|
|
Flowline
|
|
|
Alkylation
|
|
|
Appraisal Well
|
|
|
Catalytic Cracking
|
|
|
Waste Heat Recovery
|
|
|
Visbreaking
|
|
|
Combined Cycle
|
|
|
Delayed Coking
|
|
|
Deasphalting
|
|
|
Biomass
|
|
|
Upstream
|
|
|
Downstream
|
|
|
Fossil Fuel
|
|
|
Power Grid
|
|
|
Probable Reserves
|
|
|
Proved Reserves
|
|
|
Wood Pellets
|
|
|
Spar
|
|
|
Riser
|
|
|
Biodiesel
|
|
|
Umbilical
|
|
A
|
Air
|
|
A/C
|
Air Conditioner
|
|
A/D
|
Analog/Digital
|
|
A/G
|
Above Ground
|
|
ABPR
|
Animal Byproducts
|
|
ABS
|
Acylonitrile Butadiene Styrene
|
|
ABS
|
American Bureau of Shipping
|
|
ABWR
|
Advanced Boiling Water Reactor
|
|
AC
|
Alternating Current
|
|
AC
|
Asphalt Concrete
|
|
ACARP
|
Australian Coal Association Research Program
|
|
ACCU
|
Air Cooled Condensing Unit
|
|
ACI
|
American Concrete Institute
|
|
ACS
|
American Construction Society
|
|
ACT
|
Automatic Custody Transfer
|
|
AD
|
Acid Drain
|
|
AD
|
Anaerobic Digestion
|
|
ADC
|
Average Daily Consumption
|
|
ADIP
|
Amino Di Isopropanol
|
|
ADM
|
Arrow Diagram Method
|
|
ADR
|
Aluminium Dome Roof
|
|
AEDC
|
Award Engineering/Design Contract
|
|
AFBMA
|
Anti Friction Bearing Manufacturers Association
|
|
AFC
|
Automatic Frequency Control
|
|
AFFF
|
Aqueous Film Forming Foam
|
|
AFNOR
|
Association Francaise de Normalisation
|
|
AFR
|
Average Flow Rate
|
|
AGA
|
American Gas Association
|
|
AGC
|
Associated General Contractors
|
|
AGC
|
Automatic Generation Control
|
|
AGMA
|
American Gear Manufacturers Association
|
|
AH
|
Acid Hydrocarbon
|
|
AH
|
Arabian Heavy
|
|
AHU
|
Air Handling Unit
|
|
AI
|
Artificial Intelligence
|
|
AIHA
|
American Industial Hygiene Association
|
|
AISC
|
American Institute of Steel Construction
|
|
AISI
|
American Iron and Steel Institute
|
|
AL
|
Aluminium
|
|
AL
|
Arabian Light
|
|
ALARA
|
As Low As Reasonably Achievable
|
|
ALARP
|
As Low as Reasonably Practicable
|
|
ALE
|
Abnormal Level Earthquake
|
|
ALP
|
Articulated Loading Platform
|
|
ALS
|
Accidental Limit State
|
|
AM
|
Amplitude Modulation
|
|
AM
|
Arabian Medium
|
|
AMH
|
Actual Manhour
|
|
AMRS
|
Advanced Mobile Radio System
|
|
ANP
|
Acid Neutralisation Pit
|
|
ANSI
|
American National Standards Institute
|
|
AOF
|
Absolute Open Flow
|
|
AOV
|
Air Operated Valve
|
|
APCS
|
Approved Protective Coating System
|
|
APD
|
Automated Piping Design
|
|
API
|
American Petroleum Institute
|
|
APS
|
Applications Software
|
|
AS
|
Acid Sewer
|
|
ASB
|
Asymmetrical Beam
|
|
ASCE
|
American Society of Civil Engineers
|
|
ASCII
|
American Standard Code for Information Interchange
|
|
ASD
|
Allowable Stress Design
|
|
ASHRAE
|
American Society of Heating, Ventilation and Air C
|
|
ASME
|
American Society of Mechanical Engineers
|
|
ASP
|
Aluminium Steel Polyethylene
|
|
ASTM
|
American Society for Testing and Materials
|
|
ATB
|
All Trunks Busy
|
|
ATF
|
Alternative Transport Fuels
|
|
ATM
|
Atmospheric
|
|
ATM
|
Atmosphere
|
|
AUP
|
Average Unit Price
|
|
AUT
|
Automated Ultrasonic Testing
|
|
AVB
|
Atmospheric Vacuum Breaker
|
|
AVG
|
Average
|
|
AW
|
Acid Waste
|
|
AWEA
|
American Wind Energy Association
|
|
AWG
|
American Wire Gauge
|
|
AWO
|
Additional Work Order
|
|
AWPA
|
American Wood Preservers Association
|
|
AWS
|
American Welding Society
|
|
AWWA
|
American Water Works Association
|
|
B&S
|
Bell and Spigot
|
|
B.C.D.
|
Bolt Circle Diameter
|
|
BB
|
Bolted Bonnet
|
|
BBD
|
Boiler Blow Down
|
|
BBE
|
Bevel Both Ends
|
|
BC
|
Bolted Cover
|
|
BC
|
Bolt Circle
|
|
BCSA
|
British Constructional Steelwork Association
|
|
BD
|
Bolt Down
|
|
BDR
|
Blast Design Requirement
|
|
BDT
|
Bulk Data Transfer
|
|
BE
|
Beveled End
|
|
BEAST
|
Building Evaluation and Screening Tool
|
|
BEDD
|
Basic Engineering Design Data
|
|
BEE
|
Bundesverband Erneuerbare Energie
|
|
BEP
|
Break Even Production
|
|
BEV
|
Break Even Value
|
|
BF
|
Blind Flange
|
|
BFD
|
Block Flow Diagram
|
|
BFP
|
Backflow Prevention
|
|
BFW
|
Boiler Feed Water
|
|
BH
|
Borehole
|
|
BICSI
|
Building Industry Consulting Services Internationa
|
|
BIOX
|
Biological Oxidation
|
|
BL
|
Battery Limit
|
|
BLD
|
Blind
|
|
BLDG
|
Building
|
|
BLE
|
Bevel Large End
|
|
BLEVE
|
Boiling Liquid Expanding Vapor Explosion
|
|
BM
|
Bending Moment
|
|
BMS
|
Burner Management System
|
|
BO
|
Build, Operate
|
|
BOB
|
Bottom of Barrel
|
|
BOD
|
Barrels per Operating Day
|
|
BOD
|
Biochemical Oxygen Demand
|
|
BOE
|
Bevel One End
|
|
BOF
|
Bottom of Foundation
|
|
BOM
|
Bill of Material
|
|
BOO
|
Build, Own, Operate
|
|
BOOT
|
Build, Own, Operate, Transfer
|
|
BOP
|
Bottom of Pipe
|
|
BOP
|
Balance of Plant
|
|
BOP
|
Blow Out Preventer
|
|
BOPD
|
Barrels of Oil Per Day
|
|
BOS
|
Balance of System
|
|
BOT
|
Build, Operate, Transfer
|
|
BPCD
|
Barrels per Calender Day
|
|
BPD
|
Barrels Per Day
|
|
BPS
|
Bytes per Second
|
|
BR
|
Bronze
|
|
BRA
|
Building Risk Assessment
|
|
BS
|
British Standards
|
|
BS
|
British Steel
|
|
BS
|
Bio Sludge
|
|
BSD
|
Building Standards Division
|
|
BSE
|
Bevel Small End
|
|
BSI
|
British Standards Institution
|
|
BST
|
Baker-Strehlow-Tang
|
|
BTM
|
Bottom
|
|
BTM
|
Buoyant Turret Mooring
|
|
BTU
|
British Thermal Unit
|
|
BU
|
Business Unit
|
|
BW
|
Butt Weld
|
|
BWEA
|
British Wind Energy Association
|
|
BWPD
|
Barrels of Water per Day
|
|
C
|
Centigrade; Celsius
|
|
C
|
Chemical
|
|
C&I
|
Controls and Instrumentation
|
|
C/R
|
Construction/Repair
|
|
C/R
|
Change Request
|
|
CA
|
Caustic
|
|
CA
|
Congested Area
|
|
CA
|
Corrosion Allowance
|
|
CAD
|
Computer Aided Design
|
|
CADD
|
Computer Aided Drafting and Design
|
|
CAE
|
Computer Aided Engineering
|
|
CALC
|
Calculated
|
|
CALM
|
Caternary Anchor Leg Mooring
|
|
CAM
|
Congested Area Modelling
|
|
CAMA
|
Centralised Automatic Message Accounting
|
|
CAN/CSA
|
Canadian Standards
|
|
CAO
|
Certified Acceptance by Operations
|
|
CAPEX
|
Capital Expenditure
|
|
CARE
|
Conservation Accreditation Register for Engineers
|
|
CAS
|
Caustic Sewer
|
|
CAT
|
Catalyst
|
|
CB
|
Control Building
|
|
CB
|
Catch Basin
|
|
CBC
|
Coupled Bonding Conductor
|
|
CBM
|
Coal Bed Methane
|
|
CBNG
|
Coal Bed Natural Gas
|
|
CBR
|
California Bearing Ratio
|
|
CBS
|
Controllable Bent Sub
|
|
C-C
|
Centre to Centre
|
|
CCC
|
Comodity Classification Code
|
|
CCEI
|
Common Class Expansion Indices
|
|
CCIR
|
International Radio Consulative Committee
|
|
CCIS
|
Common Channel Interoffice Signalling
|
|
CCN
|
Catalog Classification Number
|
|
CCO
|
Current Cost Outlook
|
|
CCPS
|
Centre for Chemical Process Safety
|
|
CCS
|
Computer and Communication Services
|
|
CCS
|
Compressor Control System
|
|
CCS
|
Carbon Capture and Storage
|
|
CCTV
|
Closed Circuit Television
|
|
CD
|
Chemical Drain
|
|
CD
|
Closed Drain
|
|
CDC
|
Central Dispatch Center
|
|
CDR
|
Critical Design Review
|
|
CDS
|
Central Dispatch System
|
|
CEMA
|
Conveyor Equipment Manufacturers Association
|
|
CFP
|
Capital Facilities Plan
|
|
CFPE
|
Chief Fire Prevention Engineer
|
|
CFR
|
Code of Federal Regulations
|
|
CGA
|
Compressed Gas Association
|
|
CGT
|
Combustion Gas Turbine
|
|
CGTG
|
Combined Gas Turbine Generator
|
|
CGTG
|
Combustion Gas Turbine Generator
|
|
CHP
|
Combined Heat and Power
|
|
CHS
|
Circular Hollow Section
|
|
CI
|
Cast Iron
|
|
CIF
|
Cost, Insurance, Freight
|
|
CIF
|
Community and Industrial Facility
|
|
CIRIA
|
Construction Industry Research and Information Ass
|
|
CIS
|
Contract Information System
|
|
CISHEC
|
Chemical Industry Safety, Health and Environmental
|
|
CJ
|
Construction Joint
|
|
CJ
|
Contraction Joint
|
|
CL
|
Centre Line
|
|
CM
|
Centimeter
|
|
CM
|
Construction Manager
|
|
CMT
|
Construction Management Team
|
|
CMU
|
Concrete Masonry Units
|
|
CMAA
|
Crane Manufacturers Association of America
|
|
CNC
|
Computer Numerically Controlled
|
|
CNPP
|
Country Nuclear Power Profiles
|
|
CO
|
Change Order
|
|
CO
|
Clean Out
|
|
COC
|
Continuously Oily/Chemical Contaminated
|
|
COGEN
|
Combined Generation
|
|
COL
|
Column
|
|
COLA
|
Cost of Living Allowance
|
|
COMAH
|
Control Of Major Accident Hazards
|
|
COMFAR
|
Computer Model for Feasibility Analysis and Report
|
|
CONC
|
Concentric
|
|
CONN
|
Connection
|
|
COT
|
Character Orientated Terminal
|
|
COTS
|
Commercial Off The Shelf
|
|
CPF
|
Central Processing Facility
|
|
CPLG
|
Coupling
|
|
CPT
|
Cone Penetration Test
|
|
CPU
|
Central Processing Unit
|
|
CPVC
|
Chlorinated Polyvinyl Chloride
|
|
CR
|
Computed Radiography
|
|
CR
|
Chromium
|
|
CRS
|
Centres
|
|
CRSI
|
Concrete Reinforcing Steel Institute
|
|
CRT
|
Cathode Ray Tube
|
|
CS
|
Chemical Sewer
|
|
CS
|
Construction Start
|
|
CS
|
Carbon Steel
|
|
CSA
|
Canadian Standards Association
|
|
CSG
|
Coal Seam Gas
|
|
CSIR
|
Centre of Scientific and Industrial Research
|
|
CSO
|
Car Sealed Open
|
|
CSP
|
Concrete Surface Profile
|
|
CSP
|
Concentrated Solar Power
|
|
CSUD
|
Construction Start Up Date
|
|
CSW
|
Clean Surface Water
|
|
CSW
|
Clean Storm Water
|
|
CT
|
Coiled Tubing
|
|
CTI
|
Cooling Tower Institute
|
|
CTOP
|
Cracked Tip Opening Displacement
|
|
CTS
|
Construction Technical Support
|
|
CU
|
Copper
|
|
CW
|
Chilled Water
|
|
CW
|
Coated and Wrapped
|
|
CWO
|
Chain Wheel Operator
|
|
CWP
|
Cold Working Pressure
|
|
CWP
|
Contractors Work Plan
|
|
CWR
|
Continuous Welded Rail
|
|
CWR
|
Cooling Water Return
|
|
CWS
|
Cooling Water Supply
|
|
D&B
|
Design and Build
|
|
D/C
|
Direct Charge
|
|
D/P
|
Differential Pressure
|
|
D-A
|
Digital to Analog
|
|
DAF
|
Dissolved Air Flotation
|
|
DASD
|
Direct Access Storage Device
|
|
DAV
|
Data Above Voice
|
|
dB
|
Decibel
|
|
DB
|
Design, Build
|
|
DB
|
Duct Bank
|
|
dBA
|
Decibels using the A-weighted scale
|
|
DBM
|
Design Basis Memorandom
|
|
DBO
|
Design, Build, Operate
|
|
DBOT
|
Design, Build, Operate, Transfer
|
|
DBSP
|
Design Base Scoping Paper
|
|
DC
|
Direct Current
|
|
DCC
|
Disaster Control Centre
|
|
DCLM
|
Direct Charge List of Materials
|
|
DCS
|
Distributed Control System
|
|
DDC
|
Direct Digital Controller
|
|
DDD
|
Direct Distance Dial
|
|
DEA
|
Di Ethanol Amine
|
|
DEG
|
Degree
|
|
DEL
|
Direct Exchange Line
|
|
DEMA
|
Diesel Engineers Manufacturers Association
|
|
DFT
|
Dry Film Thickness
|
|
DFW
|
Deaerator Feed Water
|
|
DGA
|
Di Glycol Amine
|
|
DI
|
Ductile Iron
|
|
DIA
|
Diameter
|
|
DID
|
Direct Inward Dialling
|
|
DIF
|
Dynamic Increase Factor
|
|
DIM
|
Dimension
|
|
DIN
|
Deutche Industrie Normen (German Standard)
|
|
DM
|
De-Mineralisation
|
|
DMS
|
Dynamic Pile Monitoring
|
|
DMW
|
Demineralised Water
|
|
DN
|
Diameter Nominal (Metric)
|
|
DOBIS
|
Dortmunder Bibliothekssystem
|
|
DOD
|
Direct Onward Dialling
|
|
DOE
|
Department of Energy
|
|
DOT
|
Department of Transportation
|
|
DOX
|
Direct Overhead Expense
|
|
DP
|
Data Processing
|
|
DP
|
Design Pressure
|
|
DP
|
Dynamic Positioned
|
|
DP
|
Dial Pulse
|
|
DPC
|
Destination Point Code
|
|
DPDT
|
Double Pole Double Throw
|
|
DPSR
|
Data Processing Service Request
|
|
DRN
|
Drain
|
|
DRP
|
Distribution Requirement Planning
|
|
DS
|
Downspout
|
|
DS
|
Discipline Superintendent
|
|
DS
|
Data Store
|
|
DS
|
Drilling Sites
|
|
DSC
|
Dye Solar Cells
|
|
DSI
|
Digital Speech Interpretation
|
|
DSW
|
Distilled Water
|
|
DT
|
Design Temperature
|
|
DT
|
Duct Trims
|
|
DTDR
|
Dial Tone Delay Recorder
|
|
DTE
|
Drill Through Equipment
|
|
DUV
|
Data Under Voice
|
|
DVD
|
Dedicated Voice Dispatch
|
|
DW
|
Drinking Water
|
|
DWF
|
Dry Weather Flow
|
|
DWG
|
Drawing
|
|
DWT
|
Dead Weight Tonnes
|
|
DWV
|
Drain, Waste, Vent
|
|
E
|
Exhaust Steam
|
|
E&I
|
Electrical and Instrumentation
|
|
E&P
|
Exploration and Production
|
|
EA
|
Each
|
|
EAGE
|
European Association of Geoscientists and Engineer
|
|
EB
|
Extended Bonnet
|
|
EC
|
Eurocode
|
|
EC
|
Eddy Current Testing (Examination)
|
|
ECC
|
Eccentric
|
|
ECD
|
Energy Conversion Device
|
|
ECL
|
Established Column Line
|
|
EDH
|
Electrical Duct Heater
|
|
EDM
|
Engineering Department Manual
|
|
EDMS
|
Electronic Document Management System
|
|
EDP
|
Electronic Data Processing
|
|
EEMUA
|
Engineering Equipment and Material Users Associati
|
|
EF
|
Entrance Facility
|
|
EF
|
Evaluation Factor
|
|
EFD
|
Engineering Flow Diagrams
|
|
EFRT
|
External Floating Roof Tank
|
|
EFW
|
Electric Fusion Welded
|
|
EHF
|
Extra High Frequency
|
|
EI
|
End Item
|
|
EIA
|
Emergency Instrument Air
|
|
EIA
|
Electronic Industries Association
|
|
EIA
|
Environmental Impact Analysis
|
|
EIS
|
Equipment Inspection Schedule
|
|
EIV
|
Emergency Isolation Valve
|
|
EJ
|
Expansion Joint
|
|
EL
|
Elevation
|
|
ELE
|
Extreme Level Earthquake
|
|
ELFEXT
|
Equal Level Far End Cross Talk
|
|
ELL
|
Elbow
|
|
ELLIP
|
Elliptical
|
|
ELSBM
|
Exposed Location Single Buoy Mooring
|
|
EMC
|
Electromagnetic Compatibility
|
|
EMD
|
Electric Motor Drive
|
|
EMI
|
Electromagnetic Interference
|
|
EMT
|
Electrical Metallic Tubing
|
|
EOL
|
Elbolet
|
|
EOR
|
Enhanced Oil Recovery
|
|
EOT
|
Electric Overhead Travelling
|
|
EPC
|
Engineering Procurement Construction
|
|
EPCI
|
Engineering Procurement Construction Installation
|
|
EPCM
|
Engineering, Procurement, Construction Management
|
|
EPDM
|
Ethylene-Propylene-Diene Terpolymer / EP Rubber
|
|
EPIC
|
Engineering Procurement Installation Commisioning
|
|
EQ
|
Equal
|
|
ER
|
Expenditure Request
|
|
ER
|
Equipment Room
|
|
ERC
|
Expenditure Request Completion
|
|
ERL
|
Echo Return Loss
|
|
ERM
|
Environmental Resource Management
|
|
ERPG
|
Emergency Response Planning Guidelines
|
|
ERW
|
Electric Resistance Welded
|
|
ESD
|
Emergency Shutdown
|
|
ESDU
|
Engineering Sciences Data Unit
|
|
ESL
|
Established Site Level
|
|
ESO
|
Engineering Service Organisation
|
|
ESO
|
Engineering Service Order
|
|
ESP
|
Ethane Separation Plant
|
|
ETA
|
Estimated Time of Arrival
|
|
ETBE
|
Ethyl Tertiary Butyl Ether
|
|
ETLP
|
Extended Tention Leg Platform
|
|
ETPR
|
Extended Thermal Plastic Rubber
|
|
ETS
|
Emissions Trading Scheme
|
|
EW
|
Eye Wash
|
|
EWA
|
Extra Work Authorisation
|
|
EWH
|
Electric Water Heater
|
|
EWO
|
Engineering Work Order
|
|
F
|
Fahrenheit
|
|
FAB
|
Fabricate
|
|
FAO
|
Food and Agriculture Organisation of the United Na
|
|
FAT
|
Factory Acceptance Test
|
|
FBE
|
Fusion Bonded Epoxy
|
|
FBE
|
Flange Both Ends
|
|
FBHP
|
Flowing Bottom Hole Pressure
|
|
FCAW
|
Flux Cored Arc Welding
|
|
FCC
|
Field Control Coordinator
|
|
FCC
|
Fluid Cat Cracker
|
|
FCO
|
Floor Clean Out
|
|
FD
|
Floor Drain
|
|
FD
|
Dynamic Force
|
|
FDM
|
Frequency Division Multiplexing
|
|
FDN
|
Foundation
|
|
FDS
|
Fire Detection System
|
|
FE
|
Finite Elements
|
|
FEA
|
Finite Element Analysis
|
|
FED STD
|
Federal Standard
|
|
FEED
|
Front End Engineering Design
|
|
FEM
|
Finite Elements Modelling
|
|
FEP
|
Perfluoro (Ethylene-Propylene) Copolymer
|
|
FES
|
Flywheel Energy Storage
|
|
FF
|
First Flush
|
|
FF
|
Finished Floor
|
|
FF
|
Foundation Fieldbus
|
|
FF
|
Flat Face
|
|
F-F
|
Face to Face
|
|
FFL
|
Finished Floor Level
|
|
FFP
|
First Flush Pond
|
|
FFS
|
Fitness For Service
|
|
FFW
|
Field Fillet Weld
|
|
FG
|
Fuel Gas
|
|
FGH
|
High Pressure Fuel Gas
|
|
FGL
|
Finished Ground Level
|
|
FGL
|
Low Pressure Fuel Gas
|
|
FGRS
|
Flare Gas Recovery System
|
|
FI
|
Indicating Flow Meter
|
|
FIG
|
Figure
|
|
FIN
|
Finish
|
|
FLE
|
Flexible Large End
|
|
FLEX
|
Flexible
|
|
FLG
|
Flange
|
|
FLO
|
Flushing Oil
|
|
FLP
|
Floating Loading Platform
|
|
FM
|
Factory Mutual
|
|
FM
|
Frequency Modulation
|
|
FMR
|
Field Material Requisition
|
|
FMU
|
Fitting Make Up
|
|
FNPT
|
Female National (Taper) Pipe Threads
|
|
FO
|
Fuel Oil
|
|
FOB
|
Flat on Bottom
|
|
FOE
|
Flange One End
|
|
FOF
|
Face of Flange
|
|
FOT
|
Fiber Optic Transmission
|
|
FOT
|
Flat on Top
|
|
FP
|
Full Port
|
|
FPE
|
Fair Price Estimate
|
|
FPS
|
Floating Production System
|
|
FPSO
|
Floating Production Storage and Offloading
|
|
FPU
|
Floating Production Unit
|
|
FR&P
|
Form, Rebar and Pour
|
|
FRED
|
Fire Release Explosion Dispersion
|
|
FRL
|
Finished Road Level
|
|
FRP
|
Fibreglass Reinforced Plastic
|
|
FRP
|
Fibre Reinforced Plastic
|
|
FS
|
Finished Surface
|
|
FS
|
Feasibility Study
|
|
FS
|
Forged Steel
|
|
FS
|
Flow Switch
|
|
FS
|
Factor of Safety
|
|
FSE
|
Flange Small End
|
|
FSHR
|
Free Standing Hybrid Riser
|
|
FSO
|
Floating Storage and Offloading
|
|
FT
|
Foot, Feet
|
|
FTG
|
Fitting
|
|
FTSPM
|
Fixed Tower Single Point Mooring
|
|
FV
|
Full Vacuum
|
|
FW
|
Fillet Weld
|
|
FW
|
Fire Water
|
|
FWHP
|
Flowing Well Head Pressure
|
|
FWHT
|
Flowing Well Head Temperature
|
|
FAA
|
Federal Aviation Administration
|
|
G
|
Gram
|
|
GA
|
General Arrangement
|
|
GA
|
Gauge
|
|
GALV
|
Galvanised
|
|
GASMO
|
Gulf Arab Standards and Measurement Organization
|
|
GBE
|
Groove Both Ends
|
|
GC
|
Gas Cromatograph
|
|
GE
|
Groove End
|
|
GEA
|
Geothermal Energy Association
|
|
GESC
|
General Engineering Services Contract
|
|
GFRP
|
Glass Fibre Reinforced Plastic
|
|
GG
|
Gart Gas
|
|
GHG
|
Green House Gas
|
|
GI
|
General Instruction
|
|
GIM
|
Global Interface Meeting
|
|
GIP
|
Gas Injection Plant
|
|
GJ
|
Ground Joint
|
|
GLE
|
Groove Large End
|
|
GMAW
|
Gas Metal Arc Welding
|
|
GMP
|
Guaranteed Maximum Price
|
|
GO
|
Gear Operator
|
|
GOE
|
Groove One End
|
|
GOM
|
Gulf of Mexico
|
|
GOR
|
Gas Oil Ratio
|
|
GOS
|
Grade of Service
|
|
GOSP
|
Gas Oil Seperation Plant
|
|
GPF
|
General Planning Forecast
|
|
gpm
|
Gallons per Minute
|
|
GPS
|
Global Positioning System
|
|
GR
|
Grade
|
|
GRND
|
Ground(ed)
|
|
GRP
|
Glass Reinforced Plastic
|
|
GS
|
Gravity Sewer
|
|
GSE
|
Groove Small End
|
|
GSI
|
Geological Strength Index
|
|
GSKT
|
Gasket
|
|
GSPD
|
General Service Plant Depreciation
|
|
GSPR
|
General Service Potential Rise
|
|
GSS
|
Gravity Sewer System
|
|
GSV
|
Gross Standard Volume
|
|
GTAW
|
Gas Tungsten Arc Welding
|
|
GTE
|
General Telephone and Electronics
|
|
GT-MHR
|
Gas Turbine Modular Helium Reactor
|
|
GWR
|
Guided Wave Radar
|
|
H
|
Horizontal
|
|
H
|
Hydrogen
|
|
H2S
|
Hydrogen Sulphide
|
|
HAZ
|
Heat Affected Zone
|
|
HAZID
|
Hazard Identification
|
|
HAZOP
|
Hazard and Operability Study
|
|
HB
|
Hose Bibb
|
|
HB
|
Hardness Brinell Scale
|
|
HCL
|
Hydrochloric Acid
|
|
HCR
|
Hybrid Catenary Riser
|
|
HD
|
Head
|
|
HD
|
Heavy Density
|
|
HD
|
Holding Down
|
|
HDB
|
Hydrostatic Design Basis
|
|
HDPE
|
High Density Polyethylene
|
|
HDR
|
Header
|
|
HE
|
Heat Exchanger
|
|
HEX
|
Hexagonal
|
|
HF
|
Hard Faced
|
|
HF
|
High Frequency
|
|
HI
|
Hydraulic Institute Standard
|
|
HIC
|
Hydrogen Induced Cracking
|
|
HIPS
|
High Integrity Protection System
|
|
HK
|
Hardness Knoop Scale
|
|
HLT
|
Heap Leach Trial
|
|
HMI
|
Human Machine Interface
|
|
HO
|
High Order
|
|
HO
|
Hydraulic Oil
|
|
HOV
|
Hydraulic Operated Valve
|
|
HP
|
High Pressure
|
|
HP
|
High Point
|
|
HPFS
|
High Point Finished Surface
|
|
HPG
|
Hyperion Power Generation
|
|
HPP
|
High Point Paving
|
|
HPPT
|
High Pressure Production Trap
|
|
HPTT
|
High Pressure Test Trap
|
|
HPAAS
|
High Pressure Air Assist System
|
|
HR
|
Human Resources
|
|
HR15N
|
Hardness Rockwell 15N Scale
|
|
HRB
|
Hardness Rockwell B Scale
|
|
HRC
|
Hardness Rockwell C Scale
|
|
HRSG
|
Heat Recovery Steam Generator
|
|
HSE
|
Health Safety & Environment
|
|
HSFG
|
High Strength Friction Grip
|
|
HSG
|
Hydrogen Sulphide Gas
|
|
HT
|
Heat Treatment
|
|
HU
|
Humidifier
|
|
HV
|
High Voltage
|
|
HV
|
Hardness Vickers Scale
|
|
HVAC
|
Heating Ventilation Air Conditioning
|
|
HVL
|
Highly Volatile Liquid
|
|
HW
|
Hand Wheel
|
|
Hz
|
Hertz
|
|
I&C
|
Instrumentation and Controls
|
|
I/O
|
Input/Output
|
|
IA
|
Instrument Air
|
|
IALA
|
International Association of Lighthouse Authoritie
|
|
IAMG
|
International Association for Mathematical Geology
|
|
IAPMO
|
International Association of Plumbing and Mechani
|
|
IASS
|
Interantional Association for Shell and Spacial St
|
|
IBBM
|
Iron Body Bronze Mounted
|
|
IBC
|
International Building Code
|
|
IBN
|
Institute Beige de Normalisation
|
|
IBPS
|
Intermediate Booster Pump Station
|
|
IC
|
Intermediate Cross Connect
|
|
ICD
|
Interface Control Document
|
|
ICD
|
Inflow Control Devices
|
|
ICE
|
Institution of Civil Engineers
|
|
ICEA
|
Insulated Cable Engineers Association
|
|
ICPR
|
Interantional Concrete Repair Institute
|
|
ICV
|
Inflow Control Valve
|
|
ID
|
Inside Diameter
|
|
ID
|
Inch Diameter
|
|
IDA
|
International Development Association
|
|
IEC
|
International Electrotechnical Commision
|
|
IEEE
|
Institute of Electrical and Electronics Engineers
|
|
IF
|
Inertial Filter
|
|
IF
|
Intermediate Frequency
|
|
IFB
|
Issue for Bid
|
|
IFC
|
International Fire Code
|
|
IFC
|
Issued For Construction
|
|
IFR
|
Internal Floating Roof
|
|
IGCC
|
Integrated Gasification Combined Cycle
|
|
IL
|
Invert Level
|
|
ILD
|
Instrument Loop Diagram
|
|
ILO
|
International Labour Organisation
|
|
IM
|
Intermodulation
|
|
IMC
|
International Mechanical Code
|
|
IMO
|
International Maritime Oraganization
|
|
IMS
|
Information Management System
|
|
IMTS
|
Improved Mobile Telephone System
|
|
IN
|
Inch
|
|
INS
|
Insulation
|
|
INT.
|
Internal
|
|
INTIB
|
Industrial and Technological Information Bank
|
|
IP
|
Interface Point
|
|
IPC
|
International Plumbing Code
|
|
IPPT
|
Intermediate Pressure Production Trap
|
|
IPS
|
Intermediate Pump Station
|
|
IPTI
|
International Petroleum Technology Institute
|
|
IR
|
Industrial Relations
|
|
IR
|
Infrared
|
|
IREC
|
Interstate Renewable Energy Council
|
|
IRHD
|
International Rubber Hardness
|
|
IRIS
|
International Reactor Innovative and Secure
|
|
IRM
|
Inspection, Repair and Maintenance
|
|
IRR
|
Internal Rate of Return
|
|
ISA
|
Instrument Society of America
|
|
ISA
|
International Society for Measurement and Control
|
|
ISBL
|
Inside Battery Limits
|
|
ISD
|
Instrument Segment Diagram
|
|
ISF
|
Industrial Support Facilities
|
|
ISLT
|
Indian Spring Low Tide
|
|
ISNRS
|
Inside Screw Non Rising Stem
|
|
ISO
|
Isometric Drawing
|
|
ISO
|
International Standards Organization
|
|
ISO
|
International System Standard
|
|
ISRS
|
Inside Screw Rising Stem
|
|
ISS
|
Instrument Specificaton Sheet
|
|
ISTRUCTE
|
Institution of Structural Engineers
|
|
IT
|
Information Technology
|
|
ITB
|
Invitation to Bid
|
|
ITCS
|
Impact Tested Carbon Steel
|
|
ITP
|
Inspection and Test Plans
|
|
ITS
|
Indirect Tensile Strength
|
|
IWA
|
Individual Work Area
|
|
JDA
|
Joint Development Agreement
|
|
JE
|
Joint Efficiency
|
|
JIS
|
Japanese Standards Association
|
|
JV
|
Joint Venture
|
|
KCS
|
Killed Carbon Steel
|
|
KG
|
Kilogram
|
|
KO
|
Knock Out
|
|
KPA
|
Kilopascals
|
|
L
|
Length
|
|
L/M
|
List of Materials
|
|
LAN
|
Local Area Network
|
|
LAT
|
Lowest Astronomical Tide
|
|
LCC
|
Life Cycle Cost
|
|
LCD
|
Liquid Crystal Display
|
|
LDF
|
Lay Down in Field
|
|
LDPE
|
Low Density Polyethylene
|
|
LED
|
Light Emitting Diode
|
|
LEL
|
Lower Explosive Limit
|
|
LFCP
|
Local Fire Control Panel
|
|
LFL
|
Lower Flammable Limit
|
|
LIBIS
|
Leuvens Integraal Bibliotheek System
|
|
LJ
|
Lap Joint
|
|
LLP
|
Last Landed Price
|
|
LMTD
|
Log Mean Temperature Difference
|
|
LNG
|
Liquified Natural Gas
|
|
LO
|
Lube Oil
|
|
LOB
|
Limited Open Book
|
|
LODMAT
|
Lowest One Day Mean Atmospheric Temperature
|
|
LP
|
Low Pressure
|
|
LPCPD
|
Litres Per Capita Per Day
|
|
LPD
|
Loss Prevention Department
|
|
LPDCPD
|
Litres Per Dental Chair Per Day
|
|
LPDT
|
Low Pressure Degassing Tank
|
|
LPFS
|
Low Point Finished Surface
|
|
LPG
|
Liquified Petroleum Gas (Propane and Butane)
|
|
LPG
|
Liquified Petroleum Gas
|
|
LPHPD
|
Litres Per House Per Day
|
|
LPP
|
Low Point Paving
|
|
LPPT
|
Low Pressure Production Trap
|
|
LPSMPD
|
Litres Per Capita Square Meter Day
|
|
LPT
|
Liquid Penetrant Test
|
|
LPT
|
Low Point
|
|
LR
|
Long Radius
|
|
LRFD
|
Load and Resistance Factor Design
|
|
LS
|
LumpSum
|
|
LS
|
Lump Sum
|
|
LS
|
Lifting Station
|
|
LS/PM
|
Lump-sum Procure/Build
|
|
LSPB
|
Lumpsum, Procure, Build
|
|
LSTK
|
Lumpsum Turnkey
|
|
LT
|
Lead Time
|
|
LTE
|
Long Tangent Elbow
|
|
LUP
|
Land Use Permit
|
|
LV
|
Low Voltage
|
|
LVL
|
Level
|
|
LWN
|
Long Welding Neck
|
|
M
|
Meter
|
|
M/E
|
Mechanical/Electrical
|
|
mA
|
Milliampere
|
|
MACs
|
Moves, adds, changes
|
|
MAG
|
Metal Active Gas Welding
|
|
MATICS
|
Material Inventory Control System
|
|
MAWP
|
Maximum Allowable Working Pressure
|
|
MAX
|
Maximum
|
|
MBCD
|
Thousand barrels per Calender Day
|
|
MBD
|
Thousandd Barrels per Day
|
|
MBOD
|
Thousand barrels per Operating Day
|
|
MC
|
Main Cross Connect
|
|
MCC
|
Mechanical Completion Certificate
|
|
MCT
|
Multi Cable Transit
|
|
MD
|
Measured Depth
|
|
MDEA
|
Methyl-di-ethynol amine
|
|
MDMT
|
Minimum Design Metal Temperature
|
|
MDOF
|
Multi Degree of Freedom
|
|
ME
|
Methanol
|
|
ME
|
Manufacturing Engineering
|
|
MEA
|
Mono Ethanol Amine
|
|
MESG
|
Maximum Experimental Safe Gap
|
|
MF
|
Meter Factor
|
|
MFAP
|
Membrane Filtration Affinity Purification
|
|
MFCL
|
Material Flow Control List
|
|
MFG
|
Manufacturer
|
|
MFS
|
Maximum Flooding Surfaces
|
|
MH
|
Man Hole
|
|
MHA
|
Motor Head Assembly
|
|
MI
|
Malleable Iron
|
|
MIC
|
Minimum Ignition Current
|
|
MICA
|
Materials Investment Control Analyst
|
|
MIG
|
Metal Inert Gas Welding
|
|
MIN
|
Minimum
|
|
MISC
|
Miscellaneous
|
|
MJ
|
Movement Joint
|
|
MJ
|
Mechanical Joint
|
|
MMA
|
Manual Metal Arc Welding
|
|
MMI
|
Man Machine Interface
|
|
MMS
|
Minerals Management Service
|
|
MMscfd
|
Million standard cubic feet per day
|
|
MNPT
|
Male National (Taper) Pipe Threads
|
|
MO
|
Molybdenum
|
|
MO
|
Mist Oil
|
|
MOD
|
Ministry of Defence
|
|
MODU
|
Mobile Offshore Drilling Unit
|
|
MOF
|
Materials Offloading Facility
|
|
MOPU
|
Mobile Offshore Production Units
|
|
MOSAIC
|
Materials on Order Status Analysis Information and
|
|
MOT
|
Ministry of Transport
|
|
MOU
|
Memorandom of Understanding
|
|
MOU
|
Mobile Offshore Unit
|
|
MOV
|
Motor Operated Valve
|
|
MP
|
Magnetic Particle Testing
|
|
MPFM
|
Multiphase Flow Meter
|
|
MPMS
|
Manual of Petroleum Measurement
|
|
MPP
|
Manpower Projection Plan
|
|
MPTA
|
Mechanical Power Transmission Association
|
|
MR
|
Material Requisition
|
|
MRC
|
Maximum Reservoir Contact
|
|
MRF
|
Manpower Requirements Forecast
|
|
MRO
|
Maintenance Repair Operations
|
|
MS
|
Mild Steel
|
|
MSC
|
Maximum Sustained Capacity
|
|
MSC
|
Metering Supervisory Computer
|
|
MSD
|
Material Selection Diagram
|
|
MSDS
|
Material Safety Data Sheet
|
|
MSE
|
Material System Enhancements
|
|
MSIS
|
Material Supply Information Systems
|
|
MSL
|
Mean Sea Level
|
|
MSO
|
Material Supply Organisation
|
|
MSS
|
Manufacturers Standardization Society
|
|
MT
|
Magnetic Particle Testing (Exam)
|
|
MTBE
|
Methyl Tertiary Butyl Ether
|
|
MTBF
|
Mean Time Between Failures
|
|
MTL
|
Material
|
|
MTO
|
Material Take Off
|
|
MTR
|
Material Test Report
|
|
MTS
|
Material Teleprocessing System
|
|
MW
|
Megawatt
|
|
MW
|
Groundwater Monitoring Well
|
|
MW
|
Microwave
|
|
MWO
|
Maintenance Work Order
|
|
MWP
|
Major Work Phase
|
|
MxF
|
Male by Female
|
|
N
|
Nitrogen
|
|
N/A
|
Not Applicable
|
|
NACE
|
National Association of Corrosion Engineers
|
|
NBR
|
Nitrile-Butadiene/Nitrile of BunaN Rubber
|
|
NCCI
|
Non Contradictory Complimentary Information
|
|
NCR
|
Non Conformance Report
|
|
NCU
|
National Currency Unit
|
|
NDE
|
Non Destructive Examination
|
|
NDE
|
Net Direct Expenditure
|
|
NEC
|
National Electrical Code
|
|
NEI
|
Nuclear Energy Institute
|
|
NEMA
|
National Electrical Manufacturers Association
|
|
NESC
|
National Electric Safety Code
|
|
NEXT
|
Near End Cross Talk
|
|
NFPA
|
National Fire Protection Association
|
|
NG
|
Natural Gas
|
|
NG-BUE
|
Non Gaussian Best Unbiased Estimate
|
|
NGL
|
Natural Gas Liquids
|
|
NGLC
|
Natural Gas Liquids Centre
|
|
NHA
|
National Hydrogen Association
|
|
NI
|
Nickel
|
|
NIPP
|
Nipple
|
|
NIR
|
Near Infrared
|
|
NMC
|
Network Maintenance Centre
|
|
NOABL
|
National Wind Speed Database
|
|
NOC
|
National Oil Company
|
|
NOCC
|
Networks Operations Control Centre
|
|
NOCC
|
Network Operations Control Centre
|
|
NPL
|
Neutral Pressure Level
|
|
NPS
|
Nominal Pipe Size
|
|
NPSH
|
Net Positive Suction Head
|
|
NPSHA
|
Net Positive Suction Head Available
|
|
NPSHR
|
Net Positive Suction Head Required
|
|
NPT
|
National (Taper) Pipe Thread
|
|
NPV
|
Net Present Value
|
|
NPVR
|
Net Present Value Ratio
|
|
NRC
|
Nuclear Regulatory Commission
|
|
NRS
|
Non-Rising Stern
|
|
NRTL
|
Nationally Recognised Testing Laboratory
|
|
NSF
|
National Sanitation Foundation
|
|
NSSS
|
National Structural Steelwork Specification
|
|
NTS
|
Not to Scale
|
|
O&G
|
Oil and Gas
|
|
O&R
|
Overhaul and Repair
|
|
OAT
|
Operational Availability Test
|
|
OBE
|
Open Book Estimate
|
|
OCIMF
|
Oil Companies International Marine Forum
|
|
OCMA
|
Oil Companies Materials Association
|
|
OD
|
Outside Diameter
|
|
OGOEAD
|
Oil and Gas Operations Exploration Applications Di
|
|
OH
|
On Hand Quantity
|
|
OHS
|
Occupational Health and Safety
|
|
OIO
|
Operational Investment Overhead
|
|
OO
|
On Order Quantity
|
|
OPEC
|
Organisation of the Petroleum Exporting Countries
|
|
OPEX
|
Operating Expenditure
|
|
ORGANIGRAM
|
Organisational Diagram
|
|
ORIF
|
Orifice
|
|
OS
|
On Stream
|
|
OS
|
Oppurtunity Study
|
|
OS
|
Oily Sludge
|
|
OS&Y
|
Outside Screw and Yoke
|
|
OSBL
|
Outside Battery Limits
|
|
OSHA
|
Occupational Safety and Health Administration
|
|
OSI
|
Onstream Inspection
|
|
OSP
|
Oil Supply Planning and Scheduling
|
|
OT
|
Orienting Tool
|
|
OTK
|
Oil Tank
|
|
OTM
|
Overturning Moments
|
|
OW
|
Oily Water
|
|
OWP
|
Oily Waste-Water Pond
|
|
OWPU
|
Oily Water Pre-seperator Unit
|
|
OWS
|
Oily Water Sewer
|
|
OWSJ
|
Open Web Steel Joist
|
|
P
|
Oil and Oil Products
|
|
P&IC
|
Purchasing and Inventory Control
|
|
P&IDs
|
Process and Instrument Diagrams
|
|
P/E
|
Planning Engineer
|
|
P/E
|
Project Engineer
|
|
P/L
|
Pipe Line
|
|
PA
|
Process Air
|
|
PARA
|
Paragraph
|
|
PATIS
|
Purchasing and Traffic Information System
|
|
PAW
|
Plasma Arc Welding
|
|
PB
|
Process Block
|
|
PBE
|
Plain Both Ends
|
|
PBMR
|
Pebble Bed Modular Reactor
|
|
PCA
|
Portland Cement Association
|
|
PCB
|
Printed Circuit Board
|
|
PCC
|
Powder Control Centre
|
|
PCCI
|
Power Capital Costs Index
|
|
PCI
|
Precast/Prestressed Concrete Institute
|
|
PCL
|
Project Construction Leader
|
|
PCOS
|
Project Completion System
|
|
PCPT
|
Piezocone Penetrometer
|
|
PCS
|
Project Completion Schedule
|
|
PCS
|
Process Control System
|
|
PDC
|
Peak Daily Consumption
|
|
PDM
|
Precedence Diagram Method
|
|
PDMS
|
Petroleum Database Management System
|
|
PDO
|
Plan for Development and Operation
|
|
PDP
|
Plasma Display Panel
|
|
PDR
|
Preliminary Design Review
|
|
PDS
|
Plant Design System
|
|
PE
|
Pond Effluent
|
|
PE
|
Plain End
|
|
PE
|
Polyethylene
|
|
PELFEXT
|
Power Sum Equal Level Far End Cross Talk
|
|
PEM
|
Project Execution Manual
|
|
PEP
|
Project Execution Plan
|
|
PERT
|
Program Evaluation and Review Techniques
|
|
PES
|
Power and Energy Society
|
|
PES
|
Potential Explosion Site
|
|
PETROMIN
|
Petroleum and Mineral
|
|
PF
|
Peak Factor
|
|
PFA
|
Perfluoro (Alkoxyalkane) Copolymer
|
|
PFC
|
Parallel Flange Channel
|
|
PFC
|
Predicted Final Cost
|
|
PFD
|
Process Flow Diagram
|
|
PFR
|
Peak Flow Rate
|
|
PG
|
Purge Gas
|
|
PGA
|
Peak Ground Acceleration
|
|
PHC
|
Peak Hourly Consumption
|
|
P-I
|
Pressure Impulse
|
|
PIB
|
Process Interface Building
|
|
PIC
|
Indicating Pressure Controller
|
|
PIP
|
Process Industry Practise
|
|
PIP
|
Pipe in Pipe
|
|
PIV
|
Post Indicator Valve
|
|
PL
|
Plate
|
|
PLC
|
Power Line Carrier
|
|
PLC
|
Programmable Logic Controller
|
|
PLE
|
Plain Large End
|
|
PM
|
Project Manager
|
|
PM&C
|
Project Management and Construction
|
|
PMC
|
Project Management Consultant
|
|
PMC
|
Project Management Contract
|
|
PMI
|
Positive Material Identification
|
|
PMS
|
Project Management Services
|
|
PMSC
|
Project Management Services Contract
|
|
PMSD
|
Project Materials Supply Department
|
|
PMSO
|
Project Material Services Organisation
|
|
PMT
|
Project Management Team
|
|
PO
|
Pump Out
|
|
PO
|
Purchase Order
|
|
PO
|
Pushed On
|
|
POC
|
Potentially Oil/Chemical Contaminated
|
|
POE
|
Plain One End
|
|
POM
|
Pipeline Operations Module
|
|
POOH
|
Pulled Out of Hole
|
|
POS
|
Point of Support
|
|
PP
|
Project Proposal
|
|
PP
|
Polypropylene
|
|
PPB
|
Parts per Billion
|
|
PPI
|
Plastics Pipe Institute
|
|
PPM
|
Parts per Million
|
|
PR
|
Purchase Requisition
|
|
PR
|
Pressure Reducer
|
|
PR
|
Pipe Rack
|
|
PRE-FAT
|
Pre-Factory Acceptance Test
|
|
PRESS
|
Pressure
|
|
PS
|
Pumping Station
|
|
PS
|
Pipe Support
|
|
PS
|
Pressure Sewer
|
|
PS
|
Prefeasibility Study
|
|
PSB
|
Pressure Seal Bonnet
|
|
PSE
|
Plain Small End
|
|
PSE
|
Planning/Scheduling Engineer
|
|
PSHA
|
Probibalistic Seismic Hazard Analysis
|
|
PSI
|
Pounds per Square Inch
|
|
PSIA
|
Pounds per Square Inch Absolute
|
|
PSIA
|
Pounds per Square Inch Atmospheric
|
|
PSIG
|
Pounds per Square Inch Gauge
|
|
PSNEXT
|
Power Sum Near End Cross Talk
|
|
PT
|
Percolation Test
|
|
PT
|
Liquid Penetrant Testing (Exam)
|
|
PT
|
Pump Trims
|
|
P-T
|
Pressure Temperature
|
|
PTA
|
Purchasing Traffic and Accounting
|
|
PTFE
|
Poly Tetra Fluoro Ethylene
|
|
PTS
|
Pipe Tracking System
|
|
PV
|
Photovoltaic
|
|
PVC
|
Poly Vinyl Chloride
|
|
PVD
|
Plant Vertical Datum
|
|
PVDC
|
Polyvinylidene Chloride
|
|
PVDF
|
Polyvinylidene Fluoride
|
|
pW
|
Pico Watt
|
|
PW
|
Potable Water
|
|
PW
|
Process Water
|
|
PWAC
|
Present Worth of Annual Charges
|
|
PWHT
|
Post Weld Heat Treatment
|
|
PWI
|
Power Water Injection
|
|
PZV
|
Pressure Safety Relief Valve
|
|
Q
|
Quantity
|
|
QA
|
Quality Assurance
|
|
QA
|
Quality Assessment
|
|
QAM
|
Quality Assurance Manual
|
|
QC
|
Quality Control
|
|
QCR
|
Quality Control Record
|
|
QR
|
Qualification Record
|
|
QR
|
Quotation Request
|
|
QS
|
Quantity Surveyor
|
|
R
|
Refrigerants
|
|
R&D
|
Research and Development
|
|
R/P
|
Request for Purchase
|
|
RA
|
Roughness Average
|
|
RAD
|
Radius
|
|
RAM
|
Random Access Memory
|
|
RAT
|
Rating
|
|
RC
|
Reimbursable Cost
|
|
RC
|
Reinforced Concrete
|
|
RCA
|
Required Corrective Action
|
|
RCDD
|
Registered Communications Distribution Design
|
|
RCP
|
Reinforced Concrete Pipe
|
|
RCS
|
Remote Console Software
|
|
RCS
|
Remote Computer System
|
|
RCSC
|
Reservoir Characterisation and Simulation Conferen
|
|
RE
|
Renewable Energy
|
|
REA
|
Rural Electric Administration
|
|
RED
|
Reducer; Reducing
|
|
REF
|
Reference
|
|
REINF
|
Reinforced
|
|
REP
|
Renewable Energy Plant
|
|
REPAD
|
Reinforcing Pad
|
|
REQD
|
Required
|
|
RER
|
Rupture Explosion Radius
|
|
REV
|
Revision
|
|
RF
|
Raised Face
|
|
RFI
|
Radio Frequency Interference
|
|
RFI
|
Request for Inspection
|
|
RFQ
|
Request for Quotation
|
|
RFSU
|
Ready for Start Up
|
|
RG
|
Rough Grade
|
|
RHS
|
Rectangular Hollow Section
|
|
RIH
|
Run In Hole
|
|
RJ
|
Ring Joint
|
|
RL
|
Relief Line
|
|
RLC
|
Cold Relief Line
|
|
RLW
|
Warm Relief Line
|
|
RMR
|
Rock Mass Rating
|
|
RO
|
Renewables Obligation
|
|
RO
|
Reverse Osmosis
|
|
ROM
|
Read Only Memory
|
|
ROTV
|
Remotely Operated Towed Vehicle
|
|
ROV
|
Remotely Operated Vehicle
|
|
RP
|
Reduced Port
|
|
RPM
|
Revolutions per Minute
|
|
RPO
|
Restrained Push On
|
|
RS
|
Rising Stem
|
|
RSA
|
Responsible Standardisation Agency Representative
|
|
RSC
|
Radiation Safety Committee
|
|
RSCR
|
Reeled Steel Catenary Riser
|
|
RSO
|
Radiation Safety Officer
|
|
RT
|
Radiographic Testing (Exam)
|
|
RTD
|
Resistance Temperature Detector
|
|
RTFE
|
Reinforced TFE
|
|
RTFO
|
Renewable Transport Fuel Obligation
|
|
RTM
|
Riser Turret Mooring
|
|
RTP
|
Reinforced Thermosetting Plastic
|
|
RTRP
|
Glass Fibre Reinforced Thermotsetting Resin Pipe
|
|
RTSA
|
Real Time Security Analysis
|
|
RTU
|
Remote Terminal Units
|
|
RVL
|
Restricted Vendor List
|
|
RW
|
Raw Water
|
|
RWO
|
Rain Water Outlet
|
|
SA
|
Sulphuric Acid
|
|
SALM
|
Single Anchor Leg Mooring
|
|
SALS
|
Single Anchor Leg Storage
|
|
SASO
|
Saudi Arabian Standards Organisation
|
|
SAT
|
Site Acceptance Test
|
|
SAW
|
Submerged Arc Welding
|
|
SBS
|
Single Buoy Storage
|
|
SBS
|
Styrene-Butadiene-Styrene
|
|
SC
|
Steam Condensate
|
|
SC
|
Sub-Contract
|
|
SC
|
Sanitary Code
|
|
SCA
|
Spent Caustic
|
|
SCADA
|
Supervisory Control And Data Acquisition
|
|
SCH
|
Schedule
|
|
SCI
|
Steel Construction Institute
|
|
SCPC
|
Single Channel Per Carrier
|
|
SCS
|
Structured Cabling System
|
|
SD
|
Storm Drain
|
|
SD
|
Sanitary Drainage
|
|
SDD
|
System Design Document
|
|
SDI
|
Steel Deck Institute
|
|
SDOF
|
Single Degree of Freedom
|
|
SDR
|
Standard Dimensional Ratio
|
|
SEI
|
Structural Engineering Institute
|
|
SF
|
Sulphur
|
|
SG
|
Specific Gravity
|
|
SGS
|
Shell Global Solutions
|
|
SHF
|
Super High Frequency
|
|
SHS
|
Square Hollow Section
|
|
SI
|
Silicon
|
|
SI
|
System Internationale
|
|
SIF
|
Strength Increase Factor
|
|
SIH
|
Satelite Instrument House
|
|
SIL
|
Safety Integrity Level
|
|
SIS
|
Supplier Information System
|
|
SIS
|
Swedish Standards Institution
|
|
SIS
|
Safety Instruction Sheet
|
|
SJI
|
Steel Joist Institute
|
|
SLRS
|
Seismic Load Resisting System
|
|
SMAW
|
Shielded Metal Arc Welding
|
|
SMES
|
Superconducting Magnetic Energy Storage
|
|
SMF
|
Systems Management Facility
|
|
SMH
|
Standard Manhour
|
|
SMLS
|
Seamless
|
|
SMM
|
Standard Method of Measurement
|
|
SMS
|
Seafloor Massive Sulphide
|
|
SMYS
|
Specified Minimum Yield Strength
|
|
SO
|
Slip On
|
|
SO
|
Seal Oil
|
|
SOC
|
Safe Operation Committee
|
|
SOE
|
Sequence of Events
|
|
SOL
|
Sockolet
|
|
SOLAS
|
International Convention for Safety of Life at Sea
|
|
SOW
|
Sour Water
|
|
SOW
|
Scope of Work
|
|
SPA
|
Spacer
|
|
SPC
|
Stored Program Control
|
|
SPDT
|
Single Pole Double Throw
|
|
SPE
|
Society of Petroleum Engineers
|
|
SPE
|
Senior Project Engineer
|
|
SPEC
|
Specification
|
|
SPM
|
Single Point Mooring
|
|
SPMB
|
Single Point Mooring Buoys
|
|
SPMT
|
Self Propelled Modular Transport
|
|
SPO
|
Slop Oil
|
|
SPPCR
|
Steam Power Plant Control Room
|
|
SP-WD
|
Spiral Wound
|
|
SQ
|
Square
|
|
SR
|
Short Radius
|
|
SR
|
Sewer (Storm)
|
|
SRC
|
Seismic Risk Category
|
|
SRD
|
Soil Resistance to Driving
|
|
SRO
|
Senior Reactor Operator
|
|
SRS
|
Safety Requirements Specification
|
|
SS
|
Stainless Steel
|
|
SSD
|
Security and Safety Directive
|
|
SSD
|
Safety Shutdown
|
|
SSL
|
Structural Slab Level
|
|
SSPC
|
Society of Protective Coatings
|
|
SSPC
|
Steel Structure Painting Council
|
|
SSSV
|
Subsurface Safety Valve
|
|
SSV
|
Surface Safety Valve
|
|
ST
|
Seat
|
|
STD
|
Standard
|
|
STG
|
Steam Turbine Generator
|
|
STL
|
Steel
|
|
STM
|
Steam
|
|
STO
|
Stock Oil Tank
|
|
STP
|
Solar Thermal Power
|
|
STS
|
Standard Telephone System
|
|
STU
|
Shock Transmission Units
|
|
SUD
|
Start Up Date
|
|
SURF
|
Subsea Umbilicals Risers Flowlines
|
|
SVC
|
Service
|
|
SW
|
Salt Water
|
|
SW
|
Socket Weld
|
|
SWA
|
Single Wire Armoured
|
|
SWCC
|
Saline Water Conversion Corporation
|
|
SWD
|
Salt Water Disposal
|
|
SWG
|
Swage
|
|
SWL
|
Static Water Level
|
|
SWL
|
Safe Working Load
|
|
SWMH
|
Sanitary Water Manhole
|
|
SWS
|
Sanitary Waste Sewer
|
|
SWS
|
Sanitary Water Sewer
|
|
SWW
|
Sanitary Waste Water
|
|
SYM.
|
Symmetrical
|
|
T&C
|
Threaded and Coupled
|
|
T&G
|
Tongue and Groove
|
|
T&I
|
Testing and Inspection
|
|
T/C
|
Thermocouple
|
|
T/SW
|
Threaded by Socketweld
|
|
TAN
|
Tangent
|
|
TAP
|
Trans Arabian Pipeline
|
|
TBB
|
Telecommunications Bonding Backbone
|
|
TBBIBC
|
Telecommunications Bonding Backbone Interconnectin
|
|
TBE
|
Thread Both Ends
|
|
TBE
|
Technical Bid Evaluations
|
|
TBM
|
Tunnel Boring Machine
|
|
TD
|
Total Depth
|
|
TDM
|
Time Division Multiplexing
|
|
TDMA
|
Time Division Multiple Access
|
|
TDMM
|
Telecommunications Distribution Methods Manual
|
|
TDS
|
Total Dissolved Solids
|
|
TEDFLOW
|
Flow of Inspection and Tests
|
|
TEG
|
Tri Ethylene Glycol
|
|
TEG
|
Thermo-Electric Generator
|
|
TEL
|
Tetraethyllead
|
|
TEMA
|
Tubular Exchangers Manufacturers Association
|
|
TEMP
|
Temperature
|
|
TER
|
Telecommunications Equipment Room
|
|
TFE
|
Tetrafluoroethylene
|
|
TFL
|
Through Flow Line
|
|
TFS
|
Total Field Supply
|
|
THK
|
Thick
|
|
THRD
|
Thread, Threaded
|
|
TI
|
Titanium
|
|
TIG
|
Tungsten Inert Gas Welding
|
|
TK
|
TurnKey
|
|
TKLS
|
Turnkey Lumpsum
|
|
TL
|
Trunk Line
|
|
TLC
|
Total Landed Cost
|
|
TLE
|
Thread Large End
|
|
TLP
|
Tension Leg Platform
|
|
TLT
|
Total Lead Time
|
|
TMG
|
Trans Mercator Grid
|
|
TMGB
|
Telecommunications Main Grounding Busbar
|
|
TML
|
Tetramethyllead
|
|
TMS
|
Terminal Management System
|
|
TOC
|
Top of Concrete
|
|
TOE
|
Thread One End
|
|
TOG
|
Top of Grout
|
|
TOL
|
Thredolet
|
|
TOP
|
Top of Pipe
|
|
TOS
|
Top of Steel
|
|
TOS
|
Top of Support
|
|
TOS
|
Top of Slab
|
|
TP
|
Technical Proposal
|
|
TP
|
Trial Pit
|
|
TPG
|
Thermo-Powered Generator
|
|
TPV
|
Trap Prime Valve
|
|
TPW
|
Tempered Water
|
|
TQM
|
Technical Query Memorandom
|
|
TR
|
Telecommunications Room
|
|
TSE
|
Thread Small End
|
|
TSER
|
Telecommunications Service Entrance
|
|
TSU
|
Technical Support Unit
|
|
TSYM
|
Tower Soft Yoke Mooring
|
|
T-T
|
Tangent to Tangent
|
|
TW
|
Treated Water
|
|
TW
|
Thermowells
|
|
TYP
|
Typical
|
|
U
|
Units
|
|
U.N.O
|
Unless Noted Otherwise
|
|
UA
|
Utility Air
|
|
UAV
|
Unmanned Aerial Vehicle
|
|
UB
|
Union Bonnet
|
|
UB
|
Universal Beam
|
|
UBC
|
Uniform Building Code
|
|
UC
|
Universal Column
|
|
UCS
|
Ulitimate Compressive Strength
|
|
UDM
|
Unified Dispersion Model
|
|
UEL
|
Upper Explosive Limit
|
|
UFC
|
Uniform Fire Code
|
|
UFD
|
Utility Flow Diagram
|
|
UFL
|
Upper Flammable Limit
|
|
UG
|
Underground
|
|
UGS
|
Underground Services
|
|
UHF
|
Ultra High Frequency
|
|
UHMW
|
Ultra High Molecular Weight
|
|
UL
|
Underwriter Laboratories
|
|
ULS
|
Ultimate Limit State
|
|
UMC
|
Uniform Mechanical Code
|
|
UNC
|
Unified National Coarse Thread
|
|
UNDP
|
United Nations Development Programme
|
|
UNEP
|
United Nations Environment Programme
|
|
UNF
|
Unified National Fine Thread
|
|
UNIDO
|
United Nations Industrial Development Organisation
|
|
UNS
|
Unified Numbering System
|
|
UPS
|
Uninterruptable Power Supply
|
|
USCG
|
United States Coast Guard
|
|
USFB
|
Ultra Shallow Floor Beam
|
|
UT
|
Ultrasonic Testing (Exam)
|
|
UTM
|
Universal Transverse Mercator
|
|
UV
|
Ultra Violet
|
|
UW
|
Utility Water
|
|
V
|
Vertical
|
|
V/D
|
Vents and Drains
|
|
VAC
|
Volts Alternating Current
|
|
VB
|
Valve Box
|
|
VCE
|
Vapour Cloud Explosion
|
|
VDC
|
Volts Direct Current
|
|
VFR
|
Verification Finding Report
|
|
VG
|
Vent Gas
|
|
VHF
|
Very High Frequency
|
|
VLCC
|
Very Large Crude Carrier
|
|
VOD
|
Valves Operating Diagram
|
|
VP
|
Vent Pipe
|
|
VPC
|
Volts Per Cell
|
|
VT
|
Visual Testing (Exam)
|
|
VT
|
Vessel Trim
|
|
VTR
|
Vent through Roof
|
|
W
|
Water
|
|
W
|
Weight
|
|
W/
|
With
|
|
W/C
|
Water Cement Ratio
|
|
W/O
|
Without
|
|
WARM
|
Weekly Automatic Requisition of Material
|
|
WB
|
Welded Bonnet
|
|
WBS
|
Work Breakdown Structure
|
|
WC
|
Water Column
|
|
WCH
|
Wet Crude Handling
|
|
WDM
|
Work Discussion Memorandom
|
|
WE
|
Weld End
|
|
WFT
|
Wet Film Thickness
|
|
WIP
|
Work In Progress
|
|
WIP
|
Water Injection Plant
|
|
WIP
|
Water Injection Pump
|
|
WIPS
|
Water Injection Pump Station
|
|
WISPS
|
Water Injection Supply Pump Station
|
|
WM
|
Waste Management
|
|
WMS
|
Work Management System
|
|
WN
|
Weld Neck
|
|
WO
|
Work Order
|
|
WOG
|
Water, Oil, & Gas
|
|
WOL
|
Weldolet
|
|
WOSEP
|
Water Oil Seperation
|
|
WP
|
Working Point
|
|
WPS
|
Welding Proceedure Specification
|
|
WR
|
Weather Resistant
|
|
WRC
|
Welding Research Council
|
|
WT
|
Wall Thickness
|
|
WT&H
|
Water Tap and Hose
|
|
WTP
|
Water Treatment Plant
|
|
WW
|
Waste Water
|
|
WWP
|
Working Water Pressure
|
|
XS
|
Extra Strong
|
|
XXS
|
Double Extra Strong
|
|
AABC
|
Associated Air Balance Association
|
|
AACE
|
American Association of Cost Engineers
|
|
AARH
|
Arithmetic Average Roughness
|
|
AASHTO
|
American Association of State Highway and Transpor
|
