OneSubsea is a SLB company, headquartered in Oslo, Norway and Houston, Texas, United States.[4] The company is a subsea supplier[5] for the subsea oil and gas market.
As of August 2024, the company is the worlds largest in terms of installed subsea christmas trees[6]
History
In November 2012, Cameron International and Schlumberger announced that they were forming a Joint venture called OneSubsea. Cameron would manage OneSubsea with a 60% interest, with Schlumberger retaining 40%.[7][8]
In January 2015, Helix, OneSubsea and Schlumberger formed the Subsea Services Alliance to develop technologies and deliver equipment and services to optimize the value chain of subsea well intervention systems.[9]
In July 2015, Subsea 7 and OneSubsea entered into an agreement to form a non-incorporated alliance. The alliance was formed to focus on subsea production systems (SPS) and subsea processing systems, subsea umbilicals, risers and flowlines systems (SURF), and life-of-field services.[10][11]
In August 2015, OneSubsea was awarded a contract to supply subsea processing systems for Shell's Stones development in the Gulf of Mexico.[12]
Schlumberger announced in August 2015 that it was acquiring Cameron and OneSubsea for $14.8 billion.[13]
Schlumberger announced in August 2022, that OneSubsea was going into a joint venture with AkerSolutions and Subsea7. The ownership of OneSubsea is 70% with Schlumberger, 20% with AkerSolutions and Subsea7 owning the last 10%[14][bettersourceneeded]
In July 2024, it was announced that OneSubsea was awarded the contract to front-end design an all electric subsea tree project from Equinor called Fram-Sør.[15][bettersourceneeded]
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