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    Study cases of thermal conductivity prediction from P-wave velocity and porosity

    Access Status
    Fulltext not available
    Authors
    Esteban, L.
    Pimienta, L.
    Sarout, J.
    Delle Piane, C.
    Haffen, S.
    Geraud, Y.
    Timms, Nicholas Eric
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Esteban, L. and Pimienta, L. and Sarout, J. and Delle Piane, C. and Haffen, S. and Geraud, Y. and Timms, N. 2015. Study cases of thermal conductivity prediction from P-wave velocity and porosity. Geothermics. 53: pp. 255-269.
    Source Title
    Geothermics
    DOI
    10.1016/j.geothermics.2014.06.003
    ISSN
    0375-6505
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/7493
    Collection
    • Curtin Research Publications
    Abstract

    Laboratory measurements of porosity, P-wave velocity and thermal conductivity from samples from two geothermal reservoirs in France and Australia are compared to the predictions from different models involving mineralogical considerations, and effective medium theory models yields <10% error in dry and saturated conditions in the Australian aquifer, and <30% deviation under saturated conditions in the French reservoir. Thermal conductivity derived from models involving detailed mineralogy is in good agreement with laboratory-measured data. Possible explanations for minor discrepancies using SEM/XRD include the effects of secondary minerals (i.e. ±undetected carbonates and fine particles) and the hydration of clays.

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