Friday, February 09, 2007
West Siberian fattens up reserves book
02-09-2007 - Upstream onLine - Sweden's West Siberian Resources said today its net proven and probable oil reserves as of 1 January 2007 increased by 81% to 306.8 million barrels. The increase in proven and probable reserves represents a replacement ratio of 222%, excluding acquisitions. Proven, probable and possible reserves increased to 445.6 million barrels. West Siberian's oil reserves have been revised following a recent independent reserve appraisal carried out by DeGolyer & MacNaughton, in accordance with reserve definitions consistent with those approved in March 1997 by Society of Petroleum Engineers.
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