Allseas is a contractor in the offshore energy market.
More Info on Allseas
Allseas offers expertise in the design and execution of large and complex offshore projects. Designed and optimized in-house, its fleet of vessels operate worldwide. Allseas specializes in four core activities: offshore pipeline installation, heavy lift, deep-ocean polymetallic nodule collection and river waste collection.
Western LNG has selected Allseas to install the offshore section of the Prince Rupert Gas Transmission (PRGT) pipeline, a key component of the planned Ksi Lisims LNG export project...
Allseas will install the Rome oil pipeline in the US Gulf of Mexico, and it will also install risers and flowlines for the deepwater Atapu-2 project offshore Brazil.
The heavy-lift vessel Pioneering Spirit has removed the topside from the TAQA-UK operated Eider Alpha platform in the North Sea, which had been in service for 36 years.
The semisubmersible-hulled Grand Tour, to be built in China, will transport very large offshore structures and will fit inside the bow slot of the Pioneering Spirit installation...
The platform decommissioning and recycling project involved three years of preparation, including structural modifications and offshore work, culminating in a 14-second lift.
Allseas has delivered Shell’s decommissioned Brent Charlie topsides to Able UK’s Seaton Port in Hartlepool, northeast England for dismantling and recycling.
The Pioneering Spirit set down a substation for an offshore France wind project, while the Lorelay pipelay vessel heads to the Caribbean for pipelay work.
Allseas’ pipelay vessel Audacia has installed its largest pipeline end termination in S-mode for Santos’ Barossa gas-condensate development offshore Australia.
Two months after reaching the field, the vessel’s production team welded, scanned and field joint coated the final piece of pipe for the second 16-inch gas export pipeline.
From heavy-lift operations to pipelaying, Allseas' Pioneering Spirit, Lorelay and Solitaire vessels have been busy working on offshore Canada and North Sea projects.
Lankhorst Ropes has provided high-capacity, heavy-lift slings to Allseas’ Pioneering Spirit vessel for the recent transport and lowering of a 7,300-mt jacket for a converter platform...
The Pioneering Spirit vessel completed heavy-lift removals for the Valhall project, and the Solitaire vessel finished pipelaying work for the Yggdrasil development.
Allseas has started a five-year project to design, develop and deploy a small modular reactor that would be tailored for integration into offshore vessels, in addition to onshore...
Allseas' Oceanic vessel kicked off offshore works for the Porthos project, and the Sandpiper vessel has completed Santos' Darwin Pipeline Duplication work scope.
Esso Australia has commissioned Allseas to remove up to 12 decommissioned platforms from the Gippsland Basin in the Bass Strait offshore southeast Australia.
