Well 30/9-23 is part of Production License 104 and is located about six kilometres east of Oseberg A (map).
The well has the following geographical coordinates:
N 60° 27' 32.76", E 2° 59' 07.64". Water depth at the site is 114 metres.
According to the application for consent, start-up of drilling is planned for the beginning of May 2009. Drilling operations have an estimated duration of 45 days.
Transocean Winner is a semi-submersible drilling facility operated by Transocean Offshore. The facility was built in 1983 at Gøtaverken Arendal in Sweden.