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VIDEO: Allseas wraps up 2025 campaign with topsides removal

VIDEO: Allseas wraps up 2025 campaign with topsides removal

by Mariska Buitendijk | Oct 24, 2025 | Heavy lift, News, Offshore

Allseas’ heavy-lift vessel Pioneering Spirit has successfully removed the Eider Alpha topsides from the northern North Sea. The safe, single-lift removal of the 11,640-tonne structure marks the start of a series of major dismantling projects for TAQA UK’s North Sea...
Allseas wins Brae Alpha decommissioning

Allseas wins Brae Alpha decommissioning

by Mariska Buitendijk | Sep 22, 2025 | Heavy lift, News, Offshore

TAQA UK has awarded Allseas the contract for the engineering, preparation, removal and disposal (EPRD) of the Brae Alpha platform in the UK Central North Sea. The decommissioning is to take place between 2028 and 2032. Located 270 kilometres northeast of Aberdeen,...
VIDEO: Pioneering Spirit removes topsides in single lift

VIDEO: Pioneering Spirit removes topsides in single lift

by Mariska Buitendijk | Aug 15, 2025 | Heavy lift, News, Offshore

Allseas’s offshore construction vessel Pioneering Spirit has safely removed the 15,300-tonne Heather Alpha topsides from the UK northern North Sea in a single lift. Located 460 km northeast of Aberdeen, Heather Alpha has been a fixture of the North Sea for...
Pioneering Spirit performs heaviest offshore lift ever

Pioneering Spirit performs heaviest offshore lift ever

by Mariska Buitendijk | Jul 17, 2024 | Heavy lift, News, Offshore

Allseas has removed Shell UK’s 31,000-tonne Brent Charlie platform topsides from the UK sector of the North Sea. Executed on 9 July, the single-lift removal by heavy-lift vessel Pioneering Spirit represents the heaviest offshore lift ever performed, and concludes...
Allseas wins one of the heaviest offshore installation projects to date

Allseas wins one of the heaviest offshore installation projects to date

by Mariska Buitendijk | Dec 21, 2022 | Heavy lift, News, Offshore, Project cargo, Shipping

Allseas will provide offshore transport and installation services for a new processing platform topsides facility with well bay area and living quarters (NOA PdQ). The Pioneering Spirit will place the platform in the NOAKA area development operated by Aker BP in the...
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