Allseas

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.

Information accurate as of June 2024. 

Articles

Courtesy Allseas
The Pioneering Spirit carries out pipelay activity on the GTA South Line.
Fast-track modification enables vessel to switch from S-lay to J-lay mode.
Aug. 8, 2024
Courtesy Allseas
Brent Charlie has arrived at its final resting place following a transfer and load-in operation at Able UK’s Seaton Port in Hartlepool, northeast England.
Allseas has delivered Shell’s decommissioned Brent Charlie topsides to Able UK’s Seaton Port in Hartlepool, northeast England for dismantling and recycling.
Aug. 2, 2024
Courtesy Allseas
The Lorelay vessel was designed for the execution of small and medium diameter pipeline projects of any length in unlimited water depths, the company said.
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.
June 29, 2024
Courtesy Allseas
Pioneering Spirit has completed her first assignment of the 2024 lift season with the installation of the offshore substation for the Eoliennes en Mer Iles d’Yeu et de Noirmoutier wind farm project offshore France.
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.
June 21, 2024
Courtesy Allseas LinkedIn
Last week the Audacia team completed the 262-km Barossa gas export pipeline in the southern Timor Sea.
Allseas’ Audacia team has completed the 262-km Barossa gas export pipeline for Santos in the southern Timor Sea.
June 11, 2024
Courtesy Allseas
statpipe_landfall_pullin
Allseas’ Pioneering Spirit, supported by the Oceanic vessel, has completed its first offshore pipeline pull-ins.
April 30, 2024
Courtesy Allseas
audacia
Allseas’ pipelay vessel Audacia has installed its largest pipeline end termination in S-mode for Santos’ Barossa gas-condensate development offshore Australia.
April 17, 2024
Courtesy Allseas
A flat-bottom anchor barge, Allseas’ Sandpiper has been newly converted for shallow-water construction activity.
Automated welding, anchor placement support productivity
April 12, 2024
Courtesy Allseas
allseas_pipelay
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.
Feb. 21, 2024
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.
Allseas’ new shallow-water offshore construction barge has undergone an inauguration ceremony in Singapore.
Oct. 30, 2023

Additional 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.
Allseas will lay the subsea pipeline for the Porthos CCS project in the Port of Rotterdam.
Oct. 25, 2023
Courtesy Allseas
Pioneering Spirit And Oceanic
bp has contracted Allseas to complete subsea pipelaying for the Greater Tortue Ahmeyim (GTA) gas development offshore Mauritania and Senegal.
Oct. 13, 2023
Courtesy Allseas
Allseas’ Pioneering Spirit removed the DP3 and DP4 platform installations at the Morecambe Bay development in the East Irish Sea.
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.
Aug. 3, 2023
Courtesy Allseas
Pioneering Spirit
DEME Offshore has booked Allseas’ Pioneering Spirit vessel to install the substation jacket and topside in the first half of 2024.
April 26, 2023
Courtesy Allseas
Allseas Solitaire
Allseas will manage the installation scope for Phase 1 of the Tamar gas field expansion project offshore Israel, operated by Chevron.
Feb. 10, 2023
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.
Allseas’ Lorelay will perform installation and burial of the new pipeline for ONE-Dyas’ N05-A gas field development in the Dutch North Sea.
Jan. 20, 2023
Courtesy Allseas
Allseas Hvdc Farm
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...
Jan. 12, 2023
Courtesy Allseas
Hugn A Tidligere Noa Pd Q I Yggdrasil
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...
Dec. 20, 2022
Courtesy Allseas
Polymetallic nodules produced onboard the Allseas production vessel Hidden Gem.
Hidden Gem vessel gathers metals in waters down to 4 km.
Oct. 24, 2022
Courtesy Allseas
Edward Heerema and son Pieter Heerema attended the Allseas special ceremony in Rotterdam.
Eldest son Pieter will assume the role of president of the Allseas Group.
Sept. 19, 2022
Courtesy Allseas
The Pioneering Spirit removes the Ninian Northern jacket with its new Jacket lift system.
New system removes CNR International’s Ninian Northern jacket.
April 22, 2022