Overview
The Dana-operated Western Isles is producing from two oil fields called Harris and Barra in the Northern North Sea, 160km east of the Shetlands and 12km west of Tern field.
It involves a subsea development of production and water injection wells tied back to a floating production, storage and offloading vessel (FPSO) with oil export using shuttle tankers.
First oil took place in November 2017.
Fast facts
- Investment: $2 billion
- Partners: Dana Petroleum (operator 77%) and Neo Energy (23%)
- Location: 160km east of Shetland and 5km south of the Hudson Field
- Fields: Two discovered oil fields Harris and Barra
- Depth: Fields lie in 165m of water at reservoir depth of 6,000ft
- Reserves: Estimated 45 mmboe economically recoverable
- Production: Peak production rates of c. 40,000 boepd