Welded grid, primarily for securing underground cavities, cavity
Welded wire component gabions and method of making the same and
Welding and laying pipelines
Welding chamber
Welhead templates
Well base in ocean floor
Well conductor support structure and method for using
Well drilling cuttings disposal
Well head conductor and/or caisson support system
Well riser lateral restraint and installation system for...
Wellhead and conductor stabilized by a cable and anchor system
Wet powder seal for gas containment
Wharf fender
Wheeled carriage assembly for trench shields
Wicket dam and lifting jack
Wicket dam lifting module
Widened-base structure for supporting an offshore platform
Widening apparatus
Width expandable modular ditch liners
Wier construction