Production began from Equinor’s Trestakk subsea field on Haltenbanken in the Norwegian Sea on 16 July. The field has estimated recoverable oil resources of 76 million bbl. A total of five wells will be drilled: three for production, and two for gas injection. Trestakk is tied back to the Åsgard A floating production vessel. Equinor operates Trestakk with 59.1% interest. ExxonMobil has 33% and Vår Energi, 7.9%.