The incident at Kvitebjørn took place in connection with crane work on the drilling deck.
The 917 kilogram piece of drillpipe slipped out of the grip clamp and fell down into an area that was not cordoned off.
No persons were close when the accident took place.
The following day, the PSA decided to initiate an investigation of the incident, which we characterise as very serious.
We are simultaneously assisting the police in their investigation of the incident.
The operator, Statoil, is also investigating the incident at Kvitebjørn.
Contact in the PSA:
Inger Anda, press spokeswoman
Tel.: +47 970 54 064