This paper aims to estimate the effectiveness of the so called Full Waveform Inversion (FWI) as a tool to improve the accuracy of the velocity model employed by the Reverse Time Migration to produce depth images with the reflectors in correct lateral and depth positions. Numerical results are presented and analyzed on a modified 2D slice of the 3D SEAM model. On the created model it is possible to investigate the image quality effect of a better definition of the top of salt body and how this affects the imaging on deeper targets.


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