Appomattox

General information

Client Shell 
Project Appomattox 
Year 2017/18 
Location Gulf of Mexico (USA), 130 km off Louisiana 
Vessels Solitaire, Audacia 
Max. water depth 2195 m (7400 ft)

Scope of work

  • Installation of ~145 km, 24-inch oil export pipeline and ~88 km, 16-inch gas export pipeline (including one shallow water valve assembly in each line)
  • Installation of 1 x 24-inch and 1 x 16-inch deep-water PLETs

Project specials

  • Installation of a heavy (137 t) 24-inch PLET using 4-wire PLET installation system

Pipe characteristics

145 24 25.4 / 28.6 / 31.0 X65
88 16 19.1 / 22.2 X65