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    Experimental laboratory study on the acoustic response of sandstones during injection of supercritical CO2 on CRC2 sample from Otway basin Australia

    193414_94872_Experimental_laboratory_study_on_the_acoustic_response_of.pdf (964.2Kb)
    Access Status
    Open access
    Authors
    Lebedev, Maxim
    Mikhaltsevitch, Vassili
    Bilenko, Olga
    Dance, T.
    Pervukhina, M.
    Gurevich, Boris
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Lebedev, Maxim and Mikhaltsevitch, Vassili and Bilenko, Olga and Dance, Tess and Pervukhina, Marina and Gurevich, Boris. 2013. Experimental laboratory study on the acoustic response of sandstones during injection of supercritical CO2 on CRC2 sample from Otway basin Australia. Energy Procedia. 37: pp. 4106-4113.
    Source Title
    Energy Procedia
    DOI
    10.1016/j.egypro.2013.06.312
    ISSN
    1876-6102
    Remarks

    This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by-nc-nd/3.0/. Please refer to the licence to obtain terms for any further reuse or distribution of this work.

    URI
    http://hdl.handle.net/20.500.11937/6823
    Collection
    • Curtin Research Publications
    Abstract

    Quantitative knowledge of the acoustic response of rock from an injection site on supercritical CO2 saturation is crucial for understanding the feasibility of time-lapse seismic monitoring of CO2 plume migration. A suite of shaley sandstones from the CRC-2 well, Otway Basin, Australia is tested to reveal the effects of supercritical CO2 injection on acoustic responses. The sandstone samples were cut in different directions with respect to a formation bedding plane and varied in porosities between 14% and 29% and permeabilities between 0.2 mD and 10,000 mD. Pore pressures and temperatures were varied from 4 MPa to 10 MPa, and 23°C to 45°C respectively to cover both vapour and supercritical regions of CO2 phase diagram. CO2 is first injected into dry samples, flushed out with brine and then injected again into brine saturated samples. Such experimental protocol allows us to obtain acoustic velocities of the samples for the wide range of CO2 saturations from 0 to 100%. On injection of supercritical CO2 (scCO2) into brine-saturated samples, they exhibit observable perturbation of ~7% of compressional velocities with the increase of CO2 saturation form 0% to maximum (~50%). Changes of the dry samples before and after the CO2 injection (if any) are not traceable by acoustic methods. An applicability of implementation of fluid substitution using Gassman theory for CRC2 well has been proved in the experiments. CO2 Residual saturation of about 50% was measured by monitoring of the volume of brine displaced from the sample and was independently confirmed by computer tomography (CT) imaging of the sample before and after experiments.

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    • Experimental laboratory study on the acoustic response during injection of supercritical CO2 into brine saturated sandstones
      Lebedev, Maxim; Mikhaltsevitch, Vassili; Gurevich, Boris (2013)
      Quantitative knowledge of the acoustic response of rock from an injection site on supercritical CO2 saturation is crucial for understanding the feasibility of time-lapse seismic monitoring of CO2 plume migration. A suite ...
    • An experimental study of acoustic responses on the injection of supercritical CO2 into sandstones from the Otway Basin
      Lebedev, Maxim; Pervukhina, M.; Mikhaltsevitch, Vassili; Dance, T.; Bilenko, Olga; Gurevich, Boris (2013)
      Quantitative knowledge of the acoustic response of rock from an injection site on supercritical CO2 (scCO2) saturation is crucial for understanding the feasibility of time-lapse seismic monitoring of CO2 plume migration. ...
    • An experimental study of acoustic responses on the injection of supercritical CO2 into sandstones from the Otway Basin
      Lebedev, Maxim; Pervukhina, M.; Mikhaltsevitch, Vassili; Dance, T.; Bilenko, Olga; Gurevich, Boris (2013)
      Quantitative knowledge of the acoustic response of rock from an injection site on supercritical CO 2 (scCO 2 ) saturation is crucial for understanding the feasibility of time-lapse seismic monitoring of CO 2 plume ...
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