Lundin Norway has made a small oil discovery in the North Sea offshore Norway, 285 kilometers west of Stavanger.
The discovery was made at the wildcat well 16/5-8 S, in the production license 815, about 14 kilometers south of the Edvard Grieg field in the central part of the Norwegian sector of the North Sea.
The primary exploration target for well 16/5-8 S was to prove petroleum in fractured and weathered granitic basement rock and to verify pressure communication with the 16/1-12 (Rolvsnes) oil discovery.
According to the Norwegian Petroleum Directorate, the well hit a potential oil column of about 20 meters in fractured, weathered basement rock, with poor reservoir quality.
Preliminary estimates place the size of the discovery between 0.2 and 1.6 million Sm3 recoverable oil. Pressure data shows that the discovery is not in pressure communication with the 16/1-12 (Rolvsnes) oil discovery.
“The licensees’ assessment is that there is an additional upside potential in the license area, and they will consider further delineation of the discovery after implementing the planned long-term test of the 16/1-12 (Rolvsnes) oil discovery. The well was not formation-tested, but extensive volumes of data have been collected and samples have been taken,” NPD said.
Lundin has also issued a statement in which it said: “The preliminary gross resources from this well are estimated to be between 1 and 10 million barrels of oil equivalent (MMboe), however there is clear upside potential in the larger Goddo area and surrounding prospective basement.”
The well was drilled to a respective measured and vertical depth of 2443 meters and 2068 meters below the sea surface, and it was terminated in the granitic basement rock.
This is the first exploration well in production license 815. The license was awarded in APA 2015. Water depth at the site is 104 meters. The well will now be permanently plugged and abandoned.
“The forward appraisal and commercialization strategy for the Utsira High basement play will be based on evaluation of the production performance from the Rolvsnes extended well test where production is set to commence in mid-2021, as well as the information collected at Goddo and surrounding well data. Two horizontal wells in the northern part of the Edvard Grieg field already have production contribution from basement, and the Tellus East discovery announced earlier this year has similar reservoir to Rolvsnes and Goddo and will be produced as part of a future Edvard Grieg infill program,” Lundin said.
Well 16/5-8 S was drilled by the Leiv Eiriksson semi-submersible drilling rig. The rig will now drill wildcat well 25/7-7 in production license 782 S in the central part of the North Sea, where ConocoPhillips Skandinavia AS is the operator.
Offshore Energy Today Staff
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