Statoil Asgard

General information

Client Statoil Petroleum AS 
Project Statoil Asgard 
Year 2013 
Location Norwegian Sea 
Vessels Lorelay 
Max. water depth 315 m (1034 ft)
Pipe characteristics 3LPP coated pipe and CWC pipe

Scope of work

  • Design and fabrication of 1 start-up head and 11 oversized heads for PLEMs
  • Installation of 6 pipelines: 1 x 12 inch, 3 x 18 inch and 2 x 20 inch
  • Installation of 11 PLEMs; weight from 90 to 120 t
  • Installation of a suction pile and start-up sheave assembly

Project specials

  • Start-up and laydown near live pipelines and close to live structures, including the Åsgard B platform
  • Installation of heavy 120 t PLEMs with Lorelay
  • Design and fabrication of a new PLEM installation frame on Lorelay’s starboard side

Pipe characteristics

1.9/1.3 12 23 SML450DF
1.9/1.3 18 25.2 SAWL415DF
7.8/4.2 18 25.2 SAWL415DF
5.6/3.8 18 25.2 SAWL415DF
7.0/4.6 20 25 SAWL415DF
37.0/22.2 20 25 SAWL415DF