Shell, Equinor Launch Adura as Biggest Player in U.K. North Sea

December 9, 2025--Written by Martin Lynch for Industrial Info Resources (Galway, Ireland, Texas)--Shell plc (London, England) and Equinor (Stavanger, Norway) are now the largest independent producer in the U.K. North Sea having launched their merged offshore oil and gas assets into a new company, Adura (Aberdeen, U.K.). The 50:50 joint venture will now manage Equinor's equity interests in Mariner, Rosebank and Buzzard, and Shell's equity interests in Shearwater, Penguins, Gannet, Nelson, Pierce,