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Reverse Time Migration Velocity Analysis with Plane Waves

Luiz Alberto Santos,André Bulcão, Djalma M. Soares,Bruno Pereira Dias,Felipe Prado Loureiro,Paulo E. M. Cunha,Alan A. V. B. Souza,Fernanda F. Farias,Gustavo Catão Alves

14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 3-6 August 2015（2015）

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Abstract
In this work we present an alternative migration velocity analysis strategy that uses pairs of delayed stacks to estimate velocity field. The method involves the migration of two delayed stacks (p and ‐p slowness), using the reverse time migration as the migration tool, and scan for the velocity function that maximize the correlation between corresponding migrated events. Synthethic examples and preliminary field results has shown the feasibility of the method.
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Key words
time migration velocity analysis,plane waves
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