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23/03/2012 Statoil Petroleum AS, operator of production licence 053, is in the process of completing the drilling of wildcat well 30/6-28 S.
The well was drilled under the Oseberg field, between the Oseberg A and Oseberg C platforms. The primary exploration target for the well was to prove petroleum in Triassic reservoir rocks (the Hegre group). The secondary exploration target was to prove petroleum in Lower Jurassic reservoir rocks (the Statfjord formation).
In the primary exploration target, the Hegre group was water-filled, while a thin oil column was encountered in the secondary exploration target in the Statfjord formation, with reservoir rocks and reservoir quality as expected.
Preliminary estimates place the size of the discovery at between 2 and 3 million Sm3 of recoverable oil. The licensees will evaluate the discovery together with other discoveries in the area with a view to potential development.
The well was not formation-tested, but data acquisition and sampling have been carried out.
This is the 27th exploration well in production licence 053, which was awarded in 1979.
The well was drilled to a vertical depth of 3806 metres below the sea surface, and terminated in the Teist formation in the Lower Triassic. Water depth at the site is 110 metres. The well will now be plugged and abandoned.
Well 30/6-28 S was drilled by the COSL Pioneer drilling facility, which will now drill a production well on the Glitne field, where Statoil Petroleum AS is the operator.
Contact in the NPD
Eldbjørg Vaage Melberg, tel.+ 47 51 87 61 00