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    Modeling of depth variable 3D time-lapse seismic noise based on measured noise at the CO2CRC Otway project

    Access Status
    Fulltext not available
    Authors
    Alajmi, M.
    Bona, Andrej
    Pevzner, Roman
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Alajmi, M. and Bona, A. and Pevzner, R. 2013. Modeling of depth variable 3D time-lapse seismic noise based on measured noise at the CO2CRC Otway project, in SEG Technical Program Expanded Abstracts 2013, pp. 5010-5014. Houston: SEG.
    Source Title
    SEG Technical Program Expanded Abstracts 2013
    Source Conference
    SEG Houston 2013 Anual Meeting
    DOI
    10.1190/segam2013-1138.1
    ISSN
    1949-4645
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/23791
    Collection
    • Curtin Research Publications
    Abstract

    Non-repeatable noise in seismic time-lapse poses one of the big challenges of 4D seismic analysis. We propose to construct a variety of time-lapse noise models by matching the amplitude spectra (both temporal and spatial) in a running window to the real time-lapse noise while using random phase spectra. This ensures the preservation of the time dependent character of the noise while allows for rapid generation of many noise realizations. Such rapid time-lapse noise model construction is crucial in Monte Carlo type simulations of time changing seismic response, such as CO2 geosequestration. Herein, we apply the method to the CO2CRC Otway project time-lapse monitoring model.

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