Table 6 Comparison and analysis of content change after gas injection.
From: Effect of CO2 injection pressure on enhanced coal seam gas extraction
CO2 injection pressure/MPa | Original gas content seam /ml/g | Residual gas content /ml/g | CH4 desorption amount /ml/g | Rate of reduction/% |
|---|---|---|---|---|
0.6 | 7.187 | 1.654 | 5.533 | 76.99 |
0.8 | 7.304 | 1.538 | 5.766 | 78.94 |
1.0 | 7.347 | 1.382 | 5.965 | 81.19 |
