Chevron U.K. Ltd. has boosted its estimate of reserves in Ninian field, the third largest oil reservoir in the U.K. North Sea. The company added 55-155 million bbl to its previous reserves figure of 1.045 billion bbl. The range depends on future operating and economic conditions. Ultimate recovery will now amount to 1.1-1.2 billion bbl, Chevron reckons. The increased estimate results from a geological and engineering study of the field, which disclosed a 9% increase in estimated oil in place

Jan 22nd, 1990
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