At the same time, a final investment decision on phase two of the North Sea scheme has been postponed until the second half of 2018, a delay of almost a year from the original timetable of end-2017, though full-field start-up remains on track for 2022.

The revised phase-one estimate represents a reduction of Nkr24 billion on the original budget figure of Nkr123 billion since the field development plan was submitted last year and has been achieved through “higher drilling and well efficiency and high quality in project planning and execution”, according to the state-owned operator.

“We