West White Rose

Platform transportation and installation
Pioneering Spirit
Artist impression of West White Rose platform

Transport and single-lift installation of 23,000-tonne integrated drilling platform to serve the White Rose field expansion in the Jeanne d’Arc Basin, offshore Newfoundland and Labrador, Canada.

Company: Cenovus Energy (formerly Husky Energy)

Location: Jeanne d’Arc Basin, 350 kilometers east of Newfoundland

Water depth: 120 metres

One of heaviest topsides ever installed offshore Canada

First heavy lift project in North America

First-time in-field topsides installation on CGS

Scope of work

  • Removal of 'Single-lift Platform' (SLP) with ballast equipment from Concrete Gravity Structure (CGS)
  • Backloading of SLP in Newfoundland
  • Transfer White Rose topsides to Pioneering Spirit in Newfoundland for transport to field
  • Single-lift installation of White Rose topsides
23,000 White Rose topsides nearing completion (courtesy Cenovus Energy)

Specials & challenges

  • Vessel hardware and non-hardware compliance (heavily regulated work environment)
  • One of heaviest topsides ever installed offshore Canada
  • Various  years of delay (change of ownership, Covid-19 pandemic, etc.)
  • First-time in-field topsides installation on CGS
  • Allseas' first heavy lift project in North America
Barge fender frame trials
Tow-out CGS from Argentia NFL graving dock to prepare for offshore tow in June
CGS tow-out for final preparations nearshore
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