Abstract

Seismic attributes derived from amplitude variation with offset (AVO) analysis and inversion of prestack seismic data allow discrimination of hydrocarbon-bearing lithofacies. Commonly derived AVO inversion attributes are acoustic impedance (Zp), elastic impedance (EI), shear impedance (Zs) and the ratio of compressional-wave and shear-wave velocity (Vp/Vs).

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