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    MODIFIED SALINITY WATERFLOOD COMPOSITIONS BASED ON MULTI-COMPONENT ION-EXCHANGE

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    EAGE2021_yutkin.pdf
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    Description:
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    Type
    Conference Paper
    Authors
    Yutkin, Maxim
    Radke, C.
    Patzek, Tadeusz cc
    KAUST Department
    King Abdullah University of Science and Technology;
    Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC)
    Physical Science and Engineering (PSE) Division
    Energy Resources and Petroleum Engineering Program
    Date
    2021
    Permanent link to this record
    http://hdl.handle.net/10754/676720
    
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    Abstract
    This work computationally studies multi-component ion-exchange process and gives guidelines on modifying salinity of seawater used in waterflooding carbonate reservoirs. The study is restricted to \ce{Ca^2+}/\ce{Na^+} cation ion-exchange and cation (\ce{Ca^2+}) bridging mechanisms of oil binding. We find that injected seawater diluted with low salinity brine or de-ionized water shifts ion-exchange equilibrium toward stronger oil binding and is therefore inefficient strategy for improving incremental oil recovery. Instead, keeping salinity high, increasing sodium and decreasing calcium yields weaker oil binding. This should be the preferred strategy for modified salinity waterflooding.
    Citation
    Yutkin, M., Radke, C., & Patzek, T. (2021). Modified Salinity Waterflood Compositions Based on Multi-Component ION-Exchange. 82nd EAGE Annual Conference & Exhibition. https://doi.org/10.3997/2214-4609.202011861
    Sponsors
    This project was funded by prof. Patzek’s baseline research grant.
    Publisher
    European Association of Geoscientists & Engineers
    Conference/Event name
    82nd EAGE Conference and Exhibition 2021
    ISBN
    9781713841449
    DOI
    10.3997/2214-4609.202011861
    Additional Links
    https://www.earthdoc.org/content/papers/10.3997/2214-4609.202011861
    ae974a485f413a2113503eed53cd6c53
    10.3997/2214-4609.202011861
    Scopus Count
    Collections
    Conference Papers; Energy Resources and Petroleum Engineering Program; Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC); Physical Science and Engineering (PSE) Division

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