Sokkeldirektoratet

Dry well in the North Sea (35/11-28 S)

deepsea-stavanger-odfjell-drilling.jpg

The drilling was completed by the Deepsea Stavanger rig (Photo: Odfjell Drilling)

2/16/2024 Exploration well 35/11-28 S "Harden sør" in the North Sea proved to be dry. Equinor Energy AS is the operator of production licence 248 C.

This is the sixth well to be drilled in 248 C. The drilling was completed by the Deepsea Stavanger rig 130 kilometres northwest of Bergen.


Geological information

Wildcat well 35/11-28 S was drilled 9 kilometres west of the Fram field.
The objective of the well was to prove petroleum in Upper Jurassic reservoir rocks in the Heather Formation.

The well encountered the Heather Formation with a total depth of about 117 metres, 29 metres of which were a sandstone reservoir with moderate to poor reservoir quality and traces of hydrocarbons. The well is classified as dry.

Well 35/11-28 S was drilled to a vertical depth of 3270 metres below sea level and was terminated in the Heather Formation in the Upper Jurassic.

Water depth at the site is 359 metres. The well has been permanently plugged and abandoned.

Map showing the location of well 35/11-28 S.

 

Updated: 6/27/2024

Latest news

Delineation of the “Zagato” oil discovery in the Barents Sea – 7122/8-4 S
11/13/2025 Vår Energi's appraisal well 7122/8-4 S confirms the 7122/8-3 S (“Zagato”) oil discovery, which was proven in February.
New technology is profitable when shutting down wells
11/13/2025 There will be about 2900 wellbores on the Norwegian continental shelf (NCS) in the years to come, but development and implementation of new technology can save the industry and society considerable costs.
Dry well in the North Sea (34/6-9 S)
11/11/2025 Equinor and its partners have drilled a dry well in the Snorre area in the North Sea.
Dry well in the North Sea (30/11-16 S)
11/7/2025 Aker BP and its partners have drilled a dry well in the Yggdrasil area in the North Sea.
Drilling permit for wellbore 7220/7-5
11/7/2025 The Norwegian Offshore Directorate has granted Equinor Energy AS drilling permit for wellbore 7220/7-5 in production licence 532.
New CCS guidelines
11/3/2025 The Norwegian Offshore Directorate has drawn up guidelines explaining how to fulfil the requirements in Section 26 of the Regulations relating to documentation in connection with storage of CO2 on the Norwegian continental shelf.
New report about power from shore
10/29/2025 Power from shore as replacement for gas turbines has been the most important abatement to reduce greenhouse gases emissions offshore.
Drilling permit for wellbore 7018/5-2
10/29/2025 The Norwegian Offshore Directorate has granted Equinor Energy AS drilling permit for wellbore 7018/5-2 in production licence 1236.
Drilling permit for wellbore 25/8-C-23 D
10/24/2025 The Norwegian Offshore Directorate has granted Vår Energi ASA drilling permit for wellbore 25/8-C-23 D in production licence 027.
Production figures September 2025
10/21/2025 Preliminary production figures for September 2025 show an average daily production of 1 991 000 barrels of oil, NGL and condensate.