Research Article
Identification of Hydraulic Connection Points between Different Confined Aquifers in the Liyazhuang Coal Mine
Table 1
Variation in the water level of Ordovician limestone before water inrush as a function of distance.
| Name | Hole number | Aquifer | Distance from water inrush point (m) | Water level value before water inrush(m) |
| Fengfeng Formation | LK2 | O2f | 3727 | 495.84 | LK4 | O2f | 2921 | 484.89 | LK5 | O2f | 1874 | 492.62 | LK6 | O2f | 3564 | 495.67 | LK7 | O2f | 5090 | 513.75 | LK8 | O2f | 2916 | 484.37 | LK11 | O2f | 2047 | 493.71 | LK12 | O2f | 3281 | 481.93 | Majiagou Formation | LK10 | O2s | 899 | 516.20 | SL-2 | O2s | 6391 | 510.94 | SL-4 | O2s | 6908 | 514.83 |
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