conforming |
| NCD |
Non-Coincident Demand |
| NCP |
National Contingency Plan |
| NCR |
Non Conformance Report |
| NCS |
Norwegian Continental Shelf |
| ND |
Nominal Diameter |
| NDB |
Non Directional Beacon |
| |
Navigational Data Base |
| NDBC |
National Data Buoy Center (US, division of the NOAA) |
| NDC |
Netherlands Diving Centre |
| NDE |
Non Destructive Examination |
| NDO |
Neglect of Differential Overlap |
| NDT |
Non Destructive Testing (www.professional magazine online) |
| NEA |
National Energy Act (of 1978 / USA) |
| NEB |
National Energy Board (Canada) |
| NEBA |
Net Environmental Benefit Analysis |
| NEBOSH |
National Examination Board in Occupational Safety & Health (UK) |
| NEC |
National Electric Code (US) see NFPA |
| NELP |
National Employment Law Project |
| NEMA |
National Electrical Manufacturers Association (USA) www.website |
| NEPA |
National Energy Policy Act (of 1992 / USA) |
| NERC |
National Environment Research Council (UK) www.website |
| |
North American Electric Reliability Council |
| NETA |
InterNational Electrical Testing Association (USA) www.website |
| NETCO |
National Engineering and Technical Company Limited (a division of NNPC) |
| NEXT |
Near End CrossTalk |
| NF |
Norme Française (see AFNOR) |
| NFC |
National Fire Code |
| NFPA |
National Fire Protection Association (USA) www.website |
| NGA |
Natural Gas Act (of 1938 / USA) |
| NGC |
The Nigerian Gas Company www.webpage (division of NNPC) |
| NGDC |
National Geophysical Data Center (USA) www.website |
| NGL |
Natural Gas Liquid |
| NGNGV |
Next Generation Natural Gas Vehicle (Program of the DOE) |
| NGO |
Non Governmental Organisation |
| NGPA |
Natural Gas Policy Act (of 1978 / USA) |
| NGSA |
Natural Gas Supply Association (USA) |
| NHC |
Nordic Hydrographic Commission (IHO) www.webpage |
| NI |
Nautical Institute |
| NID |
Nominal Inside Diameter |
| NIOC |
National Iranian Oil Company www.website |
| NIOHC |
North Indian Ocean Hydrographic Commission (IHO) www.webpage |
| NISO |
National Information Standards Organization (USA) www.website |
| NIST |
National Institute of Standards and Technology (USA) www.website |
| NLL |
Normal Liquid Level |
| NLNG |
Nigerian LNG limited www.webpage (division of NNPC) |
| NMEA |
National Marine Electronics Association (USA) www.website |
| NMD |
Nominal Model |
| |
Norwegian Maritime Directorate www.website |
| NMO |
Normal Move Out |
| NMVOC |
Non Methane Volatile Organic Compound |
| NOAA |
National Oceanographic and Atmospheric Administration www.website |
| NODC |
National Oceanographic Data Center (USA) www.website |
| NNPC |
Nigerian National Petroleum Company www.website |
| NNTU |
Norwegian University of Sciences & Technology |
| NNS |
Northern North Sea. |
| NO |
Normally Open |
| |
Normal Output (fluorescent lighting) |
| |
Not Open |
| NOAA |
National Oceanic and Atmospheric Administration (USA) |
| NOAEL |
No Observed Adverse Effect Level |
| NOC |
National Oil Company |
| NOFO |
Norwegian Clean Seas Association for Operation Companies |
| NOGEPA |
The Netherlands Oil and Gas Exploration and Production Association www.website |
| NOPR |
Notice Of Proposed Rule making |
| NOPSA |
National Offshore Petroleum Safety Authority (Australia) |
| NORAD |
Norwegian Agency for Development Co-operation |
| NORM |
Naturally Occurring Radioactive Material |
| NORSOK |
Standards developed by the Norwegian Petroleum Industry |
| NOSAC |
National Offshore Safety Advisory Committy (US) |
| NOSCA |
Norwegian Oil Spill Control Association |
| NOSCP |
National Oil Spill Contingency Plan |
| NOSPC |
National Oil Spill Planning Committee |
| NOSRC |
National Oil Spill Response Centre |
| NOx |
Oxides of Nitrogen |
| NPCC |
Northeast Power Coordination Council (NERC Region, USA) |
| NPD |
Norwegian Petroleum Directory www.website |
| NPDC |
Nigerian Petroleum Development Company (division of NNPC) |
| NPS |
Nominal Pipe Size |
| |
National Petroleum Show (of Alberta, Canada) |
| NPSH |
Net Positive Suction Head |
| NPSHA |
Net Positive Suction Head Available |
| NPSHR |
Net Positive Suction Head Required |
| NPT |
Normal Pressure and Temperature |
| |
National Pipe Taper (pipe thread specification) |
| |
Non-Productive Time |
| |
Non-Programmable Terminal |
| |
No-Path Trigger |
| |
Normal Pipe Thread |
| NPV |
Net Present Value |
| NR |
Noise Rating (unit) |
| NRC |
National Response Corporation (USA) |
| NRCV |
Non Return Circulation Valve |
| NRDA |
Natural Resource Damage Assessment |
| NRI |
Net Revenue Interest |
| NRP |
Number of Required Pump |
| NRSC |
National Remote Sensing Centre |
| NS |
Nitrogen Supply |
| NSB |
Natural Sea Bed |
| NSHC |
North Sea Hydrographic Commission (IHO) www.webpage |
| NSOP |
Normal Service Operating Pressure |
| NSOT |
Normal Service Operating Temperature |
| NSO STRUDL |
("as built"format) |
| NSRI |
National Subsea Research Institute (Aberdeen University) |
| NTU |
Nephelometric Turbidity Unit |
| NUG |
Non Utility Generator |
| NUM |
Numeric |
| NUTEC |
Norwegian Underwater Technology Center www.website |
| NVR |
Non Volatil Residue |
| NWS |
North West Shelf |
| NYSC |
National Youth Service Corps (Nigeria) |
| NZOI |
New Zealand Oceanographic Institute |