英语人>词典>英汉 : enveloping ring的中文,翻译,解释,例句
enveloping ring的中文,翻译,解释,例句

enveloping ring

enveloping ring的基本解释
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包络环

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Especially, it is found that there exists three types of relative permeability of water such as concave, convex to the water saturation ax and the reversed "S" pattern. The super-low permeability reservoir is sensitive to pressure, apparent with millipore undersaturation and water blocks. In this study, a new concept of irriducible undersaturation is brought up. And a new mode to describle the process of imbibition dynamics is used to reveal and confirm the mechanism of pinhole enveloping macropore as following: pendular ring of wetting phase gathers→it fills throat→it truncates nonwejting phase . The expression of pressure distribution and the equation of oil production are deduced under conditions of non-darcy linear seepage and non-linear seepage.

尤其发现水相相对渗透率曲线存在凹向、凸向含水饱和度轴及反S形三种形式;特低渗透储层的压力敏感性强,微孔隙的欠饱和及水锁效应显著,本文研究中提出欠束缚水饱和度的概念,引用一种描述渗吸动态即湿相液环聚集→充填喉道→截断非湿相的演化过程的新方法,更深刻地揭示和证明了&小孔包围大孔&机理;推导出了非达西线性渗流和非线性渗流条件下的压力分布表达式和油井产量方程。

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enveloping ring:包络环

enveloping algebra 包络代数 | enveloping ring 包络环 | enveloping surface 包络面