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    Effect of capillarity on the acoustics of partially saturated porous rocks

    239354_Qi 2015.pdf (2.436Mb)
    Access Status
    Open access
    Authors
    Qi, Qiaomu
    Date
    2015
    Supervisor
    Dr Mahyar Madadi
    Prof. Boris Gurevich
    Type
    Thesis
    Award
    PhD
    
    Metadata
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    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/2491
    Collection
    • Curtin Theses
    Abstract

    Capillarity is known to control the fluid distribution in partially saturated rocks. This thesis explores the effect of capillarity on acoustic signatures within the framework of Biot's poroelasticity theory. The results show that capillary phenomena may have a significant impact on seismic velocity, attenuation and reflectivity. A workflow based on the proposed theory is developed for quantitative interpretation of time-lapse seismic signatures. The results can be useful for accurate estimation of saturation from seismic data.

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