Effects of flow history on oil entrapment in porous media: An experimental study

作者: Homa Khosravian , Vahid Joekar-Niasar , Nima Shokri

DOI: 10.1002/AIC.14708

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摘要: The effect of flow history on fluid phase entrapment during immiscible two-phase in Hele-Shaw cells packed with spherical and crushed glass beads is investigated. wetting injected into an initially-oil saturated cell at a well-defined capillary number. It observed that the size shape trapped clusters strongly depend flooding such less oil was medium when injecting number gradually increased to final maximum compared case injection started maintained constant In addition, comprehensive series experiments were conducted delineate effects entrapment. Contrary previously published data, our experimental data reveals residual saturation depends non-monotonically. A physically based relationship scale desaturation curve proposed.

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