Transocean Winner Gears Up to Drill in North Sea for Marathon

Marathon Petroleum Norge AS (Marathon) has received consent to conduct exploration drilling in the northern North Sea using the Transocean Winner semisub.

The consent relates to the drilling of exploration wells 25/4-10 S and 25/4-10 AS, which are part of production license 203 and are situated between the Alvheim and Volund fields.

The wells will be drilled from the following position: N 59° 30' 51.432", E 2° 0' 13.784". The water depth at the site is 123 meters.

Planned start-up of the drilling activity was October 17, 2009. The estimated duration of the activity is approximately 53 days.