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Geofluids
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2020
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Article
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Tab 2
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Research Article
Network Design Mode of In-Seam Gas Extraction Parameters Using Mathematical Modelling—Take Tangan Colliery as an Example
Table 2
Division of extraction units and preextracted time in the working face.
Extraction unit
1
2
3
4
5
6
Distance from open-off cut/m
2100~1670
997~696
696~491
491~345
345~242
242~0
Predrained time
350
242
169
119
83
58