Petroleum engineers plan and manage the extraction of oil.

石油工程师们规划并管理石油的提炼。

《柯林斯英汉双解大词典》

Just as we began to appreciate petroleum more after the 1970s oil crises, today we must start looking at water from a fresh economic perspective.

正如我们在上世纪70年代的石油危机后开始更加重视石油一样，如今我们必须开始从一个全新的经济视角看待水资源。

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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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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

In February, the heads of China's three state-controlled oil and gas majors -- China National Petroleum Corp (CNPC), Sinopec and China National Offshore Oil Corp (CNOOC) -- met one of Russia's most influential players in the energy sector, Igor Sechin, chief executive of state-owned oil company Rosneft.

CNN: China eyes Arctic options in energy, transport

As part of a three-phase program to increase its strategic petroleum reserves, China is building four emergency oil-storage facilities across western China, in the east and in the south.

FORBES: The Case For Higher Crude Prices

President Bush could help to once and for all pop the oil-price bubble by selling oil from the Strategic Petroleum Reserve on a more regular basis.

FORBES: Let the People Do It