Application of seismic multi-attribute fusion method based on D-S evidence theory in prediction of CBM-enriched area*

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Abstract D-S evidence theory provides a good approach to fuse uncertain information. In this article, we introduce seismic multi-attribute fusion based on D-S evidence theory to predict the coalbed methane (CBM) concentrated areas. First, we choose seismic attributes that are most sensitive to CBM content changes with the guidance of CBM content measured at well sites. Then the selected seismic attributes are fused using D-S evidence theory and the fusion results are used to predict CBM-enriched area. The application shows that the predicted CBM content and the measured values are basically consistent. The results indicate that using D-S evidence theory in seismic multi-attribute fusion to predict CBM-enriched areas is feasible.

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	QI Xue-Mei
	ZHANG Shao-Cong

Key words： D-S evidence theory CBM seismic attributes fusion

Received: 2012-01-08;

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*This work is supported by the National Basic Research Program of China (973 Program) (No. 2009CB219603), the Key Special National Project (No. 2008ZX05035), and the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Cite this article:

QI Xue-Mei,ZHANG Shao-Cong. Application of seismic multi-attribute fusion method based on D-S evidence theory in prediction of CBM-enriched area*[J]. APPLIED GEOPHYSICS, 2012, 9(1): 80-86.

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