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Operational Matching Optimization of Large-Scale Natural Gas Storage Compressor Units

Hua Chen, Jianfeng Liu, Junfei Wang, Yukang Sun and Lijun Liu ()
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Hua Chen: Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China
Jianfeng Liu: Liaohe Oilfield (Panjin) Gas Storage Co., Ltd., Panjin 124200, China
Junfei Wang: PetroChina Liaohe Oilfield Company, Panjin 124009, China
Yukang Sun: School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Lijun Liu: School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Energies, 2025, vol. 18, issue 20, 1-15

Abstract: As a core device in the natural gas supply chain, the compressor unit of the gas storage reservoir is crucial to the improvement of storage and transportation efficiency through its operation optimization. Based on the basic structure, working principle, and layout mode of the compressor unit of the gas-storage reservoir, this paper establishes a mathematical model for the operation optimization of the compressor unit, proposes an optimization method for the series-parallel operation of the compressor unit, and develops optimization software for the matching operation of the compressor unit. Aiming at the compressor unit used in the gas-storage reservoir with the largest gas injection and production capacity in China, this paper analyzes the variation laws of the compressor inlet temperature and the inlet and outlet pressures during the gas injection cycle, conducts research on the operation-matching optimization of the compressor unit within a one-month long cycle, and obtains the optimization scheme of the series-operation of the compressor unit and the energy-consumption results. Compared with the actual operation data, the monthly power consumption is reduced by 5.12%. The operation optimization situation of the compressor unit on typical days is analyzed to obtain the operation optimization law of the series-connected compressor unit. This research provides a theoretical basis and practical guidance for the operation-scheme optimization of the compressor unit of the gas-storage reservoir and has important practical application value.

Keywords: gas storage facility; compressor; operation scheme; software development; reduce power consumption (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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