4.7 Article

An improved hydraulic model of gathering pipeline network integrating pressure-exchange ejector

期刊

ENERGY
卷 260, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2022.125101

关键词

Natural gas co -production; Gathering pipeline network; Hydraulic simulation; Multi -pressure; Ejector

资金

  1. National Science and Technology Major Project of China [2016ZX05066005-001]
  2. National Natural Sci- ence Foundation of China [51874323]
  3. Zhejiang Province Key Research and Development Plan [2021C03152]
  4. Zhoushan Science and Technol- ogy Project [2021C21011]
  5. Science Foundation of China University of Petroleum Beijing [2462020XKBH012]
  6. Science Foundation of Zhejiang Ocean University [11025090721]

向作者/读者索取更多资源

This paper proposes a steady-state hydraulic simulation model that takes into consideration the characteristics of pressure-exchange ejector. The model is validated by experimental and field data, providing guidance for gas field production.
Pressure-exchange ejector is a novel equipment to overcome the pressure mismatch in multi-pressure gathering pipeline network. Hydraulic simulation plays an important role in the safety monitoring and operation opti-mization of gathering pipeline network. However, there is currently no hydraulic simulation model of the gathering pipeline network with the pressure-exchange ejector. This paper proposes a steady-state hydraulic simulation model, which consists of pipeline network structure sub-model, pipeline flow sub-model, and pressure-exchange ejector sub-model. Pipe flow, mass balance and detailed characteristics of pressure-exchange ejector are taken into consideration in the model to determine the unknown pressure and flow parameters. The proposed model is solved by the Newton-Raphson iterative method and validated by experimental and field data. The installation schemes of pressure-ejector in a real-world gas field are determined by scenario analysis to improve gas field production. This study provides an analytical tool for multi-pressure gathering pipeline network and guidance for gas field production.

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