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Study on a Novel Gelled Foam for Conformance Control in High Temperature and High Salinity Reservoirs

Author

Listed:
  • Tong Li

    (School of Energy Resources, China University of Geosciences, Beijing 100083, China
    These authors contributed equally to this work.)

  • Jichao Fang

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China
    These authors contributed equally to this work.)

  • Baolei Jiao

    (SINOPEC Northwest Branch Company Technology Research Institute of Petroleum Engineering, Urumqi 830011, China)

  • Long He

    (SINOPEC Northwest Branch Company Technology Research Institute of Petroleum Engineering, Urumqi 830011, China)

  • Caili Dai

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China)

  • Qing You

    (School of Energy Resources, China University of Geosciences, Beijing 100083, China)

Abstract

A novel gelled foam for conformance control was investigated for its ability to enhance oil recovery (EOR) in high temperature and high salinity reservoirs. The formulation optimization, foaming performance, and core flooding performance of the gelled foam were systematically evaluated under harsh reservoir conditions. The gelled foam formulation was optimized with 0.4% polymer (hydrolyzed polyacrylamide; HPAM), 0.06% cross-linker (phenolic) and 0.2% foaming agent (sulphobetaine; SB). The addition of the gel improved the stability of the foam system by 3.8 times that of traditional foam. A stabilization mechanism in the gelled foam was proposed to describe the stabilization process of the foam film. The uniformly distributed three-dimensional network structure of the gel provided a thick protective layer for the foam system that maintained the stability of the foam and improved the strength and thickness of the liquid film. The gelled foam exhibited good formation adaptability, profile control, and EOR performance. The foam flowed into the high permeability layer, plugged the dominant channel, and increased the swept volume. Oil recovery was enhanced by 29.4% under harsh high -temperature and high salinity conditions.

Suggested Citation

  • Tong Li & Jichao Fang & Baolei Jiao & Long He & Caili Dai & Qing You, 2018. "Study on a Novel Gelled Foam for Conformance Control in High Temperature and High Salinity Reservoirs," Energies, MDPI, vol. 11(6), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1364-:d:149279
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    Citations

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    Cited by:

    1. Hassan I. Nimir & Ahmed Hamza & Ibnelwaleed A. Hussein, 2020. "Development of Greener D-Metal Inorganic Crosslinkers for Polymeric Gels Used in Water Control in Oil and Gas Applications," Energies, MDPI, vol. 13(16), pages 1-15, August.
    2. Songyan Li & Chenyu Qiao & Guowei Ji & Qun Wang & Lei Tao, 2019. "Experimental Study of Profile Control with Foam Stabilized by Clay Particle and Surfactant," Energies, MDPI, vol. 12(5), pages 1-19, February.

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