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Capillary Pressure Correlation for Mixed-Wet Reservoirs

机译:混合湿油藏的毛细管压力相关

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摘要

For water-wet reservoirs, several expressions may be used to cor- relate capillary pressure, or height above the free water level, with the water saturation. These correlations all feature a vertical as- ymptote at the residual water saturation where the capillary pres- sure goes to plus infinity. sure goes to plus infinity. We have developed a general capillary pressure correlation that Covers primary drainage, imbibitions, secondary drainage, and hys- Teresis scanning loops.
机译:对于水湿储层,可以使用几个表达式将毛细管压力或自由水平面以上的高度与水饱和度相关联。这些相关都在残余水饱和度处具有一个垂直渐近线,在该处毛细管压力达到正无穷大。肯定会加上无穷大。我们已经开发了一种通用的毛细血管压力相关性,它涵盖了主要的引流,吸入,次要的引流和Hys- Teresis扫描回路。

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