工作井数对含水层压缩CO2储能系统季节性运行的影响

doi:10.13438/j.cnki.jdzk.2026.01.009

吉首大学学报（自然科学版） ›› 2026, Vol. 47 ›› Issue (1): 55-66.DOI: 10.13438/j.cnki.jdzk.2026.01.009

工作井数对含水层压缩CO₂储能系统季节性运行的影响

赖杨志，李毅，黄乐清

（1．长沙理工大学水利与海洋工程学院，湖南长沙 410114；2.湖南地质调查所，湖南长沙 410114）

出版日期:2026-01-25 发布日期:2026-01-30
作者简介:赖杨志（1999—），男，湖南常德人，长沙理工大学水利与海洋工程学院硕士研究生，主要从事压缩CO2储能研究
基金资助:
国家自然科学基金资助项目（52579097）；长沙理工大学研究生科研创新项目（CSLGCX23051）

Effect of the Number of Working Wells on the Seasonal Operation of the Compressed CO₂ Energy Storage System in Aquifers〖STBZ〗

LAI Yangzhi,LI Yi,HUANG Leqing

(1.School of Hydraulic and Ocean Engineering,Changsha University of Science and Technology,Changsha 410114,China;2.Hunan Geological Survey Institute,Changsha 410114,China)

Online:2026-01-25 Published:2026-01-30

摘要/Abstract

摘要：为了明确工作井数对含水层压缩CO₂储能系统运行性能的影响，建立3个不同工作井数(9，5，3)的井群-储气库三维数值模型，运用T2WELL数值模拟软件，探究了储能系统在不同工作井条件下季节性循环运行情况.结果表明，当工作井数由9减少到3时，中心井井口最大压力由17.42 MPa增大到18.23 MPa，最高温度由59.21 ℃上升到60.18 ℃，储能系统最高能量效率由1.028 55下降到1.027 74.这说明，工作井数会显著影响井筒-地层系统内的CO₂运移规律及压力/温度传递过程，因而在实际工程中，可通过增设工作井的方式来降低储能系统循环过程中注入阶段的压力/温度，进而提升储能系统的能量效率.

关键词： 工作井, 含水层压缩CO₂储能系统, 季节性循环, 数值模拟

Abstract: To clarify the influence of the number of working wells on the operational performance of seasonal aquifer compressed CO₂ energy storage systems,three three-dimensional numerical models of well groups - gas storage reservoirs with different numbers of working wells (9,5,and 3) were established.The T2WELL numerical simulation software was used to investigate the seasonal cyclic operation process of the energy storage system under different numbers of working wells.The results showed that when the number of working wells decreased from 9 to 3,the maximum pressure at the wellhead of the central well increased from 17.42 MPa to 18.23 MPa,and the maximum temperature at the wellhead of the central well rose from 59.21 ℃ to 60.18 ℃.The maximum energy efficiency of the energy storage system droped from 1.028 55 to 1.027 74.This indicates that the number of working wells significantly affects the CO₂ migration pattern and pressure/temperature transfer process within the wellbore - formation system.Therefore,in practical engineering,the number of working wells can be increased to reduce the pressure/temperature during the injection stage of the energy storage system's cyclic operation,thereby enhancing the energy efficiency of the energy storage system.

Key words: number of working wells, aquifer-based compressed CO₂ energy storage system, seasonal cycles, numerical simulation

赖杨志, 李毅, 黄乐清. 工作井数对含水层压缩CO₂储能系统季节性运行的影响[J]. 吉首大学学报（自然科学版）, 2026, 47(1): 55-66.

LAI Yangzhi, LI Yi, HUANG Leqing. Effect of the Number of Working Wells on the Seasonal Operation of the Compressed CO₂ Energy Storage System in Aquifers〖STBZ〗[J]. Journal of Jishou University(Natural Sciences Edition), 2026, 47(1): 55-66.

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工作井数对含水层压缩CO₂储能系统季节性运行的影响

Effect of the Number of Working Wells on the Seasonal Operation of the Compressed CO₂ Energy Storage System in Aquifers〖STBZ〗

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