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Technical Abstract

Towards Super-resolution Surface Wave Tomography Using Interferometry

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A Rayleigh surface wave tomography with optimal coverage approach based on the creation of virtual raypaths by interferometry is proposed. The array based conventional surface wave picking methods often provides inhomogeneous or sparse coverage for high-resolution tomography. The delivered inversion result can suffer from acquisition pattern imprints or poor lateral resolution. We propose to create new optimally chosen virtual raypaths that better conditions the information. Rayleigh wave Green’s functions kinematics is then analyzed by a direct inversion of the phase interference pattern. Proof of concept on synthetics then illustrated on 3D real data are shown.
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Publications

EAGE - European Association of Geoscientists and Engineers

Authors

C. Berron (CGG), T. Bardainne (CGG)

Month

June

Copyright

© 2018 EAGE