Anisotropic Inversion for the VTI Media Based on a Three-Term AVO Equation
T. Zhang, F. Zhang and X.Y. Li
Event name: 79th EAGE Conference and Exhibition 2017
Session: AVO - Technologies A
Publication date: 12 June 2017
Info: Extended abstract, PDF ( 1.2Mb )
Price: € 20
In this paper, we present an anisotropic AVO inversion method for the VTI media based on an improved form of Rüger’s equation. The AVO intercept, gradient and anisotropic P-wave velocity are inverted simultaneously. Synthetic data test demonstrates that this method provide accurate result of anisotropic P-wave velocity and more accurate AVO gradient than the isotropic inversion. We apply this method on a real seismic data; the anisotropy parameter ε can be estimated according to the inverted anisotropic P-wave velocity.