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Book Chapter

AVO Analysis: Rock-physics Basis

Published:
January 01, 2016

Abstract

Chapter 4, “AVO Analysis: Rock-physics Basis,” is the core of the book. This chapter integrates seismic petrophysics with seismic amplitude analysis — notably, with amplitude variation with offset (AVO) or angle of incidence (AVA). The AVO classification scheme and interpretation methodology offered here differ from the classic scheme of intercept/gradient analysis and invoke acoustic- and shear-impedance templates instead of intercept/gradient crossplots. That allows a user to streamline AVO behavior predictions during seismic petrophysics analysis of the log data early in the workflow. It also provides a robust quality assurance during synthetic forward modeling. In turn, that modeling can be used in seismic processing and gather conditioning for prestack attribute computation and simultaneous impedance inversion of seismic data.

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Contents

Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Petrophysics in Quantitative Interpretation

Society of Exploration Geophysicists
Volume
18
ISBN electronic:
9781560803256
Publication date:
January 01, 2016

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