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Type: Artigo de periódico
Title: An AVO indicator based on the impedance concept
Author: Grosfeld, V
Santos, LT
Abstract: During the last two decades, many approximations for the PP reflection coefficient have been proposed in the literature. Basically, all of them are derived from the classical approximation of Aki and Richards, using additional assumptions on the medium parameters, and using some inversion procedure. The aim of constructing such approximations is to establish reliable attributes that can be capable to indicate the presence of oil or gas. In this work we review some well-known approximations and their respective attributes, and introduce a new indicator based on a impedance-type approximation for the reflection coefficient. Such indicator can be computed without any additional inversion scheme. Numerical examples are also provided and illustrates the potential of the new approach.
Subject: seismic attributes
reflection coefficient
Country: França
Editor: Geophysical Press
Rights: fechado
Date Issue: 2007
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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