Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.

石油由原油和天然气组成，它们似乎来源于海洋沉积物中的有机物质。

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At a refinery, the crude oil from underground is separated into natural gas, gasoline, kerosene, and various oils.

在炼油厂，从地下提取的原油被分离成天然气、汽油、煤油和各种其他类型的油。

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Crude oil and natural gas production account for nearly half of GDP.

原油和天然气的生产占了GDP的近半数。

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Apache Corp. is an independent natural gas, crude oil and natural gas liquids company with assets in North America, Canada, Western Australia, Egypt, Poland and China.

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This is because of a relatively small contribution of natural gas to ConocoPhillips? stock value compared to other petroleum products produced by ConocoPhillips such as crude oil, natural gas liquids, gasoline, distillates, fuel oil, and a variety of others.

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Its abundant natural resources, in the form of crude oil and natural gas, position the country as a key energy supplier to Europe.

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