The German operator, owned by Russian billionaire Mikhail Fridman’s LetterOne investment group, has now been given a deadline of 2 August to submit the plan for development and operation (PDO) to the government for the stalled Norwegian Sea field, news site Offshore.no reported.

Dea recently resolved a tariffs row with licence holders in the nearby Statoil-operated Heidrun field that paves the way for a planned subsea tie-back to the platform.

However,