Anisotropy signature in extended images from reverse-time migration | Zendy

Paul Sava | Zendy; Tariq Alkhalifah | Zendy

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Anisotropy signature in extended images from reverse-time migration

Author(s) -

Paul Sava,

Tariq Alkhalifah

Publication year - 2012

Publication title -

king abdullah university of science and technology repository (king abdullah university of science and technology)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1190/segam2012-0124.1

Subject(s) - anisotropy , signature (topology) , seismic migration , geology , point (geometry) , image (mathematics) , computer science , optics , geophysics , computer vision , physics , geometry , mathematics

Reverse-time migration can accurately image complex geologic structures in anisotropic media. Extended images at selected locations in the earth, i.e. at common-image-point gathers (CIPs), carry enough information to characterize the angle-dependent illumination and to provide measurements for migration velocity analysis. Furthermore, inaccurate anisotropy leaves a distinctive signature in CIPs, which can be used to evaluate anisotropy through techniques similar to the ones used in conventional wavefield tomography

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