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。
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.
原油和天然气的生产占了GDP的近半数。
Crude oil and natural gas production account for nearly half of GDP.
能源市场出售其部分原油和天然气；
The Energy Marketing segment sells its crude oil and natural gas;
存在原油和天然气勘探潜力。
Therefore there is a great potential of exploring crude oil and natural gas.
在过去，原油和天然气之间没有这么大的价格差。
In the past, crude oil and natural gas prices had not gaped so widely.
第四条原油和天然气的矿区使用费，均用实物缴纳。
Article 4. Royalty for both Crude Oil and Natural Gas shall be paid in kind.
美国国内原油和天然气供应增加导致它生产收入下降。
A greater supply of U. S. crude and natural gas drove production revenues down.
这种表面能有效地抵御水、盐雾、碱、原油和天然气的腐蚀反应。
The surface effectively resists corrosive action of water, saltwater spray, alkalies, crude oil, and natural gas.
和原油和天然气一样，大多石油化学产品主要由碳和氢组成，称为烃。
Like crude oil and natural gas, most petrochemicals consist mainly of carbon and hydrogen and are called hydrocarbons.
油价还并未上涨到足以刺激北美地区各大原油和天然气产量增长的地步。
Oil prices have not risen high enough to spur this sort of production growth in any of the other major crude and natural gas liquids producing regions of North America.
与历史标准相比，原油和天然气的价格仍然相对较高，但是自7月以来已经下跌了一半。
Oil and gas are still relatively expensive by historical standards, but the prices have fallen by half since July.
说石油是一个广泛的定义，包括原油和天然气。接着我们看开头结尾和每段。
"Petroleum" is a broad term that includes both crude oil and natural gas.
在原油和天然气生产方面，第二季度前两个月雪佛龙的全球日产量为274万桶，少于第一季度。
On the oil and gas production side, global output of 2.74 million barrels per day (BPD) in the first two months of the quarter was weaker than the first quarter.
正如名字所示，中游的公司处在上游开采原油和天然气的公司和下游分销产品的公司之间。
As the name suggests, midstream companies sit between upstream companies which actually extract the oil or natural gas and downstream companies which distribute the commodity.
首尔——二月，因为出口的增长和国内节日对原油和天然气需求的减少，韩国外贸盈余远远超过预期。
SEOUL—South Korea posted a much larger-than-expected trade surplus in February as ship deliveries boosted exports, while imports fell as holidays reduced crude oil and natural gas demand.
公司的产品范围包括从原油和天然气、化学品、塑料、特性化学品、农用产品到精细化学品。
Company's products range from crude oil and natural gas, chemicals, plastics, chemicals, agricultural products to fine chemicals.
专家认为，可再生能源现在面临的首要问题是信贷紧缩会持续多长时间，原油和天然气价格会跌到什么程度。
The central questions facing renewables now, experts say, are how long credit will be tight and how low oil and natural gas prices will fall.
未来油气价格的上涨可能会将原油和天然气储量的生产寿命延长至超逾有关采矿许可证的现有期限。
Future oil and gas price increases may extend the productive lives of crude oil and natural gas reservoirs beyond the current terms of the relevant production licenses.
管道式一种特殊的运输方式，这种方式用于运输汽油、原油和天然气，即使一些固体可以通过管道。
Pipeline is a special form of transportation. This form is being used for transporting gasoline, crude oil, and natural gas. Even some solids can be moved by pipeline.
因而，在大多数公司，会努力保持油井的生产能力，尽可能长时间地发挥其生产原油和天然气的潜力。
Consequently, in most companies a concerted effort id made to maintain the well on production as long as it has the potential for producing oil or gas.
然而，该国的总原油和天然气产量在过去十年中逐渐降低，主要因为新的生产和基建项目被反复推迟。
However, gross natural gas and crude oil production have gradually declined over the past decade, mainly because new production and infrastructure projects have repeatedly been delayed.
BP公司的马孔多油井近三个月来持续向海水中泄漏原油和天然气，直到七月工程人员加上了控油罩才止住了漏油。
BP's Macondo well spewed oil and natural gas for nearly three months, before crews installed a cap that halted the leak last month.
支持者担心如果原油和天然气价格持续下跌，公用事业和消费者购买昂贵的可再生能源的刺激因素将会收缩。
Advocates are concerned that if the prices for oil and gas keep falling, the incentive for utilities and consumers to buy expensive renewable energy will shrink.
石油公司BP负责人说，静态封杀是一项两期工程的第一步，工程将包括在油井管道中注入水泥，封堵原油和天然气的泄漏。
BP officials say the static kill is the first step in a two-part operation that involves filling the well pipe with cement to block the release of oil and natural gas.
同时，对于带油环凝析气藏，其开采对策的研究同样十分关键，不同开发方案的实施直接影响原油和天然气的最终采收程度。
Meanwhile, it is also crucial to study the development strategies for gas condensate reservoirs with oil-ring, because different development plans will strongly affect final oil and gas recovery.
经济低迷正在抑制市场对石油和天然气的需求，导致基准原油价格跌破每桶50美元。
The economic downturn is drying up demand for oil and natural gas, dropping the benchmark price for a barrel of oil to below $50.
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。
At a refinery, the crude oil from underground is separated into natural gas, gasoline, kerosene, and various oils.
再者，与天然气和原油相比，燃烧煤炭产生CO2的吨均价格低廉些。
Moreover, compared to natural gas and crude oil, coal is much cheaper per ton of CO2 released.
再者，与天然气和原油相比，燃烧煤炭产生CO2的吨均价格低廉些。
Moreover, compared to natural gas and crude oil, coal is much cheaper per ton of CO2 released.
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