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| Gas-bearing property and control factors of No. 8 coal seam in Gujiao mining area |
| Liu Jun, Niu Yongbin |
| Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo 454000, China |
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Abstract Based on the exploration and development of coal bed methane in Gujiao mining area, the gas-bearing property characteristics and its controlling factors of No. 8 coal seam in Gujiao mining area were analyzed. Results showed that the exhibition of the coal seam in Gujiao mining area had the characteristics of high in the east and low in the west. Through the research of coal quality, thickness, depth, caprock conditions and other gas controlling structure, it was concluded that the gas content in study area were controlled by many factors, which caused the nonuniformity of methane content on the same level.
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