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Equinor made oil discovery in Barents Sea

Wednesday, March 18 2026

Fossil Energy – Oil Discovery

Equinor has made an oil discovery in the Polynya Tubåen prospect.

The wildcat well was drilled about 16 kilometres southwest of discovery well 7220/8-1 on the Johan Castberg field and 210 kilometres northwest of Hammerfest. Equinor said the oil discovery will be tied into the Johan Castberg field in the Barents Sea.

Preliminary calculations indicate the size of the discovery is between 2.3 and 3.8 million standard cubic metres (Sm3) of recoverable oil equivalent.

This corresponds to between 14 and 24 million barrels. The licensees are considering whether it will be possible to tie the discovery back to the Johan Castberg field.

This is the 17th exploration well in production licence 532, which was awarded in the 20th licensing round on the Norwegian continental shelf (NCS) in 2009.

The licensees in the production licence are Equinor (operator), Vår Energi and Petoro.

Well 7220/7-5 was drilled by the COSLProspector drilling rig.

The well was drilled to a vertical depth of 1119 metres below sea level, and was terminated in the Fruholmen Formation from the Upper Triassic.

Water depth at the site is 361 metres. The well will now be permanently plugged and abandoned.

Related posts:

  1. Oil discovery in Johan Castberg area Barents Sea
  2. Two rig contracts and collaboration agreement with Transocean
  3. Investing in the next phase at Johan Castberg
  4. Norway clears Equinor for drilling in Barents Sea

Filed Under: Barents Sea, Drilling, drilling rig, Equinor, International News, Johan Castberg, Oil discovery Tagged With: barents sea, drilling, Equinor, Johan Castberg, Oil Discovery, Polynya Tubåen

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