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Development and prospect of research on coal-seam gas seepage in the geophysical field
地球物理场中煤岩瓦斯渗流研究现状及展望

Keywords: geophysical field,coal-seam gas,seepage flow
地球物理场
,煤层瓦斯,渗流

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Abstract:

Gas seepage in coal-bed is an important aspect of studies on coal and gas outburst. Due to the complex geological environment, inevitably coal seam gas seepage is affected by the geophysical field. Based on the current status of studies on coal seam gas seepage at home and abroad, this paper summarizes the seepage property of coal seam gas affected by the in-situ stress field, geothermal temperature field and geo-electric field as well as coupled flows. Finally it has put forward the further research direction and the development tendency of this field from the view that the experimental study, the theoretical analysis and the project practice proof should be unified.

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