Abstract:The paper first discussed the anisotropic elastic constructive relationship of double-layered EDA fractured medium and deduced the solved formula with equivalent elastic constants and angle dispersion formula in orthogonal EDA medium on the basis of Postma method;then,briefly introduced forward and inversive pseudo-spectrum algorithm;finally,conducted numeric modeling calculation for wave velocity and travel-time by using angle dispersion formula and pseudo-spectrum method separately and gained consistent results,that is,the S-wave splitting phenomenon in orthogonal medium is more obvious than in other medium.
石雅鏐, 宁书年, 肖建华. 正交介质弹性本构关系及角散的研究[J]. 石油地球物理勘探, 2005, 40(1): 48-51.
Shi Ya-liu, Ning Shu-nian, Xiao Jian-hua. Study on elastic constructive relationship and angle dispersion of orthogonal medium. OGP, 2005, 40(1): 48-51.