Identification and Forecasting of Different Structural Coals by Pwave and Swave from Welllogging
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Abstract:
Based on the method of geophysical exploration for the coal bed methane (CBM), the relationship between CBM enrichment area and well logging characteristic of different structural coals were studied for the Seam 131, Huainan coalfield. The basic technology of multiwave and multicomponent seismic exploration applied in CBM exploration were discussed, meanwhile logging parameters threshold and technical index of multiwave as well as multicomponent seismic exploration for forecasting CBM enrichment area were proposed. It indicates that between CBM enrichment area and gas outburst area presents an essential difference,which shows significant discrimination characteristics on geophysics.
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PENG Suping, DU Wenfeng, YUAN Chunfang, GOU Jingwei, HE Bingshou.2008. Identification and Forecasting of Different Structural Coals by Pwave and Swave from Welllogging[J]. Acta Geologica Sinica,82(10):1311-1322