Abstract
In migration velocity analysis (MVA), the residual moveout in the image gather is used to correct the velocity field. In this work we propose a numerical approach to describe the moveout in the image gather considering a dipping reflector. Through some numerical examples, we validate the strategy of fitting the moveout curves numerically. Furthermore, in our proposal many image gathers can be used altogether to obtain the parameters. This strategy provides more reliable values for the velocity correction factor.
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