Diffraction imaging and time-migration velocity analysis using oriented velocity continuation

Luke Decker, Dmitrii Merzlikin, Sergey Fomel

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


We perform seismic diffraction imaging and time-migration velocity analysis by separating diffractions from specular reflections and decomposing them into slope components. We image the slope components using migration velocity extrapolation in time-space-slope coordinates. The extrapolation is described by a convection-type partial differential equation and implemented in a highly parallel manner in the Fourier domain. Synthetic and field data experiments show that the proposed algorithms are able to detect accurate time-migration velocities by measuring the flatness of diffraction events in slope gathers for single- and multiple-offset data.
Original languageEnglish (US)
Pages (from-to)U25-U35
Number of pages1
Issue number2
StatePublished - Mar 1 2017
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2022-06-21
Acknowledgements: We thank KAUST, Shell, and the sponsors of TCCS for their financial support of this work and E. Landa for inspiring discussions.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.


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