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    Application of multi-source waveform inversion to marine streamer data using the global correlation norm

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    Type
    Article
    Authors
    Choi, Yun Seok
    Alkhalifah, Tariq Ali cc
    KAUST Department
    Earth Science and Engineering Program
    Environmental Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Seismic Wave Analysis Group
    Date
    2012-05-02
    Online Publication Date
    2012-05-02
    Print Publication Date
    2012-07
    Permanent link to this record
    http://hdl.handle.net/10754/562178
    
    Metadata
    Show full item record
    Abstract
    Conventional multi-source waveform inversion using an objective function based on the least-square misfit cannot be applied to marine streamer acquisition data because of inconsistent acquisition geometries between observed and modelled data. To apply the multi-source waveform inversion to marine streamer data, we use the global correlation between observed and modelled data as an alternative objective function. The new residual seismogram derived from the global correlation norm attenuates modelled data not supported by the configuration of observed data and thus, can be applied to multi-source waveform inversion of marine streamer data. We also show that the global correlation norm is theoretically the same as the least-square norm of the normalized wavefield. To efficiently calculate the gradient, our method employs a back-propagation algorithm similar to reverse-time migration based on the adjoint-state of the wave equation. In numerical examples, the multi-source waveform inversion using the global correlation norm results in better inversion results for marine streamer acquisition data than the conventional approach. © 2012 European Association of Geoscientists & Engineers.
    Citation
    Choi, Y., & Alkhalifah, T. (2012). Application of multi-source waveform inversion to marine streamer data using the global correlation norm. Geophysical Prospecting, 60(4), 748–758. doi:10.1111/j.1365-2478.2012.01079.x
    Sponsors
    We are grateful to King Abdullah University of Science and Technology for financial support. We also thank the associate editor and the reviewers for their fruitful and helpful review of the paper.
    Publisher
    Wiley
    Journal
    Geophysical Prospecting
    DOI
    10.1111/j.1365-2478.2012.01079.x
    ae974a485f413a2113503eed53cd6c53
    10.1111/j.1365-2478.2012.01079.x
    Scopus Count
    Collections
    Articles; Environmental Science and Engineering Program; Physical Science and Engineering (PSE) Division; Earth Science and Engineering Program

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