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Record-breaking single-lift removal of the 24,000-tonne Brent Delta topsides – first of the four iconic Brent field platform removals – and delivery to the UK for recycling.
Company : Shell UK
Location : UK North Sea, 186 km northeast of Lerwick, Shetland
140 m
Water depth
Scope of work
- Engineering, preparation & removal of 24,000-tonne Brent Delta topsides
- Transfer of topsides from Pioneering Spirit to Iron Lady for load-in to Able UK disposal yard, Hartlepool, England
- Pre-lift preparation work (incl. design of underdeck lift points & strengthening of the module support frame)
- Cutting & seafastening of the platform legs
- Design & fabrication of lifting yokes, support stools & grillage
24,000-tonne
Brent Delta topsides
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Specials & challenges
- Heaviest offshore lift in history (as of 2017)
- First commercial offshore lift utilising Pioneering Spirit’s complete Topsides lift system (16 lifting beams)
- Complete cutting & seafastening of the legs prior to lift
- Efficient design, fabrication & installation of lift points, & strengthening while platform still being decommissioned
- Design & fabrication of lift yokes & stabilisation frames
- Design, fabrication & installation of leg support structures
- Design, fabrication & installation of 3x GBS leg covers & navigation aid
- Design of barge grounding bed at disposal yard for topsides transfer to quayside
3x
GBS leg covers & navigation aid
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