GDF Suez completed drilling of wildcat well 7124/4-1 S on the Heilo prospect in the Norwegian sector of the North Sea. The well is dry and will be permanently plugged and abandoned.
The primary exploration target for the well was to prove petroleum in the Jurassic and Triassic reservoir rocks in the Realgrunnen group and Snadd formation. The secondary exploration target was to prove petroleum in the Middle and Lower Triassic, the Kobbe, Klappmyss and Havert formations. The well encountered reservoir rocks with good reservoir quality in the Realgrunnen group; and in the secondary targets, reservoir rocks of satisfactory reservoir quality were encountered.
Drilled by the Transocean Barents semisub, well 7124/4-1 S reached a vertical depth of 8,825 feet (2,690 meters) and terminated 656 feet (200 meters) into the Havert formation in the Lower Triassic. The water depth of the site is 994 feet (303 meters).
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