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Occurrence Features of Coalbed Methane of Binchang Mining Area in Ordos Basin
详细信息   
摘要

///Binchang mining area in Ordos Basin is an important resource base. Using some mine geological data and CBM emission data, through analyzing the occurrence features which are the source of CBM, and the sealing of top-lower rocks, and the effect of geological structure, it was confirmed that the center part and syncline center of Binchang mining area are the favorable zones for coalbed methane occurrence, the CBM occurs mainly in seam No.4 and the surrounding rocks, the zones that are well sealed can have CBM content of 5.71 m3/t. Through analysis of geological exploration data of Jiangjiahe in Binchang mining area the CBM geological reserves and extractable CBM reserves are respectively about 542×108 m3 and 162.6×108 m3, therefore the Binchang mining area has good prospective for CBM exploration and development.

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