Contractors Unlimited

Oil and Gas Discovery East of Gudrun

Statoil logo Oil and gas estimated at between three and 19 million barrels of oil equivalent have been found by Statoil roughly three kilometres east of the Gudrun field in the North Sea.

The find was made in the Brynhild prospect where one exploration well was drilled with one technical sidetrack.

"The Brynhild find is a valuable addition to the field development project on the Gudrun field, although it's no secret that the size of the discovery didn't quite meet the expectations we had beforehand," says Tom Dreyer, vice president for infrastructure led exploration in the North Sea.

The well struck oil in an 18-metre column of good reservoir quality in the Draupne formation. In addition, the well encountered a gas and oil column totalling 35 metres of variable reservoir quality in the Hugin formation.

The discovery will be assessed in connection with other oil and gas resources in the vicinity, and a tie-back to Gudrun will be considered.

"We'll now continue the work of proving additional reserves in the area around the Gudrun field, and the Brynhild find is a good indication that it's possible to prove more additional reserves in this area," says Dreyer.

The wells were drilled by the Transocean Leader drill unit which will now drill a shallow well to explore the bedrock conditions of the Gudrun field.

The licensees in PL 187 are: Statoil, the operator (65%), Gdf Suez E&P Norge (25%) and Marathon Petroleum Norge (10%).

Facts about the drilling operation:
  • Exploration well 15/3-9 was drilled to a vertical depth of 4,630 metres.
  • The well was terminated in Middle Jurassic rocks belonging to the Sleipner formation.
  • The water depth at the drilling site is 108 metres.
  • The well has not been formation tested but extensive data collection and coring has been carried out.
  • The well will now be permanently plugged and abandoned.
  • This is the second exploration well in PL 187, which was awarded in the 14th licensing round in 1993.
Statoil (OSE: STL, NYSE: STO) is an international energy company headquartered in Norway. It has more than 35 years of experience from oil and gas production on the Norwegian continental shelf and has currently operations in 40 countries. Statoil is among the world's largest offshore oil and gas operators and is seen as a leader in technology and resource management. Statoil has 29,000 employees worldwide, and is listed on the New York and Oslo stock exchanges with a market capitalisation of approximately USD 70 billion. Equity production in 2009 was 1,962 000 boepd and booked reserves of oil and gas is reported at 5.4 billion barrels.

Published 19/08/2010

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