8/10-5 S and 8/10-5 A

14/05/2014 Centrica Resources Norge AS, operator of production licence 405, is in the process of concluding the drilling of exploration wells 8/10-5 S and 8/10-5 A. The wells are dry.

The wells were drilled approx. 13 kilometres southeast of the Ula field, in the southern sector of the North Sea. 

The purpose of the wells was to prove petroleum in Upper Jurassic reservoir rocks (the Ula formation) in a segment east of the 8/10-4 S oil discovery ("Butch") encountered in the same production licence in 2011. Wells 8/10-5 S and 8/10-5 A encountered 45 metres and 50 metres, respectively, of sandstone in the Ula formation of good reservoir quality.  

Extensive data collection and sampling were carried out, which will be used in the further development of the nearby 8/10-4 S discovery.

These are the fourth and fifth exploration wells drilled in production licence 405. The licence was awarded in APA 2006. Wells 8/10-5 S and 8/10-5 A were drilled to vertical depths of 2750 metres and 2263 metres below the sea surface, respectively, and were completed in the Zechstein group in the Permian age. Water depth is 66 metres. The wells will be plugged and abandoned.

The wells were drilled by the Mærsk Giant drilling facility, which will now drill exploration well 8/10-6 S in a segment south of the 8/10-4 S oil discovery in the same production licence. 


Contact in the Norwegian Petroleum Directorate
Eldbjørg Vaage Melberg, tel. +47 51 87 61 00

 

Map - Download pdf

Updated: 14/05/2014

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