The Buchan oil field was discovered by well 21/1-1, drilled by Transworld Group and Texaco.
The field was brought into production by BP in 1981 with nine development wells and initial production peaked at 54,537 bopd.
Gas Lift Compression System installed on Buchan Alpha (Kishorn)
Talisman Energy (UK) Limited acquires oil field and facilities from BP and becomes field operator
Buchan Alpha Life Extension Works and Flexible Riser System Installed (Invergordon)
Talisman Energy become operator of the Buchan & Hannay fields
Commencement of Hannay production
Joint venture created between Talisman Energy and Sinopec. Talisman Energy (UK) Limited is renamed Talisman Sinopec Energy UK Limited.
Talisman Energy is acquired by Repsol.
Talisman Sinopec Energy UK Limited is renamed Repsol Sinopec Resources UK Limited.
Suspension of production on Buchan & Hannay wells. Buchan Alpha removed from station and towed to Shetland Islands for recycling
Flexible risers & MWA recovered and transferred onshore for recycling
Decommissioning Programmes approved by the regulator