Research Article
Experimental Study on the Characteristics of Adsorbed Gas and Gas Production in Shale Formations
Table 1
Basic physical parameters of experimental samples.
| | Core number | Length (cm) | Diameter (cm) | Porosity (%) | Permeability (mD) |
| Shale | 1 | 3.81 | 2.54 | 2.01 | 0.00032 | 2 | 3.73 | 2.54 | 2.3 | 0.0011 | 3-1 | 3.17 | 2.50 | 1.86 | 0.00016 | 3-2 | 4.36 | 2.54 | 2.40 | 0.0002 | 3-3 | 4.12 | 2.53 | 1.77 | 0.00011 | 3-4 | 3.10 | 2.50 | 2.08 | 0.00026 | 3-5 | 4.43 | 2.51 | 1.70 | 0.00056 |
| Coal sample | 4-1 | 6.11 | 3.81 | 6.82 | 0.039 | 4-2 | 6.13 | 3.82 | 7.51 | 0.015 | 4-3 | 6.44 | 3.81 | 6.96 | 0.011 | 4-4 | 4.35 | 3.82 | 9.82 | 0.15 | 4-5 | 4.93 | 3.81 | 9. 01 | 0.19 |
| Tight sandstone | 5-1 | 4.21 | 3.81 | 9.83 | 0.0015 | 5-2 | 4.47 | 3.84 | 11.21 | 0.0048 | 5-3 | 4.27 | 3.84 | 12.88 | 0.0063 | 5-4 | 4.28 | 3.80 | 13.55 | 0.011 | 5-5 | 4.34 | 3.81 | 14.42 | 0.016 |
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