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Depth Inversion of Impedance and Poisson's Ratio Using INSIGHT Interactive Modeling System

Vaughn L. Ball

As an exploration method, it is inadequate merely to identify and quantify anomalous amplitude vs. offset (AVO) behavior. AVO behavior is the consequence of a complex of circumstances. It is caused by impedance contrasts, rigidity contrasts, and AVO tuning effects. These effects may combine constructively or destructively, depending on the characteristics of the reflecting package.

INSIGHT (TM) is an interactive analysis tool that analyzes the AVO response and identifies the relative contributions from various sources, whether from impedance contrasts, rigidity contrasts, or AVO tuning effects.

AAPG Search and Discovery Article #91035©1988 AAPG-SEPM-SEG Pacific Sections and SPWLA Annual Convention, Santa Barbara, California, 17-19 April 1988.