Maersk Oil has given away a 20% stake in the Dvalin field on the Norwegian Continental Shelf.
The company will has sold off its share to Petro and Dea, according to reports.
It was previously revealed Maersk wanted to sell its share.
Dea’s stake has now risen to 50% while Petoro has a 30% share and co-owner Edison as a 20% stake.
The move comes after a number of changes at Maersk Oil.
The Danish firm said last week it would be making changes to its staffing levels at its Copenhagen headquarters.
It followed a strategic review earlier this month which saw significant changes to the firm.