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词汇 Oil trap
分类 英语词汇 英语翻译词典
释义

Oil trap

原声例句
科学60秒 听力 2015年1月合集

And fracking has unleashed a flood of oil formerly trapped in shale rock underneath North Dakota, among other places.

液压破碎法将北达科他州及其他地区页岩下的石油大量开采出来。

经济学人 Business

It was conquered by wildcat frackers, who came up with clever ways of horizontal drilling and releasing oil trapped in the rock formations.

它被野猫压裂者征服了，他们想出了水平钻井和释放岩层中困油的巧妙方法。

英语百科

Petroleum reservoir

（重定向自Oil trap）
Screenshot of a structure map generated by Contour map software for an 8500ft deep gas & oil reservoir in the Erath field, Erath, Louisiana. The left-to-right gap, near the top of the contour map indicates a Fault line. This fault line is between the blue/green contour lines and the purple/red/yellow contour lines. The thin red circular contour line in the middle of the map indicates the top of the oil reservoir. Because gas floats above oil, the thin red contour line marks the gas/oil contact zone.

A petroleum reservoir or oil and gas reservoir is a subsurface pool of hydrocarbons contained in porous or fractured rock formations. Petroleum reservoirs are broadly classified as conventional and unconventional reservoirs. In case of conventional reservoirs, the naturally occurring hydrocarbons, such as crude oil or natural gas, are trapped by overlying rock formations with lower permeability. While in unconventional reservoirs the rocks have high porosity and low permeability which keeps the hydrocarbons trapped in place, therefore no need for any cap rock. Reservoirs are found using hydrocarbon exploration methods.
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