The story of Dana’s new Western Isles FPSO


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 at production and water injection wells tied back to a new build floating production, storage and offloading vessel (FPSO) with oil export using shuttle tankers.

First oil took place in November 2017. Plateau production is expected to be around 44,000 boepd, adding more than 30,000 boepd to Dana’s UK production. The estimated field life is 15 years.

Fast facts

  • Investment: $2 billion
  • Partners: Dana Petroleum (operator with 77%) and Verus Petroleum (23%)
  • Location: 160km east of Shetland and 5km south of the Hudson Field
  • Fields: Development consists of 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 expected to be c. 40,000 boepd
  • Field life: Estimated to be 15 years


 Western Isles Map


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Western Isles FPSO

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Western Isles FPSO

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Press Release Title
Dana Petroleum announces first oil from Western Isles
21 November 2017