Talisman Energy's Snømus exploration well in the Norwegian sector of the North Sea has been classified as dry.
The 15/12-24 S Snømus well - the first exploration well on production license 672 - was drilled in 86m water depth using the Maersk Giant jackup drilling rig about 6km north of Talisman's Varg field, 220km southwest of Stavanger.
The well was seeking to prove petroleum in Upper Jurassic reservoir rocks (the Ula and Sandnes formations) and in Middle Jurassic reservoir rocks (the Hugin and Sleipner formations).
The well encountered about 195m of sandstone mixed with siltstone in the Ula formation, of which 155m are sandstone of good to very good reservoir quality, says the Norwegian Petroleum Directorate (NPD).
The well also encountered 85m of sandstone mixed with siltstone in the Skagerrak formation in Upper Triassic, of which 45m are sandstone of generally poor reservoir quality. The well has weak traces of petroleum in sandstone rocks in both the Ula and Skagerrak formations. The well is classified as dry.
The well was drilled to vertical and measured depths of 3136m and 3141m below sea level, respectively, and terminated in the Skagerrak formation in the Upper Triassic.
The Maersk Giant is now due to start permanent plugging of wells on the Varg field in production license 038 in the Norwegian sector of the North Sea for Talisman.
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