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| Fracture prediction of coal seam limestone based on multi-scale boundary detection method |
| You-Yi SHEN1, Zhong-Bin TIAN1,2, Jian-Qing WANG1, Xiao-Dong YANG1 |
1. Shanxi Province Coal Geology Geophysical Prospecting and Surveying and Mapping Institute,Jinzhong 030600,China
2. School of Geosciences and Info-Physics,Central South University(CSU),Changsha 410083,China |
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Abstract Based on the principle of the response characteristics of different filtering seismic wave fields on different scale fractures,the authors detected and characterized the small scale fractures by identifying the boundary of the amplitude of seismic wave caused by geological body in the vertical and horizontal direction,and combined the theory of multi-scale boundary detection with the characteristics of seismic wave field in the fracture zone of coal measure strata.The method can detect the subtle variation information caused by the small scale fracture,and improve the resolution of the seismic prediction.The prediction and study results coincide with the logging detection and the fracture system regularity in Qinshui Basin area.
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Received: 08 May 2017
Published: 03 August 2018
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