Allseas’ heavy lift vessel Pioneering Spirit has completed a successful removal campaign covering processing and accommodation topsides and flare jackets at Total E&P Denmark’s Tyra Redevelopment Project.
Over 27,000 tonnes of platform facilities were removed from the Tyra gas field in the North Sea. These were then transported to specialist yards in Denmark and the Netherlands for recycling.
The final two structures, flare jackets, will be transferred from Pioneering Spirit to a cargo barge for load-in to the Sagro yard in Vlissingen, Netherlands. The two processing and accommodation topsides and connected facilities were delivered in two earlier trips to the MARS recycling yard in Frederikshavn, Denmark.
Structures were removed one-by-one in a time-critical sequence of lifts that required Pioneering Spirit to cover hundreds of kilometres between Denmark, the North Sea, and the Netherlands during the two-week execution window.
After transfer of the flare jackets to a cargo barge in Vlissingen, Pioneering Spirit will sail to Kristiansand, Norway, to prepare for removal of the Ninian Northern topsides for Canadian Natural Resources International.
Allseas’ role in the redevelopment project covers engineering, preparation, removal, transportation, load-in to shore, and recycling of the Tyra East Alpha (TEA) and Tyra West Alpha (TWA) topsides and jackets, integrated production facilities (IPF) module, two flare jackets, and monopile.
Pioneering Spirit will return to the Tyra field to remove the TWA jacket in 2021 and the TEA jacket in 2022.
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