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A Study of the Thin Film-Coated Swelling Retarding Particles in Fractured Carbonate Reservoirs for Water Plugging and Profile Control

Author

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  • Guojun Li

    (College of Petroleum Engineering, Yangtze University, Wuhan 430100, China)

  • Meilong Fu

    (College of Petroleum Engineering, Yangtze University, Wuhan 430100, China)

  • Xuejiao Li

    (College of Petroleum Engineering, Yangtze University, Wuhan 430100, China)

  • Jiani Hu

    (College of Petroleum Engineering, Yangtze University, Wuhan 430100, China)

Abstract

T oilfield is the fractured-vuggy carbonate reservoir at a temperature of around 130 °C, with salinity of up to 22 × 10 4 mg/L. In order to solve the problem of the high water cut in the late development stage of T oilfield, we selected XN-T from 27 kinds of swelling retarding particles by testing their swelling capacity, and coated a thin film to improve its retarding swelling capacity. The mechanisms of strong water absorption and water-holding abilities of particles were analyzed by infrared spectrometry and SEM. In the core flow experiment, the plugging rate was found to be 98.42%. Finally, the injection parameters of the coated particles were optimized to maximize the water plugging and profile control ability, resulting in an optimal particle size of 0.4–0.6 mm and a mass fraction of 10%.

Suggested Citation

  • Guojun Li & Meilong Fu & Xuejiao Li & Jiani Hu, 2022. "A Study of the Thin Film-Coated Swelling Retarding Particles in Fractured Carbonate Reservoirs for Water Plugging and Profile Control," Energies, MDPI, vol. 15(3), pages 1-11, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:1085-:d:740066
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    Cited by:

    1. Meilong Fu & Junbo Zhang & Guojun Li & Jiani Hu & Peng Chen & Lifeng Chen & Honglin He, 2022. "Study and Application of Ultrafine Temperature-Resistant and Salt-Tolerant Swellable Particles in Low Permeability Reservoirs," Energies, MDPI, vol. 15(18), pages 1-13, September.

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