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Wärtsilä 31 engines for Allseas’ heavy transport vessel

Wärtsilä 31 engines for Allseas’ heavy transport vessel

by Mariska Buitendijk | Jan 22, 2026 | Emissions, Energy transition, Marine engines, Marine fuels, News, Project cargo, Ship design, Ship propulsion, Shipbuilding

Wärtsilä will supply the engines for a new purpose-built semi-submersible heavy transport vessel (HTV), which is designed to minimise exhaust emissions and maximise fuel efficiency. The ship, to be named Grand Tour, is being built for Switzerland-based offshore...
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...
Vuyk design for new Allseas heavy transport vessel

Vuyk design for new Allseas heavy transport vessel

by Mariska Buitendijk | Sep 25, 2025 | Heavy lift, News, Offshore, Offshore wind, Project cargo, Ship design, Shipbuilding

Allseas has selected Dutch Vuyk Engineering to design its new semi-submersible heavy transport vessel (HTV) Grand Tour. Purpose-designed to support seamless topsides transfers to Pioneering Spirit, the vessel is a step forward in integrated offshore transport and...
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,...
Vuyk design for new Allseas heavy transport vessel

Allseas orders new heavy transport vessel

by Mariska Buitendijk | Sep 11, 2025 | Emissions, Energy transition, Heavy lift, Marine fuels, News, Offshore, Offshore wind, Ship design, Shipbuilding

Allseas is expanding its fleet with a purpose-built semi-submersible heavy transport vessel (HTV) designed to be compatible with the Pioneering Spirit. The vessel, to be named Grand Tour, was ordered at Guangzhou Shipyard International (GSI) in China, with delivery...
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