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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,...
Allseas kicks off offshore works for Porthos

Allseas kicks off offshore works for Porthos

by Mariska Buitendijk | Apr 1, 2025 | Emissions, Energy transition, News, Offshore

Allseas’ offshore construction support vessel Oceanic has kicked off offshore works for the Porthos project (Port of Rotterdam CO2 Transport and Storage). The work consisted of a special unexploded ordnance survey along the 20-kilometre pipeline route. The “bomb...
Pioneering Spirit booked to remove disused gas platforms in the Irish Sea

Pioneering Spirit booked to remove disused gas platforms in the Irish Sea

by Mariska Buitendijk | Jan 7, 2021 | News

Allseas’ Pioneering Spirit, the largest vessel in the world, will travel to the Irish Sea this year to remove two normally unmanned installations in the East Irish Sea. The 11,000-tonne platforms owned by Spirit Energy used to produce gas in Morecambe Bay.  The...

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