Very good results in the Kvitsøy Basin

1/3/2013 2:32 AM EST

The Kvitsøy Basin appraisal well 16/2-15 in PL 265 on the Johan Sverdrup
discovery is in the process of being completed. Det norske oljeselskap
ASA is of the opinion that the well results are very good.
The result confirms good reservoir properties in the southern part of
the Johan Sverdrup discovery in PL PL 265.

Det norske holds a 20 percent ownership interest in PL 265. Operator
Statoil holds 40 percent, while Petoro holds 30 percent and Lundin
Petroleum 10 percent.

The oil discovery 16/2-6 Johan Sverdup was made in the autumn 2010, in
Upper Jurassic reservoir sandstones.

Appraisal well 16/2-15 was drilled in a segment to the southwest, named
Kvitsøy Basin, about five kilometers southwest of the 16/2-6 discovery
well and 2.3 kilometers south of appraisal well 16/2-11.

The purpose with well 16/2-15 was to explore the reservoir
characteristics in the Upper and Middle Jurassic reservoir sandstones,
as well as the oil column in this part of the discovery. The well proved
a 30 meter gross oil column in Upper and Middle Jurassic sandstones, of
which 20 meters, as expected, held very good reservoir properties. The
oil water contact was found at the same level as in the neighbouring
wells.

This is the tenth exploration well in PL 265. Appraisal well 16/2-15 was
drilled to a vertical depth of 1 984 meters below sea level. The well
was concluded in rocks from the Triassic period. The well will now be
permanently plugged and abandoned. The water depth in the area is 111
meters.

Contact:

Knut Evensen, VP Investor Relations, tel.: +47 950 77 622
About Det norske:
Det norske oljeselskap ASA (DETNOR) specialize in extracting petroleum
resources on the Norwegian Continental Shelf (NCS). We are an ambitious
company with significant exploration activity. Recently we have taken
part in some major discoveries, Johan Sverdrup being the single most
important. We now face several development projects, among them Jette as
operator, and Ivar Aasen.

Det norske has its headquarter located in Trondheim, and offices in Oslo
and Harstad. As of today we are more than 200 employees. Det norske is
listed on the Oslo Stock Exchange with the ticker "DETNOR".
More about Det norske at www.detnor.no