An investigation is underway by ConocoPhillips after a man fell 2metre on the Ekofisk platform in the Norwegian Sea.
The company said the incident occurred during an inspection and the person was immediately transported to the Stavanger University Hospital.
A spokesman for ConocoPhillips said the Norwegian Petroleum Safety Authority (PSA) was notified following the incident.
The accident occurred on the Ekofisk 2/4M platform.