Marathon pitches Boyla plan

Tieback: the Alvheim FPSO

MARATHON PETROLEUM

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Steve Marshall

 04 June 2012 08:16 GMT

US independent Marathon Oil has submitted its plan for development and operation of the Boyla field in the Norwegian North Sea, with targeted investments seen at upwards of Nkr4.9 billion ($800 million) by the operator and its partners.

Marathon intends to develop Boyla as a subsea tie-back to a floating production, storage and offloading vessel at its operated Alvheim field, located about 28 kilometres farther north, with start-up scheduled for the fourth quarter of 2014.

Two production wells and a water injection well will be drilled at Boyla, which holds estimated reserves of 23 million barrels of oil equivalent.

Oil output from the field will be commingled with the Alvheim blend and exported via shuttle tankers. Associated gas will be exported via the Alvheim FPSO to the SAGE pipeline.

Marathon said the Alvheim FPSO “will require minimal modifications to receive and process output…

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