Volume 35 Issue 6
Dec.  2007
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YANG De-yi, PENG Su-ping, WANG Yun, ZHANG Mei-gen. Seismic record simulation for coal-seam containing fractures[J]. COAL GEOLOGY & EXPLORATION, 2007, 35(6): 61-66.
Citation: YANG De-yi, PENG Su-ping, WANG Yun, ZHANG Mei-gen. Seismic record simulation for coal-seam containing fractures[J]. COAL GEOLOGY & EXPLORATION, 2007, 35(6): 61-66.
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Seismic record simulation for coal-seam containing fractures

  • 1. The Institute of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China;

  • 2. China University of Mining and Technology, Beijing 100083, China;

  • 3. The Institute of Geology and Geophysics, CAS, Beijing 100101, China

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  • Received Date: June 07, 2007
  • Available Online: March 13, 2023
    Graphical Abstract
    • Abstract
  • Through using Schoenberg linear slip deformation model in fracture media,and adopting the simulation method of anisotropy elastic wave,2D2C seismic record was simulated to the coal-seam in fracture media.And the simulation result was discussed.In result,the coal-seam containing fractures was compare with the one not containing fractures,the surge impedance of boundary plane in coalseam top and bottom is made changes by reason of the changes of wave velocity,whereby the changes of dynamics distinction to the wave.The AVO phenomenon is obvious.The energy and amplitude of reflected wave in the shot point bilateral appears dissymmetry.The characteristics of x component and z component is different visibly.The shear wave in x component has in-inobservant energy.Wherefore it is possible that coal-seam fracture is detected using anisotropy theory and muti-component converted wave.
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