Recuperação de atributos sismicos utilizando a migração para afastamento nulo em verdadeira amplitude

AUTOR(ES)
DATA DE PUBLICAÇÃO

1999

RESUMO

In the present work a method was developed to extract reflections coefficients after applying amplitude zero offset migration (TA MZO) on synthetic seismic data composed of several commom offset sections. Sorting to the commom mid point domain (CMP) provides the conventional amplitude versus offset curve directly. A second MZO application with different weights provides an estimation of incident angles, transforming AVO in AVA. Four models were developed with this objective, which basic difference is the structural complexity. One of these models is based on Brazilian turbidict reservoir of Neo-Albian age and proves the wide applicability of this methodology on reservoir characterizion. Finally, AVA results were compared with the theoretical AVA, quantifying the reiative erros between them

ASSUNTO(S)

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