Equinor and its partners Petoro and OMV have discovered gas at the Gullfaks South field, 190 kilometres northwest of Bergen.
The discovery is estimated to contain between 0.5 million and 1.6 million standard cubic metres of recoverable oil equivalents, corresponding to 3.3 million to 10.3 million barrels of oil equivalent.
The exploration well, formally named 34/10-D-4 BH, was drilled by the Askeladden rig as a sidetrack during the drilling of a production well.
Gunnar Egge, Equinor’s vice president for the Gullfaks field, said: “It is very positive that it is possible to make discoveries of this size with such cost-effective exploration wells. These will be profitable barrels that can help maintain activity and production on the Gullfaks field.”
The discovery lies within the Gullfaks production licence and has the same owners as the field: Equinor, Petoro and OMV.
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The main Gullfaks field lies in block 34/10 in the northern North Sea, with three production platforms brought on stream between 1986 and 1989. Gullfaks South began production in October 1998 and is developed through subsea installations connected to the Gullfaks A and C platforms. Gas is transported to Kårstø near Stavanger for processing before export.



