Migration and Residual Trapping of Immiscible Fluids during Cyclic Injection: Pore-Scale Observation and Quantitative Analysis
Images for flow channels in a micromodel: (a) overlapped image of flow channels formed over the course of five sets of drainage-imbibition cycles. The difference of the color indicates the number of overlapped flow channels, (b) main flow channels () plotted on binary image of the micromodel.
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