The platform was not in production when the smoke development began.
The smoke development took place in a separator on the processing plant at Snorre B during maintenance work.
There were 121 personnel on board Snorre B when the incident occurred.
Equinor is the operator of the Snorre field, which consists of the Snorre A and Snorre B platforms.
A telephone number has been established for families with personnel on board Snorre B: (+47) 800 500 20.
Media may contact Morten Eek at (+47) 416 89 515.