Influencing Factors Analysis of Gas Occurrence in - 汉斯出版社.PDF

Influencing Factors Analysis of Gas Occurrence in - 汉斯出版社.PDF

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Influencing Factors Analysis of Gas Occurrence in - 汉斯出版社

Mine Engineering 矿山工程, 2015, 3, 1-6 Published Online January 2015 in Hans. /journal/me /10.12677/me.2015.31001 Influencing Factors Analysis of Gas Occurrence in Xingshan Coal Mine No. 27 Coal Seam 1 1 2 Yuansheng Wang , Quanyi He , Zhijie Fu 1 School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 2 School of Geomatics Engineering, Henan Polytechnic University, Jiaozuo Email: 7982806762@ th nd th Received: Oct. 14 , 2014; revised: Nov. 22 , 2014; accepted: Dec. 27 , 2014 Copyright © 2015 by authors and Hans Publishers Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). /licenses/by/4.0/ Abstract By using the gas geological theory, control theory constructed progressively in Hegang coalfield, Xingshan mine geological tectonic evolution. Through a comprehensive analysis of the geological structure of Xingshan coal, gas geological parameters and parameters of gas emission, we re- searched the gas-geology regularity and the major influence factors of No. 27 seam in Xingshan coal mine. Comprehensive analysis shows that mine faults, burial depth, and roof and floor lithol- ogy are the main factors affecting the gas occurrence. The relationship of gas content of 27# coal bed and the coal seam buried depth is closer. Overall, along with the increase of depth of coal seam, gas content increases. Gradient change is that when buried depth increases 100 m, gas content in- creases 2.46 m3/t. Keywords Tectonic Evolution, Gas Occurrence, Fault, Depth # 兴山煤矿27 煤层瓦斯赋存影响因素分析

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