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Stjerne field starts flow offshore Norway

Production has begun from Stjerne oil and gas field, a subsea development tied back to Oseberg South platform 13 km to the northeast in the North Sea offshore Norway (OGJ Online, Sept. 16, 2011).

Statoil, the operator, estimates Stjerne reserves at 49.2 million boe, of which 24.1 million boe is natural gas. Gas from the field will be injected into the Oseberg Omega North reservoir to increase recovery by an estimated 4.4 million boe.

Total production from the development, Statoil says, will be 7,800 boe/d. Water depth in the Oseberg South area is about 100 m.

Stjerne output began from the first of two production wells to be drilled from a four-slot seabed template. Two water-injection wells also are planned.

Statoil holds a 49.3% interest. Other interests are Petoro 33.6%, Total E&P Norge 14.7%, and ConocoPhillips Skandinavia 2.4%.


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