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    Stochastic Time-lapse Inversion of a CO2 Sequestration Synthetic Seismic Data

    Access Status
    Fulltext not available
    Authors
    Meira, M.
    Pevzner, Roman
    Caspari, Eva
    Gurevich, Boris
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Meira, M. and Pevzner, R. and Caspari, E. and Gurevich, B. 2014. Stochastic Time-lapse Inversion of a CO2 Sequestration Synthetic Seismic Data, in 76th EAGE Conference & Exhibition, 16-19 June 2014. Amsterdam, Netherlands: European Association of Geoscientists and Engineers.
    Source Title
    76th EAGE Conference & Exhibition incorporating SPE EUROPEC 2014
    Source Conference
    76th EAGE Conference & Exhibition incorporating SPE EUROPEC 2014
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/6710
    Collection
    • Curtin Research Publications
    Abstract

    In the domain of time lapse interpretation the development of tools to create scenarios that can explain the time lapse anomalies directly from the seismic data and, at the same time, evaluate the uncertainty associated with the available input data can help to accelerate the incorporation of this important information to flow simulations. The purpose of this study is to investigate whether the time-lapse seismic inversion can detect changes of the seismic response caused by injection of distinct amounts (10,000 t and 30,000 t) of 80/20% CO2-CH4 mixture into sandstone reservoir in South Australia using synthetic seismic data. The number of realizations as well as the informed uncertainties of input parameters plays a big role in the unveiling of subtle effects of small volumes of injection as this one. The presented findings suggested that the current approach has succeeded in using synthetic data to test the limits of this recent technique.

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