Appomattox Deepwater Development

Offshore pipelay
Solitaire
Audacia
2017 Appomattox

Installation of export pipelines transporting oil and gas from the ultra-deepwater Appomattox field development westward to the Proteus pipeline system off the coast of Louisiana, in the Gulf of Mexico. 

Company: Shell Offshore Inc (Shell) 

Location: U.S. Gulf of Mexico, 130 km off the Louisiana coast  

2268 m 

Max. water depth

Scope of work 

  • Installation of 145-km, 24-inch oil export pipeline  (incl. PLET & shallow water valve assembly) 
  • Installation of 88-km, 16-inch gas export pipeline (incl. PLET & shallow water valve assembly) 

24-inch 

oil export pipeline

2017 Appomattox

Specials & challenges 

  • Combination of heavy wall pipe and extreme installation depths (max. 2268 m) 
  • Installation of heavy 24-inch PLET (137 t) using 4-wire PLET installation system 

137 t

4-wire PLET installation system

2017 Appomattox
2017 Appomattox
2017 Appomattox
Display on a map
On