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30/5-3 A

28/05/2009 Press Release 29/2009: StatoilHydro Petroleum AS, operator of production licence 309, has concluded the drilling of wildcat well 30/5-3 A, which proved small amounts of gas. The well is located 7.5 km north-west of the Oseberg C platform in the North Sea.

The purpose of the well was to prove petroleum in Cretaceous reservoir rocks. The drilling activity showed that no such reservoir rocks were present.

However, small amounts of gas were proven in reservoir rocks in the Draupne Formation from the Late Jurassic. The thickness of the reservoir has not been determined as technical drilling issues prevented deeper drilling. The proven gas-bearing interval is at least 50 metres thick and contains gas-filled sand units separated by shaly intervals. The size of the discovery cannot be evaluated until a potential delineation has been conducted.

The well was not formation-tested, but extensive data collection and sampling have been carried out.

This well was the second exploration well in production licence 309, which was awarded in APA 2003 (Awards in Predefined Areas).

The well was drilled to a vertical depth of 3991 metres below the sea surface, and was concluded in the Draupne Formation in the Upper Jurassic.

The well will be permanently plugged and abandoned.

The well was drilled by the Transocean Winner  drilling facility in 113 metres of water.

The facility will now be moved to production licence 318 to drill appraisal well 35/2-2 on the 35/2-1 discovery in the North Sea, where StatoilHydro Petroleum AS is the operator.


Licensees in production licence 309


Press contact in the NPD
Eldbjørg Vaage Melberg, tel. +47 51 87 61 00

 

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Updated: 04/09/2009