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    Frequency dependent anisotropy of porous rocks with aligned fractures

    Access Status
    Fulltext not available
    Authors
    Gurevich, Boris
    Galvin, Robert
    Mueller, T.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Gurevich, B. and Galvin, R. and Mueller, T. 2011. Frequency dependent anisotropy of porous rocks with aligned fractures, in Proceedings of the EAGE workshop on naturally and hydraulically induced fractured reservoirs - from NanoDarcies to Darcies, Apr 10-13 2011. Nafplio, Greece: European Association of Geoscientists and Engineers (EAGE).
    Source Title
    Naturally and Hydraulically Induced Fractured Reservoirs: From nanoDarcies to Darcies
    DOI
    10.1111/1365-2478.12177
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/28585
    Collection
    • Curtin Research Publications
    Abstract

    In fractured reservoirs, the wave induced fluid flow between pores and fractures can cause significant dispersion and attenuation of seismic waves. For waves propagating normal to the fractures this effect has been quantified in earlier studies. Here we extend normal incidence results to oblique incidence using known expressions for the stiffness tensors in the low- and high-frequency limits. This allows us to quantify frequency-dependent anisotropy due to the wave-induced flow between pores and fractures and gives a simple recipe for computing phase velocities and attenuation factors of P, SV and SH waves as functions of frequency and angle.

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