Brent oilfield

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The Brent oilfield was a petroleum installation located in 140 metres (470 ft) of water, in the East Shetland Basin of the North Sea, 186 kilometres (116 mi) north-east of Lerwick in the Shetland Islands, Scotland. The Brent oilfield was discovered in 1971 with the 211/29-1 exploration well which was drilled by the Shell owned 'Staflo' semi-submersible drilling rig. At the time, this was the world's most northerly well ever drilled. Appraisal of the discovery was not possible until 1972 due to the severe winter weather conditions of the Northern North Sea and the limited capabilities of contemporary drilling rigs. A total of 6 appraisal wells were drilled to allow the full potential of the field to be evaluated. The original oil/condensate-in-place and wet gas-in-place were estimated at 3.8 billion barrels (600 million cubic metres) and 7.5 trillion cubic feet (210 billion cubic metres) respectively. The field was developed with 4 large fixed platforms: Alpha, Bravo, Charlie, Delta, which...

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