Spirit Energy has kicked off production from its Oda field in the Norwegian North Sea, delivered five months ahead of schedule.
Norwegian firm DNO has urged its takeover target, Faroe Petroleum, to provide "transparent and timely" operations updates.
North Sea explorer Spirit Energy has been given the green light from regulators to start up its first operated development in Norway.
Norwegian safety body the PSA has granted Aker BP consent to connect the Oda field to the Ula field.
Subsea 7 has won a North Sea deal with Centrica.
Faroe Petroleum has submitted a plan for the development and operation of the Oda licence to the Norwegian Ministry of Petroleum and Energy.