Allseas’ Pioneering Spirit is now in the Port of Rotterdam, undergoing final construction prior to its commissioning this summer offshore Norway.
At 382m long, 124m wide and 403,342gt, the twin-hull Pioneering Spirit (formerly named Pieter Schelte) is the world’s largest ship in terms of gross tonnage. It has a 2,000-ton pipelay tension capacity (double that of the previous world’s largest pipelay vessel, Allseas’ Solitaire) 25,000-ton jacket lift capacity, and a 48,000-ton topside lift capacity.
Pioneering Spirit was built at Daewoo Shipbuilding and Marine Engineering’s yard in Okpo, South Korea, with Kongsberg Maritime installing the vessel’s dynamic positioning. It has been designed and built for heavy single-lift installations, for installing subsea pipelines and for the removal of large platforms. The work to be completed in Rotterdam includes the installation of its eight twin sets of lifting beams.
The vessel will perform test lifts in the southern North Sea on a specially constructed test platform, which is based on the module support platform of the decommissioned North West Hutton rig.
Once these tests are complete Pioneering Spirit will embark to the Norwegian North Sea, where it will work for Talisman, removing the 15,000-ton Yme platform topsides.
After the Yme job, Pioneering Spirit is contracted to start a decommissioning project for Shell, removing decks and jacket structure from the Brent field platforms.
Allseas has already announced the construction of an even larger ship, the Amazing Grace, which should be able to lift 72,000-ton topsides.