German operator Wintershall Dea has failed to deliver with its 31/4-A-13 C wildcat drilled from the Brage platform on production licence 055 in the Norwegian North Sea.
The well was drilled about seven kilometres south of the Brage field and 125 kilometres west of Bergen.
The primary exploration target for the well was to prove petroleum in Middle Jurassic reservoir rocks in the Brent group. The secondary exploration target for the well was to prove petroleum in Upper Triassic to Middle Jurassic reservoir rocks in the Statfjord group and the Cook formation.
The well encountered about 100 metres of the Brent Group, of which 11 metres were sandstone rocks with very good reservoir quality in the Ness formation, and 25 metres of sandstone rocks with very good reservoir quality in the upper part of the Oseberg formation.
The well also encountered around 40 metres of the Cook formation, of which three metres were sandstone rocks with poor reservoir quality, and about 40 metres of the Statfjord group, of which 32 metres were sandstone rocks with good to very good reservoir quality.
However, the well was dry without any traces of petroleum, confirmed operator Wintershall Dea.
Data acquisition was performed on the 31/4-A-13 C probe, the 14th exploration well to be drilled on PL 055, which was awarded in 1979 in Norway’s fourth licensing round.
The unsuccessful well was drilled to respective vertical and measured depths of 2661 and 7736 metres below sea level and was terminated in the Statfjord group. The well, which was located in a water depth of 137 metres, will now be permanently plugged and abandoned.
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