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24/06/2015 Suncor Energy Norge AS, operator of production licence 571, has completed the drilling of exploration well 25/10-13 S. The well is dry.
The well was drilled in the central part of the North Sea about 5 kilometres west of the Balder field and 200 kilometres northwest of Stavanger.
The primary exploration target for the well was to prove petroleum in reservoir rocks from the Paleocene (Ty formation) and in the Upper Jurassic (intra Draupne sandstone). The secondary exploration target was to prove petroleum in Lower Triassic reservoir rocks (Smith Bank formation).
The well encountered a 35-metre thick layer of sandstone in the Ty formation, and a 44-meter thick layer of Upper Jurassic sandstone, both with good reservoir quality. The well also encountered a 223-metre thick section of the Smith Bank formation, of which about 47 metres is sandstone with moderate to poor reservoir quality. The well is dry. Data acquisition has been carried out.
Well 25/10-13 S was drilled to a measured depth of 2925 metres and a vertical depth of 2715 metres below the sea surface, and was terminated in the Triassic (most likely in the Smith Bank formation).
This is the first exploration well in production licence 571, which was awarded in APA 2010.
Water depth at the site is 119 metres. The well will now be permanently plugged and abandoned.
Well 25/10-13 S was drilled by the Borgland Dolphin drilling facility, which will now drill wildcat well 10/4-1 in production licence 734, where Wintershall Norge AS is the operator.
Bjørn Rasen, tel. +47 51976000