Statoil discovers oil and gas at Brynhild, may tieback to Gudrun

Source: Statoil

Statoil (NYSE:STO) has discovered oil and natural gas at the Brynhild prospect, where one exploration well and one technical sidetrack have been drilled. 

Oil and gas estimated between 3 and 19 million barrels of oil equivalent have been found by Statoil roughly three kilometers east of the Gudrun field in the North Sea

“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,” said Tom Dreyer, vice president for infrastructure-led exploration in the North Sea. 

In waters measuring 108 meters deep on PL 187, exploration well 15/3-9 was drilled to a vertical depth of 4,630 meters and was terminated in Middle Jurassic rocks belonging to the Sleipner formation. The well has not been formation tested but extensive data collection and coring has been carried out. 

The well struck oil in an 18-meter column of good reservoir quality in the Draupne formation. In addition, the well encountered a gas and oil column totalling 35 meters 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 tieback to Gudrun will be considered. The discovery well will now be permanently plugged and abandoned. 

“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 drilling rig, which will now drill a shallow well to explore the bedrock conditions of the Gudrun field. 

The licensees in PL 187 are Statoil, which serves as the operator with 65%; GDF Suez with 25%; and Marathon with 10%.

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