NPD authorizes start-up of subsea compression at Gullfaks offshore Norway

Offshore staff

OSLO, Norway - Statoil and its partners have secured the consent of the Norwegian Petroleum Directorate (NPD) to operate a new subsea wet gas compressor and umbilical on the Gullfaks field in the North Sea.

In July, the NPD authorized start-up of subsea compression at Statoil’s Åsgard project in the Norwegian Sea.

Astri Fritsen, principal engineer at NPD, said: "For Gullfaks, this gas compression means extended lifetime and an increase in the gas recovery rate from Gullfaks Sør Brent from 62 to 74%."

The compressor station and the umbilical installed on the seabed on Gullfaks will increase the well stream from templates D, L, M, and N. Production is due to start no later than October.

In addition to accelerating gas production and extending the period when the gas capacity on the Gullfaks C facility is fully employed, the new infrastructure will increase gas and condensate volumes extracted from the reservoirs on Gullfaks Sør Brent and Rimfaks Brent.

According to Fritsen, the technology can be deployed on other new and existing Norwegian fields in the future.

NPD also authorized Statoil’s use of the semisub Songa Trym to drill wildcat well 25/11-28 in central Norwegian North Sea license PL169, comprising parts of blocks 25/8, and 25/11.

The well location is south of the Grane field. This will be the 15th exploration well on the license since it was awarded in March 1991.


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