Norne

Norwegian energy firm Statoil is planning to extend the life of the Norne oil and gas field to 2030.

The field, which came on stream in 1997, was due to shut down in 2014, after producing around 700 million barrels of oil equivalent.

Statoil said the current recovery factor for the main Norne field is 56.5%, which is a top worldwide result for production from subsea fields.

Production flows from a full 15 subsea templates and 26 exploration wells, which have been drilled in the Norne licence alone, including five successes: the Norne, Stær, Svale, Dompap and Fossekall fields.

"The remaining resources in the Norne area may total as much as 300 million barrels of oil equivalent, the equivalent of an Aasta Hansteen field."

The Alve field and the Eni-operated Marulk field have been tied in to the Norne floating production, storage and offloading (FPSO) unit.

Norne operations vice-president Kristin Westvik said: "Thanks to systematic maintenance of Norne for 17 years, the vessel is now in a good technical condition. We have also aimed to facilitate improved recovery and phase-in of new discoveries to the Norne vessel.

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"We now aim to increase the recovery factor to 60%. The remaining resources in the Norne area may total as much as 300 million barrels of oil equivalent, the equivalent of an Aasta Hansteen field."

Several tests were carried out in 2014 to identify the technical condition of the hull of the Norne FPSO.

Statoil will establish a project in 2017 with the scope and time of investments.

The company will also apply for an extended technical life for Norne by 2021.


Image: The Norne field was due to shut down in 2014, after producing around 700 million barrels of oil equivalent. Photo: courtesy of Harald Pettersen/Statoil.