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Fast P-wave AVO in fluid-saturated porous media with aligned fractures
Based on elastic wave equations of fluid-saturated porous anisotropic media and four continuous conditions for interfaces between dissimilar fluid-saturated porous anisotropic media, a set of methods for calculating elastic wave reflection and transmission coefficients is derived. On the basis of method and models, calculated results show that the fast P-wave reflection coefficient in the recorded line parallel to the fractures is larger than that in the recorded line perpendicular to the fractures, and that the energy of the fast P-waves converts in part to slow P-waves. Due to large attenuation and small reflection energy, slow P-waves are difficult to observe in real data. Fluid type will affect fast P-wave reflection coefficients.
Fast P-wave AVO in fluid-saturated porous media with aligned fractures
Based on elastic wave equations of fluid-saturated porous anisotropic media and four continuous conditions for interfaces between dissimilar fluid-saturated porous anisotropic media, a set of methods for calculating elastic wave reflection and transmission coefficients is derived. On the basis of method and models, calculated results show that the fast P-wave reflection coefficient in the recorded line parallel to the fractures is larger than that in the recorded line perpendicular to the fractures, and that the energy of the fast P-waves converts in part to slow P-waves. Due to large attenuation and small reflection energy, slow P-waves are difficult to observe in real data. Fluid type will affect fast P-wave reflection coefficients.
Fast P-wave AVO in fluid-saturated porous media with aligned fractures
Fast P-wave AVO in fluid-saturated porous media with aligned fractures
Yang Liu (author) / Xiucheng Wei (author)
Journal of Geophysics and Engineering ; 1 ; 307-311
2004-12-10
5 pages
Article (Journal)
Electronic Resource
English
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