Norway's Statoil announced Friday that it and its Oseberg Area Unit partners have made a small oil discovery on the PL053 production license in the North Sea.
Statoil said that the Oseberg partners are in the process of concluding drilling operations in the exploration well 30/6-28S.
The well drilled by the rig COSLPioneer (mid-water semisub) proved an oil column of around 40 feet (12 meters) in the Statfjord Formation. The estimated volume of the discovery is in the range of 12-18 million barrels of recoverable oil equivalents.
"The oil discovery is located beneath the Oseberg field and is a good candidate to be connected to the Oseberg production facilities. These could be fast and high-value barrels for the partnership," said Knut Henrik Dalland, Statoil's vice president of operations for Oseberg.
The oil discovery lies in the Crimp prospect, which was the secondary target for the exploration well 30/6-28S. The primary target was the Crux prospect that Statoil earlier defined as a high impact gas opportunity.
With the Crux prospect Statoil tested a hypothesis for the existence of a separate gas-filled structure underlying the Oseberg field. However, the Crux prospect did not contain hydrocarbons.
"The well 30/6-28S had two objectives. First, to test a new play in the area – the Crux prospect, which was a high risk / high reward opportunity. Second, to test an infrastructure-near prospect called Crimp, with relatively modest volumes but attractive economics," said Tore Løseth, Statoil's vice president for exploration licenses in the North Sea.
"Unfortunately, we have not found gas in the Crux prospect, but we are pleased with the oil discovery in Crimp. Even though our high impact opportunity has not materialized, we have delivered some valuable additional resources to the Oseberg Unit."
After completion of the exploration well 30/6-28S, the COSL Pioneer drilling rig will move to the Glitne field.
Exploration well 30/6-28S is situated in the production license PL053 in the Oseberg Area Unit in the North Sea. Statoil is the operator and has a 49.3-percent interest. The partners are Petoro (33.6 percent), Total E&P Norge (10.0 percent), ExxonMobil E&P Norway (4.7 percent) and ConocoPhillips Skandinavia (2.4 percent).
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