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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The oil and gas driller can send seismic waves miles under the sea floor, gather the echoes, and deduce whether petroleum might exist there.

石油和天然气钻孔机可以在海平面以下数里之外传送地震冲击波，收集回声，并对该地区是否存在石油做出推理。

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Australian oil and gas producer Woodside Petroleum Ltd. sank 2.3 percent. China National Offshore oil Corp.

澳大利亚是哟偶和天然气生产商伍德·赛德石油游戏男公司股价下降2.3%。

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Expanded U.S.sanctions would cover petroleum, petroleum by-products, oil or liquefied natural gas, tankers,and products used to construct or maintain pipelines.

VOA: standard.2009.09.25

The bill would allow for the early payment of the winter fuel allowance to people whose homes are not connected to the mains gas grid and whose principal source of fuel is home fuel oil, liquid petroleum gas or propane gas.

BBC: Winter Fuel Allowance Payments Bill

Aberdeen-based oil and gas firm Faroe Petroleum has cut its losses and has increased the amount of oil it expects to produce this year.

BBC: Oil company Faroe Petroleum raises expectations

Ivanhoe Energy, run by former Occidental Petroleum executives, produces oil and gas in places like China and California.

FORBES: Magazine Article