“Due to overcapacity in the rig portfolio the suspension periods for COSL Pioneer, Scarabeo 5 and Songa Trym have been extended,” it said.

The state-owned oil giant said the suspensions are also a result of the failed attempts to mature alternative tasks for the rigs.

 “When the rig contracts were signed it was challenging to ensure sufficient rig capacity,” said Statoil procurement head Jon Arnt Jacobsen.

“Today