[an error occurred while processing this directive] ������� 2015, 34(2) 497-504 DOI:     ISSN: 1004-5589 CN: 22-1111/P

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Article by Li, J. L.
Article by Liu, C.
Article by Guo, Z. Q.
Article by Fang, C. H.
Article by Pei, S. J.
Article by Yang, X. T.
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�ؼ����� ҳ�Ҵ���   ��������   ��ʯ����ģ��   ���� AVO  
��ock physics model and simulation of seismic AVO responses for a shale reservoir
LI Ji-Long, LIU Cai, GUO Zhi-Qi, FANG Chun-Hui, PEI Si-Jia, YANG Xue-Ting
College of Geo- exploration Science and Technology��Jilin University��Changchun 130026��China
Abstract:

The influence of kerogen content to the elastic anisotropy of shale rocks has been studied through the simulation and analysis of physical model of anisotropic shale rocks�� The results offer the reference for quantita- tive interpretation of shale reservoir thickness and kerogen content by using AVO method�� The rock physics model predicts the change law of shale velocity and anisotropic parameters with kerogen content�� Then�� using the propaga- tion matrix method to calculate the AVO response of thin shale rocks��the authors get the reflection coefficient that is a function of the shale layer thickness��the frequency of incident wave��the kerogen content and the incident an- gle�� Numerical simulation results show that the reflection coefficient in the kerogen content remains constant and in the same incident angle is periodic changes in the frequency domain��and the period is inversely proportional to the thin bed thickness�� For the same frequency and the same incident wave angle of incidence�� the reflection coefficient amplitude increased with the kerogen content increased��

Keywords: shale reservoir   anisotropy   rock physics model   seismic AVO  
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2�����Ȫ�����������޽�÷��������������.����qp ����qs ��˥��ϵ������ѷ�ķ���[J]. �������, 2011,30(2): 282-288
3�� ��ȫ��, ������, ����.�������� ��adon �任����ˮ�����β�ѹ���е�Ӧ��[J]. �������, 2014,33(2): 484-487

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