Research on key technology for efficient drilling and completion well of L-shaped horizontal well of surface mining
The L-shaped horizontal shaft of surface mining is an effective technical means to realize the corner gas control in the upper corner of coal mining face. At present, there are problems such as difficulties in well completion and unstable extration effects in the construction process of L-shaped wel...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Safety in Coal Mines
2025-06-01
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| Series: | Meikuang Anquan |
| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20241491 |
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