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    Microstructure and Nanoscale Rock Mechanical Properties of Coal: Applications to CO2 Storage

    Zhang Y 2017.pdf (8.500Mb)
    Access Status
    Open access
    Authors
    Zhang, Yihuai
    Date
    2017
    Supervisor
    Prof. Stefan Iglauer
    Type
    Thesis
    Award
    PhD
    
    Metadata
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    Faculty
    Science and Engineering
    School
    Department of Petroleum Engineering
    URI
    http://hdl.handle.net/20.500.11937/65384
    Collection
    • Curtin Theses
    Abstract

    In this thesis, the coal microstructure was investigated to better understand the related nanoscale rock-mechanical properties, and morphological changes for different effective stresses and during water and CO2 adsorption, including related porosity and permeability changes. Using in-situ reservoir condition x-ray micro-computed tomography imaging, it was observed for the first time how the micro cleat structure inside the coal matrix closed induced by supercritical CO2 flooding in-situ, and associated fracturing of the mineral phase.

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