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Optimal Concentration of the Bubble Drainage Agent in Foam Drainage Gas Recovery Applications

Shaopeng Liu1, Guowei Wang2,3,*, Pengfei Liu1, Dong Ye1, Jian Song1, Xing Liu1, Yang Cheng2,3

1 Second Gas Production Plant of Qinghai Oilfield Branch, Jiuquan, 736202, China
2 School of Petroleum Engineering, Yangtze University, Wuhan, 430100, China
3 Petrochina Multiphase Flow Laboratory of Gas Lift Innovation Cente, Wuhan, 430100, China

* Corresponding Author: Guowei Wang. Email: email

Fluid Dynamics & Materials Processing 2023, 19(12), 3045-3058. https://doi.org/10.32604/fdmp.2023.029810

Abstract

Foam drainage is the flow of liquid through the interstitial spaces between bubbles driven by capillarity and gravity and resisted by viscous damping. The so-called foam drainage gas recovery technology is a technique traditionally used to mitigate the serious bottom-hole liquid loading in the middle and late stages of gas well production. In this context, determining the optimal concentration of the bubble drainage agent is generally crucial for the proper application of this method. In this study, a combination of indoor experiments and theoretical analysis have been used to determine the pressure drop related to the foam-carrying capacity in a representative gas field. Dynamic and static experiments were designed with a bubble drainage agent concentration varying in the range 0.3%–0.6%. Using the field formation water data, the optimal soaking agent concentration was obtained and pressure drop test experiments on the foam carrying capacity were conducted accordingly. These tests have revealed that the optimal foam displacement agent concentration is 0.5%, and the foam quality at the optimum concentration is between 0.78–0.98. A theoretical method for calculating the pressure drop at the optimum soakaway concentration based on experimental data has also been introduced. The error of the proposed method is within 15% compared to the experimental measured value, demonstrating that it is highly accurate and simple.

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APA Style
Liu, S., Wang, G., Liu, P., Ye, D., Song, J. et al. (2023). Optimal concentration of the bubble drainage agent in foam drainage gas recovery applications. Fluid Dynamics & Materials Processing, 19(12), 3045-3058. https://doi.org/10.32604/fdmp.2023.029810
Vancouver Style
Liu S, Wang G, Liu P, Ye D, Song J, Liu X, et al. Optimal concentration of the bubble drainage agent in foam drainage gas recovery applications. Fluid Dyn Mater Proc. 2023;19(12):3045-3058 https://doi.org/10.32604/fdmp.2023.029810
IEEE Style
S. Liu et al., "Optimal Concentration of the Bubble Drainage Agent in Foam Drainage Gas Recovery Applications," Fluid Dyn. Mater. Proc., vol. 19, no. 12, pp. 3045-3058. 2023. https://doi.org/10.32604/fdmp.2023.029810



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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