Equinor drills duster in Norwegian Sea

Norwegian oil and gas company Equinor has concluded the drilling of wildcat well 6407/3-2 S, which is located near the Mikkel field in the Norwegian Sea. The well is dry. 

The West Hercules drilling rig in the Barents Sea. (Photo Equinor Ole Jørgen Bratland)

The well 6407/3-2 S is located in production licences 796 and 796 B where Equinor is the operator. It was drilled about 8 kilometers northeast of the Mikkel field in the Norwegian Sea and 183 kilometers north of Kristiansund.

Equinor received consent from the offshore safety body, the Petroleum Safety Authority (PSA), for exploration drilling in the Norwegian Sea using the West Hercules drilling rig back in August 2019.

The Norwegian Petroleum Directorate (NPD) said on Tuesday that the primary exploration target for the well was to prove petroleum in Lower to Middle Jurassic reservoir rocks (the Garn, Ile, Tilje and Åre formations).

The secondary exploration target was to examine reservoir rocks in the Upper Triassic (Grey Beds) if a petroleum discovery was made, or if traces of petroleum were proven in the primary exploration target.

The well 6407/3-2 encountered the Garn, Not, Ile, Tofte, Tilje and Åre formation with a thickness of about 625 meters, of which 300 meters with sandstones mainly of good to excellent reservoir quality.

The well is dry, without traces of petroleum. Therefore, the well was not drilled further into the Upper Triassic. Data was collected in the well.

This is the first exploration well in production licenses 796 and 796 B, which were awarded in APA 2104 and in APA 2018, respectively.

The well was drilled to respective measured and vertical depths of 2597 and 2559 meters below the sea surface, and was terminated in the Åre formation in the Lower Jurassic.

Water depth at the site is 236 meters. The well has now been permanently plugged and abandoned.

The well 6407/3-2 S was drilled by the West Hercules drilling rig, which will now drill wildcat well 32/4-2 in production licence 921 in the North Sea, where Equinor is also the operator.


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