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    Compact microwave based water-cut sensor suitable for downhole installation

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    Final_EuMC_Paper2020.pdf.pdf
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    Type
    Conference Paper
    Authors
    Karimi, Muhammad Akram cc
    Arsalan, Muhammad
    Shamim, Atif cc
    KAUST Department
    Electrical Engineering Program
    Electrical Engineering
    Investment Fund
    Physical Science and Engineering (PSE) Division
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2021
    Permanent link to this record
    http://hdl.handle.net/10754/667189
    
    Metadata
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    Abstract
    Water is a by-product of oil extraction process whose amount needs to be determined accurately to optimize the oil production process. Almost 99.9% of the instruments used to determine water content in oil, are installed on the top surface outside an oil well. With the top surface water-fraction or watercut (WC) meters, it is impossible to locate the water producing zones inside the well because oil (and water) is produced from multiple branches inside a well. Ideally, a downhole WC sensor needs to be installed with every branch of the well for better water management. This paper presents a compact microwave based WC sensor which is compatible with an existing downhole system. Sensor consists of a λ/4 open stub based spiral resonator. The stub is printed on a dielectric core residing in the center of a metallic pipe. The stub is fed with a microstrip feedline which has a dedicated ring-shaped ground plane. Mixture flowing between the central core and the metallic pipe changes the dielectric properties and the resonance frequency of this uniquely designed sensor. WC sensing phenomenon has been validated both in simulations as well as inside a flow loop with measured sensitivity of over 200%.
    Citation
    Akram Karimi, M., Arsalan, M., & Shamim, A. (2021). Compact microwave based water-cut sensor suitable for downhole installation. 2020 50th European Microwave Conference (EuMC). doi:10.23919/eumc48046.2021.9337951
    Publisher
    IEEE
    Conference/Event name
    2020 50th European Microwave Conference (EuMC)
    ISBN
    978-1-7281-7039-8
    DOI
    10.23919/EuMC48046.2021.9337951
    Additional Links
    https://ieeexplore.ieee.org/document/9337951/
    https://ieeexplore.ieee.org/document/9337951/
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9337951
    ae974a485f413a2113503eed53cd6c53
    10.23919/EuMC48046.2021.9337951
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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