Migration to zero-offset in variable velocity media

Alexander Mihai Popovici

doi:10.1117/12.187490

23 September 1994 Migration to zero-offset in variable velocity media

Alexander Mihai Popovici

Proceedings Volume 2301, Mathematical Methods in Geophysical Imaging II; (1994) https://doi.org/10.1117/12.187490
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

As a condition for further generalization of the migration to zero-offset in variable velocity media, I develop the theory for 2D migration to zero offset (MZO) in constant velocity media, starting from prestack migration in midpoint-offset coordinates. In arrive at an integral formulation for the MZO operator, analytically derived from the double square root (DSR) prestack migration equation. The integral formulation for the MZO is similar in form to the DSR equation, suggesting a generalization to variable velocity media using a phase-shift algorithm.

Citation Download Citation

Alexander Mihai Popovici "Migration to zero-offset in variable velocity media", Proc. SPIE 2301, Mathematical Methods in Geophysical Imaging II, (23 September 1994); https://doi.org/10.1117/12.187490

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