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October 22, 2014

Statoil discovers more oil near Grane field in North Sea

Norwegian energy firm Statoil has discovered between 30 million and 80 million barrels of recoverable oil near its operating Grane field in the North Sea.

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Norwegian energy firm Statoil has discovered between 30 million and 80 million barrels of recoverable oil near its operating Grane field in the North Sea.

The 25/8-18 S well proved a 25m oil column in the D-structure of the Heimdal Formation.

The Transocean Leader rig was used to drill the well, which is located in PL169 in the North Sea.

Statoil vice-president for exploration in the North Sea May-Liss Hauknes said: "We are pleased with having proved new oil resources in the Grane area.

"Near-field exploration is an important part of Statoil’s exploration portfolio on the Norwegian continental shelf.

"It provides high-value barrels that are important for extending the production life of existing installations."

The D-structure is situated on the Utsira High, just 7km north of the Grane field, near the Grane F oil discovery made by Statoil in 2013.

"We are pleased with having proved new oil resources in the Grane area."

Statoil said the D-structure was originally penetrated in 1992 by well 25/8-4, which encountered just one metre of oil corresponding to around six million barrels.

The 25/8-18 S is the fourteenth exploration well drilled in production licence 169. It was drilled to a vertical and measured depth of 1,863m and 1,867m below the sea surface.

The Transocean Leader rig will now undertake permanent plugging of discovery well 25/11-16 (Svalin), also in PL169.

Statoil operates PL169 with a 57% interest. Petoro and ExxonMobil Exploration & Production Norway own 30% and 13% stakes in the licence, respectively.


Image: The Transocean Leader drilling rig. Photo: courtesy of Harald Pettersen.

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