Total finds hydrocarbons in David

Offshore staff

OSLO -- Total E&P Norge has proven gas-condensate in the David prospect in the Norwegian North Sea, 20 km northeast of the Heimdal field.

Well 25/5-7 was drilled by the semisub Ocean Vanguard in production license 102 C. According to the Norwegian Petroleum Directorate (NPD), the main target was in Mid-Jurassic reservoir rocks (the Brent group), with a secondary target in lower Jurassic reservoir rocks (the Statfjord formation).

A 70-m (229-ft) gas column was encountered in the Brent group with reservoir rocks and reservoir quality above expectations. The Statfjord formation also exhibited good reservoir properties, but with aquifers. 

NPD says preliminary estimates suggests recoverable reserves in the range 2.4-3.2MMcmoe (15-20Mmboe).

The well was not formation tested, but Total did commission data collection and sampling. The discovery could be developed via the Heimdal field infrastructure.
This was the first exploratory well in the license. It was drilled in 119 m (390 ft) of water to a vertical depth of 3,045 m (9,990 ft) below sea level, and was terminated in the Upper Triassic Hegre group.

Ocean Vanguard now heads to PL 303, north of the Sleipner area in the North Sea, to drill delineation well 15/6-11 S for ExxonMobil.


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