Country Norway Offshore/onshore Offshore Discovery 1991 Start of production November 2011 | Block 1/2, 1/3 Region North Sea Operator DONG Energy | |
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Partners Dong Norge AS (40%)
Bayerngas Produksjon Norge (30%)
Wintershall Norge ASA (15%)
Norwegian Energy Company ASA (Noreco) (15%) Estimated oil in place 38 million barrels (~6.5×10^ t) Estimated gas in place 141×10^ cu ft (4.0×10^ m) | ||
Oselvar (Norwegian: Olesvarfeltet) is an offshore oil field located 250 km (160 mi) southwest of Stavanger in the southern Norwegian section of North Sea, close to the British border. Oselvar was discovered in 1991. The field is also at 23 kilometres (14 mi) distance from Ula field to which it is tied up to via subsea pipeline. Estimated reserves at Oselvar stand at 38 million barrels of oil and 4 billion cubic metres (140×109 cu ft) of natural gas. The water depth at location is 72 metres (236 ft).
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Ownership
Dong Energy is the operator of the field with 40% of interest in the project. Production License 274 which covers the area of the field was given to the company in 2002. Other partners are Bayerngas Produksjon Norge (30%), Wintershall Norge ASA (15%), Norwegian Energy Company ASA (Noreco) (15%). The total development cost is NOK 4.7 billion In March 2009, Dong Energy expressed its willingness to buy Wintershall's full share of 15%.
Production
Oselvar has been developed with three production wells. Produced oil and gas is transported to the Ula field platform for processing via the Oselvar module. Once processed, the oil will be pumped via Norpipe system to Teesside, UK. Although production was scheduled to start in November 2011, production started on April 14, 2012.