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    Time-Lapse Pore-Scale Assessment of Layer-to-Layer Spontaneous Imbibition

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    Type
    Conference Paper
    Authors
    Alaamri, J.
    Chandra, V.
    Hoteit, H.
    KAUST Department
    King Abdullah University of Science and Technology
    Date
    2022
    Permanent link to this record
    http://hdl.handle.net/10754/678303
    
    Metadata
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    Abstract
    Spontaneous imbibition is a fundamental flow mechanism that plays a significant role in oil extraction from subsurface reservoirs. Understanding the imbibition behavior, which is driven by capillarity relative to the interfacial forces between the immiscible fluids within the porous media, is essential for designing and optimizing IOR/EOR recovery schemes. Conventional lab experiments with Amott cell ( Figure 1 ), which is commonly used to quantify the oil recovery behavior from a core plug, do not replicate the actual field conditions, where imbibition occurs within the porous media, i.e., from layer to layer ( Figure 2 ). The poor representation of field case conditions may underestimate the full potential of the imbibition mechanism. In this study, we propose a new method to complement the conventional method by providing insights on the spontaneous imbibition behavior from layer to layer, mimicking cross-flow between reservoir layers. Computed Tomography Scan (CT scan) equipment was employed for this purpose. The new method should complement the current Amott cell method to enhance the construction of the production curves. The use of micro-CT and time-lapse in-situ imaging facilitates visualizing and quantifying rock-to-rock imbibition within heterogeneous porous media, which cannot be achieved with the conventional methods.
    Citation
    Alaamri, J., Chandra, V., & Hoteit, H. (2022). Time-Lapse Pore-Scale Assessment of Layer-to-Layer Spontaneous Imbibition. 83rd EAGE Annual Conference & Exhibition. https://doi.org/10.3997/2214-4609.202210869
    Sponsors
    The authors would like to express gratitude to King Abdullah University of Science & Technology (KAUST) for funding and supporting this work.
    Publisher
    European Association of Geoscientists & Engineers
    Conference/Event name
    83rd EAGE Annual Conference & Exhibition
    DOI
    10.3997/2214-4609.202210869
    Additional Links
    https://www.earthdoc.org/content/papers/10.3997/2214-4609.202210869
    ae974a485f413a2113503eed53cd6c53
    10.3997/2214-4609.202210869
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