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    Nanofluids for enhanced oil recovery processes: Wettability alteration using zirconium oxide

    Access Status
    Fulltext not available
    Authors
    Nwidee, L.
    Al-Anssari, S.
    Barifcani, Ahmed
    Sarmadivaleh, Mohammad
    Iglauer, Stefan
    Date
    2016
    Type
    Conference Paper
    
    Metadata
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    Citation
    Nwidee, L. and Al-Anssari, S. and Barifcani, A. and Sarmadivaleh, M. and Iglauer, S. 2016. Nanofluids for enhanced oil recovery processes: Wettability alteration using zirconium oxide, pp. 2808-2814.
    Source Title
    Offshore Technology Conference Asia 2016, OTCA 2016
    ISBN
    9781510830721
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/72385
    Collection
    • Curtin Research Publications
    Abstract

    © 2016, Offshore Technology Conference Ultimate oil recovery and displacement efficiency at the pore-scale are controlled by the rock wettability thus there is a growing interest in the wetting behaviour of reservoir rocks as production from fractured oil-wet or mixed-wet limestone formations have remained a key challenge. Conventional waterflooding methods are inefficient in such formation due to poor spontaneous imbibition of water into the oil-wet rock capillaries. However, altering the wettability to water-wet could yield recovery of significant amounts of additional oil thus this study investigates the influence of nanoparticles on wettability alteration. The efficiency of various formulated zirconium-oxide (ZrO2) based nanofluids at different nanoparticle concentrations (0-0.05 wt. %) was assessed through contact angle measurements. Results from the experiments showed ZrO2 nanofluid have great potentials in changing oil-wet limestone towards strongly water-wet condition. The best performance was observed at 0.05wt% ZrO2 nanoparticle concentration which changed an originally strongly oil-wet (152°) calcite substrate towards a strongly water-wet (44°) state thus we conclude that ZrO2 is a good agent for enhanced oil recovery.

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