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.

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。

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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.

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。

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