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Equinor starts production at Trestakk

Jul 16, 2019
2 min read
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Norway's Equinor announced that it had started production from the Trestakk subsea field on Haltenbanken in the Norwegian Sea.

Tied back to the Åsgard A floating production vessel, the field has estimated recoverable resources of 76 million barrels of oil.

“Together with our partners ExxonMobil and Vår Energi we spent ample time on maturing Trestakk, and with proper assistance by our main supplier TechnipFMC we arrived at a good and profitable concept with development costs nearly halved before the investment decision was made. This proves that it is important and correct to spend sufficient time in the early phase of a project,” said Anders Opedal, executive vice president for Technology, Projects and Drilling in Equinor.

Trestakk field development covers a subsea template with four well slots and one satellite well. A total of five wells will be drilled: three for production and two for gas injection. Trestakk is tied back to the Åsgard A floating production vessel, which has been modified to receive the production from Trestakk.

The original life time of Åsgard A was until 2019, however, last winter the Petroleum Safety Authority Norway and the Norwegian Petroleum Directorate approved the application for extending the life time of the installation to 2031.

“The Trestakk volumes are important for us to maintain profitable operation of Åsgard A and to recover more of the original Åsgard volumes. Our draft for development of the Norwegian continental shelf points to the need for new reserves, and this is the kind of projects we would like to see many more of in the years to come,” says Arne Sigve Nylund, executive vice president for Development and Production Norway.

When Trestakk comes on stream it will produce around 22,000 barrels of oil per day. Peak production will be around 44,000 barrels of oil per day. Trestakk field production is expected to last for 12 years.

Trestakk licensees: Equinor Energy AS (operator) 59.1 per cent, ExxonMobil Exploration and Production Norway AS 33 per cent, Vår Energi AS 7.9 per cent.

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