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Go-ahead for Sleipner satellite

July 12, 2002, 09:00 CEST

Development of Alpha North, a Statoil-operated satellite close to its Sleipner West field in the North Sea, has been approved by the licensees.

The project will embrace three-four wells and subsea production systems, and is costed at roughly NOK 3 billion.

Plans call for the field to begin producing gas and condensate (light oil) on 1 October 2004.

“It will be tied back to the Sleipner T gas treatment platform on Sleipner East via an 18-kilometre pipeline,” explains project manager Helge Skjold.

“The gas is rich in carbon dioxide, and will accordingly be passed through the T platform’s separation plant to remove this substance.”

Carbon dioxide separated from the wellstream on Sleipner T is pumped into the Utsira aquifer – a process unique to the Sleipner West field world-wide.

Technically recoverable reserves in Alpha North are put at roughly 13 billion cubic metres of gas and about 32 million barrels of condensate.

The development is covered by the plan for development and operation (PDO) of the main Sleipner West field.

Statoil has a 49.5 per cent interest in the satellite. Its partners are ExxonMobil (32.24 per cent), Norsk Hydro (8.85 per cent) and TotalFinaElf (9.41 per cent).