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    Zero-offset sections with a deblurring filter in the time domain

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    Expanded Abstract
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    Type
    Conference Paper
    Authors
    Feng, Shihang cc
    Yilmaz, Oz
    Chen, Yuqing cc
    Schuster, Gerard T. cc
    KAUST Department
    Center for Subsurface Imaging and Fluid Modeling
    Earth Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2018-08-27
    Online Publication Date
    2018-08-27
    Print Publication Date
    2018-08-27
    Permanent link to this record
    http://hdl.handle.net/10754/631146
    
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    Abstract
    We present a workflow for reconstructing a high-quality zero-offset reflection section from prestack data. This workflow constructs a migration image volume by prestack time migration (PSTM) using a series of constant-velocity models. A deblurring filter for each constant-velocity model is applied to each time-migration image to get a deblurred image volume. In order to preserve all events in the image volume, each deblurred image panel is demigrated and then summed over the velocity axis. The resulting demigration section is equivalent to a zero-offset reflection section. Compared with the workflow without a deblurring filter, the composite zero-offset reflection section has higher resolution and a better signal-to-noise ratio. Numerical tests are used to validate the effectiveness of this method with both synthetic and field data.
    Citation
    Feng S, Yilmaz O, Chen Y, Schuster GT (2018) Zero-offset sections with a deblurring filter in the time domain. SEG Technical Program Expanded Abstracts 2018. Available: http://dx.doi.org/10.1190/segam2018-2996099.1.
    Sponsors
    The research reported in this publication was supported by the King Abdullah University of Science and Technology (KAUST) in Thuwal, Saudi Arabia. We are grateful to the sponsors of the Center for Subsurface Imaging and Modeling Consortium for their financial support. For computer time, this research used the resources of the Supercomputing Laboratory at KAUST and the IT Research Computing Group. We thank them for providing the computational resources required for carrying out this work.
    Publisher
    Society of Exploration Geophysicists
    Journal
    SEG Technical Program Expanded Abstracts 2018
    Conference/Event name
    88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018
    DOI
    10.1190/segam2018-2996099.1
    Additional Links
    https://library.seg.org/doi/10.1190/segam2018-2996099.1
    ae974a485f413a2113503eed53cd6c53
    10.1190/segam2018-2996099.1
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Earth Science and Engineering Program

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