Gas find sets Norwegian Sea water depth mark

June 22, 2009
A/S Norske Shell has drilled a potentially large gas discovery in the Norwegian Sea in the deepest water of any find there, said the Norwegian Petroleum Directorate.

By OGJ editors
HOUSTON, June 22
-- A/S Norske Shell has drilled a potentially large gas discovery in the Norwegian Sea in the deepest water of any find there, said the Norwegian Petroleum Directorate.

The 6603/12-1 well on the Gro prospect in 1,376 m of water cut a 16-m gas column in a reservoir of varying quality of Cretaceous age. TD is 3,805 m true vertical depth in Upper Cretaceous, probably the Springar formation.

The discovery could contain 353 bcf to 3.5 tcf of recoverable gas, NPD said. It was not formation tested, but the operator performed extensive sampling and data acquisition.

Gro is 150 km northwest of the 6506/6-1 Victoria discovery well drilled by Mobil Exploration Norway in 2000 and thought to be the largest undeveloped gas discovery on the Norwegian shelf. Bottomhole temperature at Victoria is 200° C., NPD said.

Victoria, a high-pressure, high-temperature Jurassic gas find in 420 m of water 200 km offshore, is now operated by Total with 50% interest. StatoilHydro Petroleum AS has 30%, and Eni Norge has 20%. Victoria is in PL211.

Participants in Gro in PL326 are Norske Shell 50%, StatoilHydro 40%, and GDF Suez E&P Norge AS 10%.