Stampede

General information

Client Enbridge 
Project Stampede 
Location Gulf of Mexico 
Vessels Audacia 
Max. water depth 1350 m (4428 ft)

Scope of work

  • Installation of 2-km, 18-inch steel catenary riser with critical weld acceptance criteria
  • Installation of 22-km, 18-inch pipeline terminated by means of (82 t) PLET close to existing pipeline
  • Mattress installation (18) at three locations
  • In-house developed vortex-induced vibration (VIV) strakes fitted for 65-m free span section

Project specials

  • Installation of a 2 km long, 18-inch SCR
  • Use of Allseas PRISM for SCR linepipe selection and line-up
  • Installation of Allseas VIV strake design on pipeline section

Pipe characteristics

2/1.25 18” 25.4 X65
22/13.6 18” 20.3 X65