Selective Hindrance During Oil Flow Through Nanoporous Shale Rocks
Selective hindrance refers to the ability possessed by nanoporous shale rocks to hinder the transport of certain molecules through them while allowing other molecules to pass with fewer restrictions. Selective hindrance in tight rocks has long been hypothesized to exist due to size-exclusion and molecular selectivity of rock surfaces. However, only a few sets of experimental data exist. This study focuses on laboratory measurements of selective hindrance and the influences of gas injections.A specialized core-flow setup was designed and built to accurately and repeatably detect compositional ...
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