Volume 38 Issue 2
Apr.  2010
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ZHONG Zhi, LI Luming, SHI Yunhua, LUO Yi. Multiwave pre-stack AVA parameter inversion in TI media[J]. COAL GEOLOGY & EXPLORATION, 2010, 38(2): 54-58. DOI: 10.3969/j.issn.1001-1986.2010.02.014
Citation: ZHONG Zhi, LI Luming, SHI Yunhua, LUO Yi. Multiwave pre-stack AVA parameter inversion in TI media[J]. COAL GEOLOGY & EXPLORATION, 2010, 38(2): 54-58. DOI: 10.3969/j.issn.1001-1986.2010.02.014
shu

Multiwave pre-stack AVA parameter inversion in TI media

  • 1. Key Lab of the Geodetection and Information Technology of the Mnistry of Education, Chengdu University of Technology, Chengdu 610059, China;

  • 2. Xi'an Branch, China Coal Research Institute, Xi'an 710054, China

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  • Received Date: April 17, 2009
  • Available Online: March 09, 2023
    Graphical Abstract
    • Abstract
  • AVA(Amplitude Versus Angle) plays an important part in the seismic data processing of the multi-wave.Based on the Zoeppritz's equation of the transversely isotropic media,seismic multi-wave AVA inversion of the transversely isotropic media parameter has been discussed in this paper.In the study of the AVA,inversion is the method that by use of the AVA curves measured and multi-wave AVA parameter inversion equation obtained the speed and density value of the underground P and S waves.Based on the establishment of the forward models,generalized linear inversion method is adopted to respectively analyze the two-tier and multi-level theoretical models using the analytical method and perturbation method to get the P-P wave velocity,P-SV wave velocity,stratum density and anisotropy coefficient.Model calculations show that the method is correct.Finally,we com-bined the actual multi-wave data to implement AVA parameters inversion.Therefore,all of the above results have proved the multi-wave AVA stratum parameter inversion discussed in this paper is feasible.It plays an important part in prediction of lithology.
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