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Geological optimization of coalbed methane and shale gas co-exploration and concurrent production in Guizhou Province

Gao Wei;Tian Weijiang;Qin Wen;Kong Weimin;Chen Min;Research Center of Guizhou Coalbed Methane and Shale Gas Engineering and Technology;Monitoring Center of Guizhou Coal Mine Geological Engineering Consultation and Environmental;  
By summarizing the development status and resources distribution of CBM(coalbed methane) and shale gas in Guizhou Province, it is considered that the favorable area optimization of coalbed methane and shale gas co-exploration and concurrent production in Guizhou Province should take Upper Permian Longtan Formation of Liupanshui Coalfield and Zhina Coalfield as the research objects. Based on the accumulation, preservation and development conditions of the CBM and the shale gas in Longtan Formation, it is thought that the favorable exploration area of co-exploration and concurrent production in Guizhou Province are Qinglong syncline in east part of Liupanshui Coalfield and Shabao-Lezhi-Santang syncline groups in north part of Zhina Coalfield, which have superior development conditions of CBM and shale gas and can act as the ideal area of coalbed methane and shale gas co-exploration and concurrent production in Guizhou Province. In the end, this paper discusses the development models and the technical difficulties of co-exploration and concurrent production for CBM and shale gas.
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