Statoil has made a third discovery in an exploration and a sidetrack well near Gullfaks South in the Greater Gullfaks area. The wells were intended to determine petroleum in Middle Jurassic reservoir rocks of the Brent group, and if communication exists with the producing structures in Gullfaks South.
Oil-and gas-bearing intervals were observed in the upper part of the Brent group along both well paths, stated Statoil. The wells proved a column of about 394 feet (120 meters) thick with good reservoir quality. Hydrocarbons were not found in the lower Brent group of the well. A formation test was not performed, but data was collected and cores were taken to determine the hydrocarbon system and contacts. The Deepsea Atlantic semisub drilled wells 34/10-52 A and B.
Preliminary calculations indicate that 3 to 9.5 MMbbl of recoverable oil equivalent are present. The operator will now connect the wells to existing infrastructure in the Gullfaks area.
The Gulkfaks area is located in the Norwegian sector of the North Sea and is operated by Statoil.
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