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Saturday 01 August 2020
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Gas and condensate discovery by Kvitebjørn field in the North Sea

Gas and condensate discovery by Kvitebjørn field in the North Sea

Equinor and its licence partners Source Energy AS and Wellesley Petroleum AS have discovered gas and condensate in exploration well 30/2-5 S Atlantis. Based on preliminary estimates the proven reserves are between 3 and 10 million standard cubic metres of recoverable oil equivalent, corresponding to 19-63 million barrels of oil equivalent.

The Kvitebjørn platform in the North Sea. (Photo: Harald Pettersen / Equinor ASA)

“It is encouraging to see that we are able to keep proving more resources in one of the most mature areas on the Norwegian continental shelf. Now we will work on evaluating the potential for profitable and CO2 efficient recovery,” says Nick Ashton, Equinor’s senior vice president for exploration in Norway and the UK.

The well was drilled approximately 17 kilometres south of the Kvitebjørn field and 10 kilometres north of Huldra.

Nick Ashton, Equinor’s senior vice president for exploration in Norway and the UK. (Photo: Ole Jørgen Bratland / Equinor ASA)

Nick Ashton, Equinor’s senior vice president for exploration in Norway and the UK. (Photo: Ole Jørgen Bratland / Equinor ASA)

 

The primary exploration target of exploration well 30/2-5 S was to prove hydrocarbons in the Middle Jurassic reservoir of the Brent Group. The well encountered about a 160-metre high gas column, of which 60 metres represent an effective Middle Jurassic reservoir rock. Poor to satisfactory reservoir quality was encountered in the Ness, Etive and Tarbert formation, while the Rannoch formation had poor reservoir quality.

The well was not formation tested however extensive amounts of data have been acquired and samples have been taken. The well was drilled to a vertical depth of 4359 metres below sea level. Water depth in the area is 142 metres. The well was permanently plugged and abandoned.

This is the first exploration well to be drilled in production licence 878. The licence was awarded in the Awards in Predefined Areas 2016 (APA 2016). The licence owners will consider whether to pursue the discovery in an overall assessment of the area.

The well was drilled by the West Hercules drilling rig, which is moving on to drill exploration well 35/11-24 S, a prospect named Swisher, in production licence 248 C.

The licence owners of production licence 878 are Equinor Energy AS (60%), Source Energy (20%) and Wellesley Petroleum AS (20%).

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  • Gas and condensate discovery by Kvitebjørn field in the North Sea
  • Gas and condensate discovery by Kvitebjørn field in the North Sea
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