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CFD Research on Natural Gas Sampling in a Horizontal Pipeline

Author

Listed:
  • Mingou Wu

    (Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu 610000, China
    National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu 610000, China
    High Sulfer Gas Exploitation Pilot Test Center, China National Petroleum Corporation (CNPC), Chengdu 610000, China
    These authors contributed equally to this work.)

  • Yanling Chen

    (School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
    These authors contributed equally to this work.)

  • Qisong Liu

    (Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu 610000, China
    National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu 610000, China
    High Sulfer Gas Exploitation Pilot Test Center, China National Petroleum Corporation (CNPC), Chengdu 610000, China)

  • Le Xiao

    (China Petroleum Engineering & Construction Corporation (CPECC) Southwest Company, Chengdu 610041, China)

  • Rui Fan

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Linfeng Li

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Xiaoming Xiao

    (School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China)

  • Yongli Sun

    (School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China)

  • Xiaoqin Yan

    (Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu 610000, China
    National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu 610000, China
    High Sulfer Gas Exploitation Pilot Test Center, China National Petroleum Corporation (CNPC), Chengdu 610000, China)

Abstract

Accurately determining if the sample parameters from a natural gas pipeline’s sampling system reflect the fluid characteristics of the main pipe has been a significant industry concern for many years. In this paper, samples of natural gas in a horizontal pipeline are investigated. CFD is used in this work and the turbulence is considered in the simulation. Firstly, the critical diameter for particles affected by gravity within such pipeline is determined. And then, the effects of the operation pressure and velocity of sampling branches on sample parameters, and the influence of particle density on these sample parameters, are analyzed. Finally, four different structures of sample branches for natural gas in a horizontal pipeline are compared. It is found that 100 μm is the critical diameter at which particles are affected by gravity; the operating pressure of the sampling branch has a significant impact on the particle mass concentration. The particle density has little impact on the sampling system. Overall, the design of the sampling branches does not cause significant sampling errors. This study provides guidance for optimal sampling in existing natural gas pipelines and enables effective monitoring of particle impurity content and properties in natural gas.

Suggested Citation

  • Mingou Wu & Yanling Chen & Qisong Liu & Le Xiao & Rui Fan & Linfeng Li & Xiaoming Xiao & Yongli Sun & Xiaoqin Yan, 2024. "CFD Research on Natural Gas Sampling in a Horizontal Pipeline," Energies, MDPI, vol. 17(16), pages 1-20, August.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:16:p:3985-:d:1454609
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