The Gas Migration During the Drainage Process of Ultra-Long Directional Boreholes in Coal Seams
The use of ultra-long directional drilling holes for large-scale pre-drainage of gas in coal seams offers advantages such as extensive coverage and high efficiency, but its effectiveness in deep coal seams remains unclear. Focusing on the seepage characteristics of the No. 8 coal seam in the Baode M...
Wedi'i Gadw mewn:
| Prif Awduron: | , , |
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| Fformat: | Artigo |
| Iaith: | Inglês |
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MDPI AG
2025-09-01
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| Cyfres: | Applied Sciences |
| Pynciau: | |
| Mynediad Ar-lein: | https://www.mdpi.com/2076-3417/15/19/10420 |
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