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    Effect of fracture fill on elastic waves in fractured porous rocks

    Access Status
    Fulltext not available
    Authors
    Kong, L.
    Gurevich, Boris
    Müller, T.
    Wang, Y.
    Yang, H.
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Kong, L. and Gurevich, B. and Müller, T. and Wang, Y. and Yang, H. 2013. Effect of fracture fill on elastic waves in fractured porous rocks, in Proceedings of the Second International Workshop on Rock Physics, Aug 4-9 2013. Southampton: EAGE.
    Source Title
    Second International Workshop on Rock Physics
    Source Conference
    Second International Workshop on Rock Physics
    Additional URLs
    http://earthdoc.eage.org/publication/publicationdetails/?publication=73426
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/38066
    Collection
    • Curtin Research Publications
    Abstract

    When a porous medium is permeated by open fractures, wave-induced flow between pores and fractures can cause attenuation and dispersion of the passing wave. Most studies of this phenomenon assume that pores and fractures are saturated with the same fluid. Here we develop a model for wave propagation in a porous medium with aligned fractures where pores and fractures are filled with different fluids. The model is based on the theory of wave propagation in a periodically layered poroelastic medium. The results are consistent with earlier studies when both pores and fractures are saturated with liquids, but also show significant dispersion and attenuation when the pores are filled with a liquid while the fractures are dry or gas-saturated.

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