A monitoring system for CO2-EOR and storage based on reactive transport simulation of CO2 migration in groundwater

被引:3
作者
Li, L. [1 ,2 ]
Wu, Y. [1 ]
Lin, Q. [2 ,3 ]
Wen, Q. [4 ]
Chong, S. [5 ]
机构
[1] China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
[2] North China Elect Power Univ, Suzhou Res Inst, Suzhou 215000, Jiangsu, Peoples R China
[3] Shanghai Jiao Tong Univ, Res Inst Carbon Neutral, Shanghai 200240, Peoples R China
[4] Peking Univ, Coll Engn, Innovat Ctr Engn Sci & Adv Technol, Beijing 100871, Peoples R China
[5] China Univ Min & Technol Beijing, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
关键词
Reactive transport; Monitoring system; Geological storage; CO2; leakage; CO2-water-rock reaction; POTENTIAL IMPACTS; POTABLE AQUIFERS; CCS PROJECT; FIELD; LEAKAGE; INJECTION; INTRUSION; CHEMISTRY;
D O I
10.1007/s13762-022-04508-x
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In CO2-EOR (Enhanced Oil Recovery) and storage projects, there is a high risk of CO2 leakage into groundwater, which will not only affect storage effectiveness, but also cause a variety of environmental consequences. A monitoring system of CO2 leakage is essential to the safety of CO2-EOR and storage projects. Previous monitoring systems have been proposed through theoretical analysis, field test and indoor experiment. In this study, a modeling approach based on simulation of CO2 migration coupled with water-rock interactions in groundwater is proposed to support monitoring system development for CO2-EOR and storage projects. The simulation is undertaken using TOUGHREACT and applied to a case study in the Ordos Basin in China. The case study results indicate that the developed monitoring system has the advantage of offering a precise, timely and comprehensive monitoring scheme based on the dynamics of CO2 leakage and its effects on groundwater composition.
引用
收藏
页码:8359 / 8372
页数:14
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