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Johan Castberg is one of the largest oil discoveries in the Barents Sea, with an estimated 450-650 million barrels of oil equivalents. It is located in 405 meter water depth and far from existing infrastructure. First oil is scheduled for 2022.
Aker Solutions will deliver the subsea production system and the topside engineering on the FPSO.
Working closely with our customer, from the early feasibility stage through FEED and tender we were able to reduce the total development costs by 50%. This saw the optimization of the topside, from keel to flare tip. Costs were reduced without compromising safety or quality, with approximately 400 cost-cutting proposals made across the topside facility alone.
The total cost reduction for the topside and subsea was approximately 30%.
Due to our integrated field design approach we were able to optimize subsea solutions to not require rig or advanced vessels for installation. We developed a lightweight vertical subsea tree that could be easily installed from a small vessel, important in the challenging weather conditions of the Barents Sea. This is now the standard tree design across the Norwegian Shelf, commissioned by other operators on multiple developments.
Talk to us. Our subsea experts will get back to you as soon as possible, normally within 24 hours.