1993年，他任命雪弗龙公司开发庞大而极具挑战性的田吉兹油田，引发了开发里海能源的热潮。

In 1993 he granted Chevron rights to the massive but challenging Tengiz oil deposit, touching off a Caspian energy boom.

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壳牌加拿大子公司拥有每天155，000捅产量的百分之六十，马拉松石油和雪弗龙公司分别占有百分之二十。

Shell's Canadian affiliate owns 60 percent of the 155, 000-barrel-a-day operation, and Marathon Oil Corp. and Chevron Corp. each own 20 percent.

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