Research Article
Characteristics of In Situ Stress and Reservoir Pressure in Deep Coal Seams and Their Influences on Reservoir Depletion: A Field Case Study
Table 2
Hydrostatic column pressure and pressure gradient in the study area.
| | Well number | Target coal seam | Depth (m) | Hydrostatic column pressure (MPa) | Pressure gradient (kPa/m) |
| | M-1 | No. 8 and 9 | 1996.7 | 17.8 | 8.9 | | M-2 | No. 8 and 9 | 1889.6 | 17.7 | 9.4 | | M-3 | No. 3 and 4 | 1698.0 | 16.2 | 9.5 | | M-4 | No. 4 and 5 | 1247.5 | 12.2 | 9.8 | | M-5 | No. 3, 4, and 5 | 1327.1 | 12.8 | 9.6 |
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