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    • Allseas


    COMPANY OVERVIEW

    About Allseas

    Allseas is a contractor in the offshore energy market.

    Contact

    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.
    Pipelines

    Pioneering Spirit picks up the reins for GTA deepwater pipelay

    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
    Decommissioning

    Allseas removes, transports North Sea Brent Charlie topsides

    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
    Pipelines

    Allseas' Lorelay to install/protect pipeline offshore Trinidad

    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
    Vessels

    Allseas vessel installs offshore wind substation, pipelay projects next

    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
    Pipelines

    Barossa gas pipeline work concludes with PLET installation

    June 11, 2024
    Allseas’ Audacia team has completed the 262-km Barossa gas export pipeline for Santos in the southern Timor Sea.
    Courtesy Allseas
    Pipelines

    Pioneering Spirit completes North Sea Statpipe pull-ins

    April 30, 2024
    Allseas’ Pioneering Spirit, supported by the Oceanic vessel, has completed its first offshore pipeline pull-ins.
    Courtesy Allseas
    Vessels

    Vessel adapted for installation of heavy Barossa pipeline structure

    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
    Pipelines

    Sandpiper addressing pipelay needs of SE Asia’s shallow-water leaders

    April 12, 2024
    Automated welding, anchor placement support productivity
    Courtesy Allseas
    Pipelines

    Allseas vessel lays infield pipes for GTA project offshore West Africa

    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.
    Vessels

    Allseas converts barge for shallow-water pipelay

    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.
    Pipelines

    Allseas vessel to install North Sea Porthos CO2 pipeline

    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
    Pipelines

    Allseas adapts Pioneering Spirit for GTA subsea installations

    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.
    Vessels

    Allseas removes two Morecambe Bay jackets for Spirit Energy

    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 TenneT
    Sleipnir semisubmersible crane vessel
    North Sea & Europe

    Allseas, Heerema to install 14 offshore converter stations for TenneT

    May 17, 2023
    TenneT has awarded transport and installation slots for 2-GW offshore platforms to Allseas and Heerema.
    Courtesy Allseas
    Pioneering Spirit
    Renewable Energy

    Allseas vessel to install Yeu/Noirmoutier wind substation offshore France

    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
    Vessels

    Allseas’ vessels to install Tamar pipelines, umbilicals

    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.
    Pipelines

    Allseas to install North Sea gas pipeline

    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
    Renewable Energy

    Allseas secures more offshore wind T&I work

    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
    Equipment Engineering

    Allseas secures installation contract for Norwegian production facility

    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...