Allseas


COMPANY OVERVIEW

About Allseas

Allseas is a contractor in the offshore energy market.

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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.

Information accurate as of June 2024. 

Articles & News

Courtesy Allseas
The Pioneering Spirit carries out pipelay activity on the GTA South Line.
Aug. 8, 2024
Fast-track modification enables vessel to switch from S-lay to J-lay mode.
Courtesy Allseas
Brent Charlie arrives at decommissioning yard in England
Aug. 2, 2024
Allseas has delivered Shell’s decommissioned Brent Charlie topsides to Able UK’s Seaton Port in Hartlepool, northeast England for dismantling and recycling.
Courtesy Allseas
June 29, 2024
Allseas’ Lorelay will sail to the Caribbean Sea during the fall to install a pipeline off the east coast of Trinidad in 60 m to 70 m water depth.
Courtesy Allseas
June 21, 2024
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.
Courtesy Allseas LinkedIn
June 11, 2024
Allseas’ Audacia team has completed the 262-km Barossa gas export pipeline for Santos in the southern Timor Sea.
Courtesy Allseas
April 30, 2024
Allseas’ Pioneering Spirit, supported by the Oceanic vessel, has completed its first offshore pipeline pull-ins.
Courtesy Allseas
April 17, 2024
Allseas’ pipelay vessel Audacia has installed its largest pipeline end termination in S-mode for Santos’ Barossa gas-condensate development offshore Australia.
Courtesy Allseas
April 12, 2024
Automated welding, anchor placement support productivity
Courtesy Allseas
Feb. 21, 2024
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.
Courtesy Allseas
Sandpiper is a flat-bottom, anchored barge for shallow-water offshore construction activities, purchased by Allseas in 2022 and upgraded for pipelaying in 2022/23.
Oct. 30, 2023
Allseas’ new shallow-water offshore construction barge has undergone an inauguration ceremony in Singapore.

All content from Allseas

Courtesy Allseas
Allseas says Lorelay is a versatile vessel optimized for the execution of small and medium diameter pipeline projects of any length in unlimited water depths, and for associated work such as the installation of risers and subsea protection frames.
Oct. 25, 2023
Allseas will lay the subsea pipeline for the Porthos CCS project in the Port of Rotterdam.
Courtesy Allseas
Pioneering Spirit And Oceanic
Oct. 13, 2023
bp has contracted Allseas to complete subsea pipelaying for the Greater Tortue Ahmeyim (GTA) gas development offshore Mauritania and Senegal.
Courtesy Allseas
Allseas’ Pioneering Spirit removed the DP3 and DP4 platform installations at the Morecambe Bay development in the East Irish Sea.
Aug. 3, 2023
Spirit Energy is experiencing its busiest year to date in decommissioning with offshore campaigns across the Central North Sea, South North Sea and East Irish Sea.
Courtesy Allseas
Pioneering Spirit
April 26, 2023
DEME Offshore has booked Allseas’ Pioneering Spirit vessel to install the substation jacket and topside in the first half of 2024.
Courtesy Allseas
Allseas Solitaire
Feb. 10, 2023
Allseas will manage the installation scope for Phase 1 of the Tamar gas field expansion project offshore Israel, operated by Chevron.
Courtesy Allseas
Allseas' first vessel, Lorelay, will execute the pipeline installation and burial scope for the N05A gas field development, 36 years after Lorelay's North Sea debut.
Jan. 20, 2023
Allseas’ Lorelay will perform installation and burial of the new pipeline for ONE-Dyas’ N05-A gas field development in the Dutch North Sea.
Courtesy Allseas
Allseas Hvdc Farm
Jan. 12, 2023
Allseas has secured additional transport and installation (T&I) work for the offshore wind industry, providing services for Vattenfall’s Norfolk Boreas project off the coast of...
Courtesy Allseas
Hugn A Tidligere Noa Pd Q I Yggdrasil
Dec. 20, 2022
Allseas has been selected to provide offshore transport/installation services for a new processing platform topsides facility with well bay area and living quarters in the NOAKA...
Courtesy Allseas
Polymetallic nodules produced onboard the Allseas production vessel Hidden Gem.
Oct. 24, 2022
Hidden Gem vessel gathers metals in waters down to 4 km.