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    Residual Trapping of Supercritical CO2: Direct Pore-scale Observation Using a Low Cost Pressure Cell for Micro Computer Tomography

    256392.pdf (2.069Mb)
    Access Status
    Open access
    Authors
    Lebedev, Maxim
    Zhang, Yihuai
    Mikhaltsevitch, Vassili
    Iglauer, Stefan
    Rahman, Taufiq
    Date
    2017
    Type
    Conference Paper
    
    Metadata
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    Citation
    Lebedev, M. and Zhang, Y. and Mikhaltsevitch, V. and Iglauer, S. and Rahman, T. 2017. Residual Trapping of Supercritical CO2: Direct Pore-scale Observation Using a Low Cost Pressure Cell for Micro Computer Tomography. Energy Procedia. 114: pp. 4967-4974.
    Source Title
    Energy Procedia
    DOI
    10.1016/j.egypro.2017.03.1639
    ISSN
    1876-6102
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/57985
    Collection
    • Curtin Research Publications
    Abstract

    We describe the design and fabrication steps of a low-cost, modular experimental cell for flooding and X-ray tomography visualization of the rock samples at reservoir conditions (confining pressure up to 45 MPa, pore fluid pressure up to 20 MPa, and temperature up to 80 °C). The main body of the cell is made from Polyether ether ketone (PEEK) tube. The cell can be easily machined and assembled in house from off-the-shelf components at a low cost. Modular design allows adopting the cell to a wide range of X-ray visualization experiments. To demonstrate the capabilities of the equipment we are presenting how the residual CO 2 phase spreads in the rock as a function of thermo-physical conditions, namely, for ambient condition CO 2 gas, near-critical CO 2 gas, liquid CO 2 , and supercritical CO 2 .

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