2002
DOI: 10.1590/s0102-261x2002000100005
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Recuperação de atributos sísmicos utilizando a migração para afastamento nulo

Abstract: A conventional processing, without a reliable adjustment in order to preserve the seismic amplitudes, could damage the mapping of the petrophysical properties, jeopardizing the correlation between the seismic data and the well profile. A manner to estimate correctly the amplitudes and, therefore, the reflection coefficients is to perform a pre-stack migration in true amplitude, where an amplitude distortion caused by the geometrical spreading throughout the ray path is compensated by the migration calculation.… Show more

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