Application of Transient Electromagnetic Method in Detecting Water Richness in Goaf of Overburden Coal Seam at Working Face
The water-rich area in the goaf of overlying coal seam on the working face is identified by means of geological analysis, transient electromagnetic detection and drilling verification. Firstly, through the analysis of the hydrogeology of 9104 working face based on the existing geological data, it i...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2020-04-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/6768 |