原油组分对自吸的影响表现为润湿性改变而产生的毛管力变化。
The effect of oil composition on self adsorption shows the capillary force change with the wettability change.
结果表明：在束缚水饱和度时，毛管力对岩石表面微粒起到稳定作用；
The result of experiments demonstrates capillary pressure may stabilize the particle on the sandstone at the minimum wetting phase saturation.
通过室内岩心流动试验，研究了毛管力、含水饱和度对岩石出砂规律的影响。
The effect of capillary pressure and water saturation on sand production has been researched through the core flow test in this paper.
结论是，毛管力的作用是第一位的，弹性力的作用是第二位的，水湿油层更适合周期注水。
The conclusion is: capillary force is in first, elastic force is in second, water-wet oil reservoir is more suitable to cyclic water injection.
研究表明，在周期注水改善开发效果中，各种力所起的作用大小不同，毛管力的作用是主要的，弹性力的作用是次要的，重力基本不起作用。
This study shows that for improving development effect in the cyclic flooding, order of roles played by various forces are: capillary force, elastic force, while gravity plays no part in it basically.
研究表明，在周期注水改善开发效果中，各种力所起的作用大小不同，毛管力的作用是主要的，弹性力的作用是次要的，重力基本不起作用。
This study shows that for improving development effect in the cyclic flooding, order of roles played by various forces are: capillary force, elastic force, while gravity plays no part in it basically.
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