The consent relates to permanent plugback and abandonment (P&A) of wells 31/5-B-5 H and 31/5-B-6 H on the Troll Oseberg Gas Injection (TOGI) subsea facility.
The earliest estimated start-up for the operation is February 2012 and it has an expected duration of approx. 85 days.
Transocean Leader is a semi-submersible mobile drilling facility that is owned and operated by Transocean Offshore North Sea Ltd. It was delivered in 1987 from Hyundai Heavy Industries in Korea.