SLB announced the award of a sizeable integrated engineering, procurement, construction, and installation (EPCI) contract by OKEA to its OneSubsea™ joint venture and Subsea7. The contract will see the partnership develop the Bestla (formerly known as Brasse) project in the North Sea, offshore Norway, specifically to accelerate subsea tieback delivery to aging platforms for marginal field development.
The two-well project, with a 13-kilometer tieback to the Brage Platform, is the latest to be signed under the frame agreement signed with OKEA in 2017.
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SLB OneSubsea will deliver the subsea production system which will include two subsea trees, a two-slot template, an umbilical, and a control system. Subsea7 will install the subsea production system and design and install the flowline systems, spools, and protection measures, including rock installation.
Mads Hjelmeland, Chief Executive Officer (CEO) of SLB OneSubsea, said “We enjoy a long, productive relationship with OKEA, building upon the successful execution of the Hasselmus development, the first project under our Alliance frame agreement, which was delivered on time and on budget in October 2023… Reaching this point has been driven by outstanding collaboration across all partners. Our ongoing partnership has enabled us to work together to simplify the field layout and secure long lead items and vessel capacity, which will bring the new wells online quickly and efficiently.”
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Bestla was discovered in 2016. SLB said today’s solution proposed by Subsea Integration Alliance represents the first commercially viable field development plan submitted for the Brasse development. It said the solution is compliant with NCS2017+ for standardized subsea production systems tailored for application in the Norwegian Continental Shelf, and the Alliance expects to support the local economy by commissioning fabrication and manufacturing from partners in Norway.
The field is estimated to contain 24 million barrels of oil equivalent, of which two-thirds is oil and the remaining one-third is gas and natural gas liquids. First oil is targeted for Q4 2026.
