Two of the Johan Sverdrup partners have secured slightly larger ownership slices following a formal redetermination process, the companies said on Monday. The review, requested by Aker BP and TotalEnergies in 2025, used updated technical and production information to recalculate each partner's share in the North Sea oilfield.
Under the revised allocations, Aker BP's stake climbs to 31.7163% from its prior 31.5733% figure. TotalEnergies' holding was increased to 8.72% from 8.44%. By contrast, Norway's state-owned Petoro saw its portion reduced to 16.94% from 17.36%, according to statements from the companies involved.
The redetermination recalibrates both future production shares and historic allocations. Aker BP will receive an additional 2.2 million barrels of oil equivalent from Johan Sverdrup over the coming two years as part of a redistribution of past production volumes. To reflect its share of investments made earlier, Aker BP will pay approximately 300 million Norwegian crowns before tax - roughly $31.7 million at the exchange rate disclosed by the company.
TotalEnergies said the outcome of the redetermination will raise its entitlement to future production and related cash flows. The company also noted there is a one-off adjustment to allocations covering the period since Johan Sverdrup began producing in 2019.
Operational control of the field is not affected by the ownership changes. Equinor, which operates Johan Sverdrup and remains majority state-owned, confirmed its stake is unchanged at 42.6267%.
Johan Sverdrup is western Europe's largest oil producer. The partners said the redetermination was carried out to reflect updated technical data and production histories, and the process did not prompt any changes to ongoing field operations.
Clear summary
Aker BP and TotalEnergies increased their ownership in the Johan Sverdrup field after an independent review of stakes, receiving larger shares of past and future production allocations; Petoro's share declined and Equinor's stake is unchanged. Aker BP will obtain 2.2 million boe over two years and will pay about 300 million crowns before tax to account for past investments.
Key points
- Aker BP's stake rose to 31.7163% from 31.5733% and TotalEnergies' to 8.72% from 8.44% - affecting energy-sector revenue allocations.
- Aker BP will receive an additional 2.2 million barrels of oil equivalent over two years and will make a one-time payment near 300 million crowns before tax - relevant to company cash flows and capital accounts.
- Equinor remains operator with an unchanged majority stake of 42.6267%; Petoro's share fell to 16.94% from 17.36% - implications for state-owned revenues.
Risks and uncertainties
- The redetermination relies on updated technical and production data - any future revisions or disputes over data could alter allocations and financial outcomes for partners; this affects the energy and oil production sectors.
- One-off payments and reallocated historic production may influence partner cash flows and balance sheets in the near term; this presents financial and accounting impacts for the involved oil companies.