Ordovician limestone aquosity prediction using nonlinear seismic attributes: Case from the Xutuan coal mine
Huang Ya-Ping1, Dong Shou-Hua2, and Geng Jian-Hua1
1. School of Ocean and Earth Science, TongJi University, Shanghai 200092, China.
2. School of Resource and Earth Science, China University of Mining and Technology, Xuzhou 221008, China.
Abstract：
Ordovician limestone water is the main source of water inrush in North China coal mines. In this paper, we analyze the characteristic of three kinds of nonlinear seismic attributes, such as the largest lyapunov exponent,fractal dimension and entropy and introduce their calculation methods. Taking the 81st and 82nd coal districts in the Xutuan coal mine as examples, we extract the three seismic attributes based on the 3D prestack migration seismic data of this area, which can display the Ordovician limestone fracture distribution in the mine. We comprehensively analyzed the three nonlinear seismic attributes and compared the results with transient electromagnetic exploration results and determined the possible Ordovician limestone aquosity distribution. This demonstrated that the nonlinear seismic attributes technology is an effective approach to predict the aquosity of Ordovician limestone.
HUANG Ya-Ping,DONG Shou-Hua,GENG Jian-Hua. Ordovician limestone aquosity prediction using nonlinear seismic attributes: Case from the Xutuan coal mine[J]. APPLIED GEOPHYSICS, 2009, 6(4): 385-392.
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2009, Vol. 6 
