Sealing Behavior and Flow Mechanism of Expandable Material Slurry with High Water Content for Sealing Gas Drainage Boreholes

<div>Microstructure observation of coal masses bound with cement and expandable material with high water content: (a, b) 200x magnification and (c, d) 2000x magnification.</div>

Geofluids

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Figure 10

Figure 10: Sealing Behavior and Flow Mechanism of Expandable Material Slurry with High Water Content for Sealing Gas Drainage Boreholes 