Exploring operations at OneSubsea Horsøy: a day in the field with Bjørg Ragnhild Landsverk

23/05/2024

    My day at OneSubsea's assembly and test site at Horsøy was an eye-opening experience into the intricate operations behind the scenes of subsea hardware assembly and testing. Accompanied by our two dedicated site inspectors, I gained firsthand insight into the pivotal role this site plays in preparing equipment for deployment on the Ormen Lange field.

    Nestled on Horsøy, Norway,  this site serves as the primary hub for assembling and testing subsea hardware, consisting of components sourced from suppliers across Europe. Here, large subsea modules, including compression stations, compressor modules, and flow control modules, take shape before embarking on their journey to the depths of the sea.

    Our two site inspectors, integral members of the Shell project team, work closely with OneSubsea and its suppliers to ensure the seamless execution of project milestones. The goal? To deliver a groundbreaking subsea compression system capable of unlocking an additional 30-50 billion cubic meters of natural gas from the field, boosting the recovery rate from 75% to 85%.

    This ambitious project involves the installation of two compressor stations at a water depth of 900 meters, powered by a pioneering 120 km long umbilical from shore—an industry first that promises to revolutionize gas recovery operations.

    As an employee of Applus+, I take immense pride in our role in supporting A/S Norske Shell by providing inspection and verification services vital to the success of this endeavor. Our commitment to safety and excellence was underscored during the weekly Health, Safety, and Environment (HSE) round on-site, reaffirming our dedication to the well-being of all involved.

    In summary, my day at OneSubsea's Horsøy assembly and test site provided a firsthand glimpse into the meticulous processes driving this transformative project forward. With each piece of equipment assembled and tested, we edge closer to realizing the immense potential of subsea compression technology, not just for this project but for the wider industry as a whole.

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