Study on key technology of combined pressure relief and permeability enhancement in low permeability hard coal seam
Based on the characteristics of high gas content, low permeability, high hardness and composite coal seam in a coal mine in Jiaozuo, and the lack of mining protective layer conditions, in order to improve the punching effect and gas drainage effect; the combined anti-reflection technology of “ loose...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Department of Coal Science and Technology
2025-06-01
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| Series: | Meitan kexue jishu |
| Subjects: | |
| Online Access: | http://www.mtkxjs.com.cn/article/doi/10.12438/cst.2024-0577 |
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