AVO response characteristics and its influencing factors in HTI coalbed
According to the displacement theoryauthors derived the exact scattering coefficients of reflected P wavereflected S wavetransverse P wave and transverse S wave when P and S waves travel up and down through the boundary between the two HTI media.This expression can solve the problem
of the inaccurate coefficient caused by the formation with great physical differences and the large offset.Through the derived formuladrew the AVO scattering curves of HTI coalbed.Crack densityaspect aperture and crack filling have effects on AVO response characteristics of HTI coalbed in
addition to the physical parameters of the background medium.When the crack filling is fluidcrack density is the most important factor.
Keywords: AVO; HTI media; coalbed; scattering coefficient
Document Type: Research Article
Publication date: 15 November 2013
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