Migration and Residual Trapping of Immiscible Fluids during Cyclic Injection: Pore-Scale Observation and Quantitative Analysis

<div>Images for flow channels in a micromodel: (a) overlapped image of flow channels formed over the course of five sets of drainage-imbibition cycles. 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Geofluids

fig11

Figure 11

Figure 11: Migration and Residual Trapping of Immiscible Fluids during Cyclic Injection: Pore-Scale Observation and Quantitative Analysis 