Statoil has reported that an engine room aboard Scarabeo 5 semisubmersible drilling rig has witnessed occurrence of a fire.

The incident took place on 22 November on the drilling rig, which is located at the Njord field in the Norwegian Sea.

The rig is equipped with two engine rooms and a total of eight engines.

Statoil said that there were 106 persons on board when the incident occurred and none of them were missing.

The company has notified the public rescue services and the authorities about the situation.

The energy firm said: “Statoil’s emergency preparedness organisation has been mobilised and resources are being assembled to handle the incident. Personnel without emergency duties have been mustered to the lifeboat stations and preparations are being made to evacuate them by helicopter.”

Statoil will send one of the persons to shore from the rig for a medical check.

It has transported 33 persons from the rig by helicopter, with 14 of them being placed at a nearby installation and 19 sent to shore in Kristiansund.

While 73 persons remained on board, the company said that it has no plans to move more staff from the rig.

Statoil said: “Work is under way to achieve normalization.”

At the time of the incident, no drilling operations were being carried out on the rig.

Statoil said that there are no other installations on the Njord field currently, while a supply vessel is at the field and several more are underway.

Scarabeo 5 is a drilling rig operated by Saipem Norwegian Branch.