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    Empirical 3D depth/time dependent coherent noise generation for use in statistical models of seismic data

    Access Status
    Fulltext not available
    Authors
    Alajmi, M.
    Bona, Andrej
    Pevzner, Roman
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Alajmi, M. and Bona, A. and Pevzner, R. 2016. Empirical 3D depth/time dependent coherent noise generation for use in statistical models of seismic data. Journal of Applied Geophysics. 125: pp. 7-13.
    Source Title
    Journal of Applied Geophysics
    DOI
    10.1016/j.jappgeo.2015.11.015
    ISSN
    0926-9851
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/17109
    Collection
    • Curtin Research Publications
    Abstract

    Seismic monitoring feasibility analysis performed for a particular site usually involves the prediction of the time-lapse seismic signal and an assessment of the detectability of such a signal. In order to do this, level and other characteristics of time-lapse noise should also be known. In general, the observed time-lapse noise is spatially correlated, band-limited and exhibits lateral and temporal variations of its characteristics. If one wants to perform a statistical analysis of the detectability of the time-lapse signal one would need to have multiple realizations of such noise. To obtain such realizations, we propose a method for the modification of a single measured time-lapse noise volume by changing the phase spectra of the noise in sliding windows to random phases to preserve the spatial and temporal variability of the noise. To demonstrate the performance of this approach, we apply the method to CO2CRC Otway Project 4D seismic data.

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