Serica Energy, the UK-based oil and gas company, has boosted its long-term resource outlook by finalizing the previously disclosed asset acquisition of Netherlands-based exploration and production company ONE-Dyas.

Serica revealed acquisition Of ONE-Dyas’ 10% non-operated working interest in the Harbor Energy project it operates Field catcher and a 5.21% stake in the company CNOOC manages Golden Eagle Area Development (GEAD) Fields in the central North Sea in September 2025. The deal was valued at $6.75 million.
While confirming the completion of this acquisition, the British player emphasizes that the addition will further diversify its production portfolio, with current net production standing at approximately 2,500 barrels of oil equivalent per day (boepd), and adding combined net 2P reserves of 3 million boepd and 2C resources of 0.5 million boepd at 31 December 2025.
The Company settled $6.75 million and received a payment of $13 million, reflecting interim after-tax cash flows between the economic date of January 1, 2024 and the closing date.
Additionally, Serica will receive approximately 85,000 barrels of oil equivalent in connection with the loading center, with associated cash proceeds of approximately $8 million to be received in the third quarter.
This acquisition comes shortly after the UK company Brought into her fold An interest in TotalEnergies’ West Shetland gas fields and assets, expanding its presence on the UK Continental Shelf (UKCS).
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