AC Alternating Current
AFA Approved for Award
AFC Approved for Construction
AFD Approved for Design
AFP Automatic Fire Protection
AFR Approved for Review
AFU Approved for Use
ALARP As Low as Resonably Practicable
ALS Advanced Life Support
ANSI American National Standards Institute
API American Petroleum Institute
ASAP As Soon As Possible
ASCE American Society of Civil Engineers
ASME American Society of Mechanical Engineers
ASTM American Society for Testing and Materials
AWS American Welding Society
BA Breathing Apparatus
BDV Blow Down Valve
BLEVE Boiling Liquid and Expanding Vessel Explosion
BOD Basis of Design
BOE Barrels of Oil Equivalent
BOM Bill of Material
BOP Bottom of Pipe
BOPD Barrels of Oil Per Day
BSI British Standards Institute
BW Butt Weld
CA Corrosion Allowance
CAD Computer Aided Design
CAE Computer Aided Engineering
CAN Cancelled
CAPEX Capital Expenditure
CCR Central Control Room
CCTV Closed Circuit Television
CD Compact Disc
CHAZOP Control, Hazard and Operability Study
CNG Compressed Natural Gas
COB Close of Buisness
COG Centre of Gravity
CS Carbon Steel
CSV Completion Support Vessel
CTR Cost Time Resource
CTS Cut to Suit
CuNi 90/10 Copper Nickel
CV Control Valve
D&ID Ducting and Instrumentation Diagram
DBB Double Block and Bleed
DC Direct Current
DCM Don't Come Monday
DCS Distributed Control System
DIN Deutche Industrial Norm (Das Ist Normal)
DN Nominal Diameter
DO Drawing Office
DOM Domestic (Gas)
DSS Duplex Stainless Steel
E&P Engineering and Procurement
EDMS Electronic Document Management System
EEMUA Engineering Equipment & Materials Users Association
EERA Escape, Evacuation and Rescue Analysis
EL Elevation
EOS Equation of State
EP Exploration permit
EPC Engineering, Procurement and Construction
ER Emergency Response
ERP Emergency Response Plan
ESD Emergency Shutdown
ESS Emergency Support System
ESSA Emergency Systems Survivability Analysis
F&G Fire and Gas
FB Full Bore
FC Fail Close
FD Facility Description
FEA Fire and Explosion Analysis
FEM Fire and Explosion Management
FER Field Equipment Room
FF Flat Face
FFW Field Fit Weld
FI Fail Intermediate
FIR Field Instrument Room
FL Fail Last Position
FO Fail Open
FO Flow Orifice
FPSO Floating, Production, Storage and Offloading Facility
FSA Formal Safety Assessment
FSO Floating, Storage and Offloading Facility
FSV Flow Safety Valve
FTHP Flowing Tubing Head Pressure
FV Full Vacuum
FVO First Valve On
FW Field Weld
GA General Arrangement
GMDSS Global Maritime Distress Safety System
GPA Gas Processors Association
GPA General Platform Alarm
GRE Glass Reinforced Epoxy
GRP Glass Reinforced Plastic
HAZ Heat Affect Zone
HAZID Hazard Identification
HAZOP Hazard and Operability Study
HI Hydraulic Institute
HIPPS High Intensity Pressure Protection System
HLO Helicopter Landing Officer
HP High Pressure
HSE Health, Safety and Enviroment
HSV Hookup Support Vessel
HT Heat Tracing
HUC Hookup and Commissioning
HUET Helicopter Underwater Escape Training
HVAC Heating, Ventalation and Air Conditioning
IDC Interdiscipline Document Check
IEEE Institute of Electrical and Electronics Engineers
IER Instrument Equipment Room
IFC Issued for Comment
IFF Issued for Fabrication Contract
IFI Issued for Information
IFQ Issued for Quote
IFR Issued for Review
IFT Issued for Tender
IFU Issued for Use
ILC Interlock Closed
ILO Interlock Open
IR Infra-Red
IRPA Individual Risk per Annum
IS Intrinsically Safe
ISA Instrument Society of America
ISO International Organization for Standardization
ISO Isometric
IT Information Technology
ITB Invitation to Bid
ITT Invitation to Tender
JA Joint Authorities
JV Joint Venture
KDCN Key Document Change Notification
LC Locked Closed
LED Light Emitting Diode
LG Level Guage
LNG Liquefied Natural Gas
LO Locked Open
LP Low Pressure
LPG Liquefied Petroleum Gas
LQ Living Quarters
LTCS Low Temperature Carbon Steel
LVO Last Valve Off
MAE Major Accident Event
MBL Minimum Breaking Load
MCC Motor Control Centre
MCF Thousand Cubic Feet
MCPs Manual Call Points
MMCFD Million Cubic Feet per Day
MMS Materials Management System
MOB Man Overboard
MODU Mobile Offshore Drilling Unit
MOM Minutes of Meeting
MR Material Requisition
MSS Manufacturers Standardization Society
MTO Material Take-off
NACE National Association of Corrosion Engineers
NC Normally Closed
NDE Non Destructive Examination
NDT Non Destructive Testing
NFPA National Fire Protection Association
NGL Natural Gas Liquids
NHRA Non Hydrocarbon Risk Assessment
NNF Normally No Flow
NO Normally Open
NORSOK Norsk Sokkels Konkurranseposisjon
NPS Nominal Piping Size
NPT National Pipe Taper Thread
NS Nominal Size
NT New Technology
OCS Outer Continental Shelf
OHS Occupational Health and Safety
OIM Offshore Installation Manager
OPEC Organization of Petroleum Exporting Countries
OPEX Operating Expenditure
OT Overtime
P&A Plugged and Abandoned
P&ID Process and Instrumentation Diagram
PAPA Prepare to Abandon Platform Alarm
PAR Procurement Action Request
PCHE Printed Circuit Heat Exchanger
PCL PetroChemLink
PCS Process Control System
PDMS Plant Design Management System
PDN Project Deviation Notice
PDS Plant Design System
PE Plain End
PET Procurement Execution Team
PFD Process Flow Diagram
PFI Pipe Fabrication Institute
PFP Passive Fire Protection
PG Pressure Gauge
PIC Person in Charge
PL Petroleum Lease
PLC Programmable Logic Controller
PLEM Pipeline End Manifold
PLL Potential Loss of Life
PO Purchase Order
POB Persons on Board
POSC Petrotechnical Open Software Corporation
PPM Parts per Million
PSD Process Shutdown
PSS Platform Safety System
PSV Pressure Safety Valve
RAM Reliability Availability and Maintainability
RAS Required at Site
RDB Reference Database
RES Reserved
RF Raised Face
RFQ Request for Quotation
RTJ Ring Type Joint
RWMA Resistance Welder Manufacturers Association
SAP Systems, Applications, Products
SAR Search and Rescue
SAW Submerged Arc Welding
SC Safey Case
Scd Screwed
Sch Schedule (Pipe Wall Thickness)
SCSSV Surface Controlled Subsurface Safety Valve
SDC Single Discipline Check
SDDL Supplier Drawing Data List
SHE Safety, Health and Enviroment
SIMOPS Simultaneous Operations
SIP Software Intergration Package
SMLS Seamless
SMS Safety Management System
SP Special Piping
SPS Surface Process Shutdown
SQS Supplier Quality Surveillance
SS Stainless Steel
SSIV Subsea Isolation Valve
SSPC Society for Protective Coatings
SSSV Sub Surface Safety Valve
SSV Surface Safety Valve
STEP Standard for the Exchange of Product model data
SW Socket Weld
SWL Safe Working Load
TAPS Trans-Alaska Pipeline System
TD Total Depth
TEG Tricol Ethelene Glycol
TEMP SC Totally Enclosed Motor Propelled Survival Craft
TI Temperature Indicator
TOS Top of Steel
TP Test Point
TPS Total Platform Shutdown
TR Temporary Refuge
UFD Utility Flow Diagram
UKOOA United Kingdom Offshore Operators Association
UPS Uninterruptible Power Supply
UTS Ultimate Tensile Strength
UV Ultra Violet
UVCE Unconfined Vapour Cloud Explosion
VESDA Very Early Smoke Detector and Aspirator
WHRU Waste Heat Recovery Unit
XS Extra Strong
XXS Double Extra Strong