Engineering, preparation & single-lift removal of the 14,000-tonne Heather Alpha production and drilling topsides from the UK North Sea.

Company: EnQuest

Location: UK North Sea

Water depth: 143 metres

Engineering, preparation, removal and disposal of 14,000-tonne topsides

 

Scope of work

  • Engineering, preparation & removal of the ~14,000-tonne Heather Alpha topsides
  • Pre-lift preparation work (incl. underdeck removal of structures)
  • Design, fabrication & installation of under deck lift points
  • Cutting of platform legs
  • Design & fabrication of support stool interfaces & grillage
  • Topsides lift by Pioneering Spirit and transport to dismantling yard
  • Transfer of topsides from Pioneering Spirit to Iron Lady
  • Load-in topsides from Iron Lady to dismantling yard (M.A.R.S, Denmark)
  • Dismantling and disposal of topsides
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Final phase of platform preparations for single-lift removal
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