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    Laboratory measurements of the elastic and anelastic parameters of limestone at seismic frequencies

    Access Status
    Fulltext not available
    Authors
    Mikhaltsevitch, Vassili
    Lebedev, Maxim
    Gurevich, Boris
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Mikhaltsevitch, V. and Lebedev, M. and Gurevich, B. 2013. Laboratory measurements of the elastic and anelastic parameters of limestone at seismic frequencies. SEG Technical Program Expanded Abstracts. 2013: pp. 2974-2978.
    Source Title
    SEG Technical Program Expanded Abstracts 2013
    Source Conference
    SEG Houston 2013 Annual Meeting
    DOI
    10.1190/segam2013-1395.1
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/42271
    Collection
    • Curtin Research Publications
    Abstract

    A study of pore fluid effects on the elastic and anelastic properties of sedimentary rocks is important for seismic data interpretation and for monitoring the fluid movement during hydrocarbon extraction in producing fields. A significant portion of the world's hydrocarbon reserves are found in limestone reservoirs. An understanding of fluid effects on limestone properties is essential to characterize these reservoirs accurately. We present the results of low frequency (0.1 – 120 Hz) laboratory measurements of the elastic and anelastic properties of dry and water-saturated Savonnieres oolitic limestone (permeability – 3.2 mD, porosity – 29%) carried out at an effective pressure of 15 MPa which were complemented with indentation tests conducted under ambient conditions. Our measurements displayed reduction of the Young and shear moduli when changing from dry to water saturation conditions. The reduction of the Young modulus of the rock was also confirmed by the results of the indentation testing. The applicability of Gassmann's fluid substitution theory for the interpretation of obtained results was also tested during these experiments.

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