Heat-Fluid-Solid-Coupled Model for Flue Gas Displacement of CH<sub>4</sub> in Coal Seams and Its Applications.

ACS Omega · 2025 · PMC11755161 · PMID 39866620

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a decreasing trendno p-value reported

Figure 8 and Table 3 show that the CH 4 content and CH 4 pressure in the coal seam in the two extraction modes both exhibit a decreasing trend with time, and the decreasing amplitude is more evident in the gas injection extraction mode.

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