Reservoir & Subsurface

NMHC
Non Methane Hydrocarbons
NMO
Normal Moveout
NPHI
Thermal Neutron Porosity Ratio Method
NRS
No Reservoir Surprises
NSRE
North Slope Reservoir Engineer
NST
Name Space Transformation
NTFS
New Technology File System
NTT
Non-Touch-Time
OBC
Ocean Bottom Cable
OBS
Ocean Bottom Stations
OCS
Outer Continental Shelf (Offshore Regulations)
ODIE
Operations Document Information Exchange
OEC
Operating Efficiency Calculation
OGI
Optical Gas Imaging
OIR12
Hydrocarbon Release Report
OIS
Operational Information System
OOS
Out of Service
OPIS
Oil Price Information Service
OPRA
Options Price Reporting Authority
PAO
Process and Assurance Overviews
PB
Purple Book
PBRE
Prudhoe Bay Reservoir Engineer
P-CHOKE
Project Choke Model
PDI
Plant Data & Information
PDP
Pulse Decay Permeameter
PE RE
Petroleum Engineer Reservoir Engineer
PE/RE
Production Engineer/Reservoir Engineer
PERE
Petroleum Engineer/Reservoir Engineer
PFC
Perforation Formation Correlation
PGS
Petroleum Geo-Services