Research Article
Selection of Compatible Coal Seam for Methane Drainage Operation Based on Uncertain Geological Conditions: A Hybrid Fuzzy Approach
Table 2
Characteristics of the geological criteria used in this study.
| | Seam | Depth (m) | Thickness (m) | Cleats (joint/m) | Uniformity | Gas content (m3/ton) | Roof quality (MPa) | Water condition (m3/min) | Permeability (mDarcy) |
| | D | 313 | 0.3 | 13 | 0.7 | 15.1 | 88.7 | 106 | 38 | | C2 | 348 | 0.6 | 17 | 0.8 | 16.2 | 91.4 | 91 | 40 | | C1 | 364 | 1.9 | 20 | 0.75 | 16.3 | 95.1 | 83 | 45 | | B2 | 387 | 0.9 | 18 | 0.8 | 20.87 | 85.4 | 64 | 30 | | B1 | 399 | 0.75 | 16 | 0.7 | 21.69 | 86.1 | 80 | 41 |
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