W
WACC  Weighted Average Cost of Capital
WACAF West and Central Africa
WACOG Weighted Average Cost Of Gas
WAG Water Alternating Gas
WAP Wireless Application Protocol
WAPA Western Area Power Administration (USA)
WB Welded Bonnet
WBM Water Base Mud
WBS Work Breakdown Structure
WC Welded Cover
WCMC  World Conservation Monitoring Centre
WEND   IHO Worldwide Navigational Chart Data Base Committee www.webpage 
WFRC Warrington Fire Research Center
WG Working Group  
WGGI Working Group on Geodesy and Geographic Information
WGS World Geodetic System 
WGS 84  World Geodetic System 1984 www.website
WH  Well Head
WHCP  Well Head Control Panel
WHO World Health Organisation (OMS in french) www.website
WHP Well Head Platform
Well Head Pressure
WHRU Waste Heat Recovery Unit
WHSIP  Well Head Shut In Pressure
WHT Welding Heat Treatment
WIC Welding Institute of Canada
WIS  Warranty Insurance Surveyor
wkor  Workover rig
WL  Working Load
WL-SCSSV Wire Line retrievable Surface Control Sub-surface Safety Valve
WM Weld Metal
WMO(S) World Meteorological Organisation (Standard)
WMP Waste Management Plan
WMU  World Maritime University
WN Welding Neck
WOAD  World Offshore Accident Database (of DNV
WoB West of Britain 
WOCE World Ocean Circulation Experiment  www.website
WOCS Work Over Control System
WOROV  Work ROV (remote operated vehicle)
WoS  West of Shetland Isles 
WP  Working Pressure
WPC World Petroleum Congress (of Alberta, Canada)
WPQ  Welding Procedure Qualification
WPQR  Welding Procedure Qualification Record
WPS  Welding Procedure Specification 
  Worker Protection Standards 
WRC Welding Research Council 
WPS  Weld Procedure Specification 
WRI  Wire Reinforced Institute
WRPC  Warri Refinery and Petrochemical Co. Limited www.webpage (a division of NNPC
WRTB  Wire Rope Technical Board (USA) Writters of wire ropes and slings users manuals
WS  Water Supply
WSCC Western Systems Coordinating Council (NERC Region, USA)
WSD  Working Stress Design
WSI  Weld Seam Inspection 
WPG  Welded Plate Girder 
WST  Wellhead connector Seal Test 
WT  Wall Thickness 
  Working Temperature 
WV  Wing Valve
WVS World Vector Shoreline (standard US Defense Mapping Agency (DMA) product) www.webpage
WWF World Wide Fund for Nature www.website
WYSIWYG  What You See Is What You Get