Statoil has made a small oil discovery near the Johan Sverdrup field, according to the Norwegian Petroleum Directorate and Lundin Petroleum.
Wildcat well 16/2-18S was drilled some five miles west of discovery well 16/2-14 in the North Sea, with its primary exploration target being to prove petroleum in reservoir rocks of Jurassic age at basement height. The secondary target was to examine the reservoir properties in weathered/fractured granite at the basement.
The well did not find reservoir rocks in the primary target but is did encountered a 50-foot oil zone in the weathered/fractured granite at the basement. However, no oil-water contact was established and the oil in the basement is not in communication with the Johan Sverdrup discovery.
Extensive data acquisition and sampling have been conducted in the upper part of the basement. Meanwhile, a mini-drill stem test was conducted in the weathered/fractured basement and showed that the reservoir had poor production properties.
The 13th exploration well to be drilled on production license 265, well 16/2-18S was drilled to a vertical depth of 6,390 feet below the sea surface and was completed in the basement rocks. The well has now been permanently plugged and abandoned.
Statoil is the operator on PL265 with a 40-percent interest. Petoro, Det norske oljeselskap and Lundin Norway hold 30 percent, 20 percent and 10 percent of the license respectively.
The Ocean Vanguard (mid-water semisub) rig used to drill well 16/2-18S will now proceed to drill wildcat well 30-9-25 on production license 104.
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