Original sentence: It is operated by Shell and licensed to Shell/Esso.It was discovered in September 1972 at a depth of 150 metres.Limited and Esso Exploration and Production (UK) Limited to purchase the equity pertaining to operating licences for six offshore fields and two non-operated subsea tie-backs situated in the Northern North Sea.On 7 July 2008, TAQA signed a Sale and Purchase Agreement with Shell U.The oil reservoir is located at a depth of 2,895 metres.The sale includes all equity, associated infrastructure and production licenses relating to the Vendor’s interests in the Tern, Eider, Cormorant North, South Cormorant Kestrel and Pelican fields and related sub-sea satellite fields
Edited sentence: It was discovered in September 1972 at a depth of.On 7 July 2008, it was purchased by Abu Dhabi National Energy Company.Originally, it was operated by Shell and licensed to Shell/Esso.The oil reservoir is located at a depth of