
Much publicity has accompanied the story of Allseas’ giant decommissioning and pipelaying vessel Pioneering Spirit. After a test heavy lift and first commercial removal of Repsol’s Yme platform in the Norwegian North Sea it has more than passed its first real test with removal of Shell’s 24,200t Brent Delta platform topsides. Now details about its part in the record-breaking lift of this decommissioned oil platform topside have been revealed by Kotug International BV.
Five years of engineering and study work preceded the operation yet it took a mere ten seconds for Pioneering Spirit to heavy lift the topside clear of its jacket. Preparations included strengthening the topside’s under-deck and the cutting of the connection between the two.
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