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Calculating Model of Frictional Pressure Drop for Gas Well During Foam Drainage

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Chemistry and Technology of Fuels and Oils Aims and scope

In the process of enhanced of development of gas wells, the liquid loading may cause obstacles for the affective production of the gas wells. Gas-foam drainage technology has the advantage of low cost and simple operation. The design of the drainage technology requires providing a reliable formula to evaluate the friction coefficient of foam in the tube. In this paper, we have applied a theoretical analysis and indoor experiments to study the liquid volume lifted by the gas-foam flow and the pressure gradient in the well pipe in the process of foaming drainage, and established the calculating formula for the foaming friction in the well pipe, considering the different injection speed of the foaming agent. The validation for comprehensive analysis of the foaming technology in production gas wells.

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Authors and Affiliations

  1. Oil and Gas Technology Research Institute of Changqing Oilfield Branch, Xi’an, 710021, Shaanxi Province, China

    Bai Xiaohong, Yao Jian & Wang Xiaorong

  2. National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Fields, Xi’an, 710021, Shaanxi Province, China

    Bai Xiaohong, Yao Jian & Wang Xiaorong

  3. Yangtze University, Wuhan, 430100, Hubei Province, China

    Cheng Yang & Luo Wei

Authors
  1. Bai Xiaohong
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  2. Cheng Yang
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  3. Yao Jian
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  4. Luo Wei
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  5. Wang Xiaorong
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Corresponding author

Correspondence to Cheng Yang.

Additional information

Translated for, Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 67-72, November-December, 2020.

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Xiaohong, B., Yang, C., Jian, Y. et al. Calculating Model of Frictional Pressure Drop for Gas Well During Foam Drainage. Chem Technol Fuels Oils 56, 950–961 (2021). https://doi.org/10.1007/s10553-021-01212-3

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  • DOI: https://doi.org/10.1007/s10553-021-01212-3

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