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Residual Saturation Effects on CO2 Migration and Caprock Sealing: A Study of Permeability and Capillary Pressure Models

文献类型：期刊论文

作者Chu, Bingfei2,3; Feng, Guanhong1; Zhang, Yan2,3; Qi, Shengwen2,3; Li, Pushuang4; Huang, Tianming2,3
刊名WATER
出版日期2023-09-01
卷号15期号:18页码:16
关键词CO2 geological storage relative permeability model capillary pressure model multiphase flow AHP
DOI10.3390/w15183316
英文摘要In CO2 geological storage, multiphase flow plays a vital role in the movement and distribution of CO2. However, due to the limitations of fluid buoyancy and capillary forces, CO2 encounters challenges in penetrating the caprock, and the potential for leakage remains a concern due to variations in injection conditions. The migration and distribution of CO2 in the process of CO2 geological storage in saline formations are determined by relative permeability and capillary pressure, which are key factors. Consequently, this study focuses on two essential models: relative permeability and capillary pressure models. A two-dimensional isothermal reservoir-caprock model was constructed, utilizing data from the Shenhua CCS demonstration project. The analysis indicates that the core parameters in the model are residual gas saturation and residual water saturation. Specifically, residual gas saturation governs the diffusion distance of CO(2 )within the reservoir-caprock system, while its combined effect with residual water saturation affects the permeation rate of CO2. Through the application of the Analytic Hierarchy Process (AHP) to analyze the impact of different models on caprock integrity, it was determined that when selecting caprock models and optimizing parameters, precedence should be given to models with lower residual saturation and caprocks that offer sufficient capillary pressure for optimal sealing effects. These research findings can serve as references for practical CO(2 )storage projects, providing guidance on activities such as adjusting water injection strategies and controlling gas injection pressures to optimize geological storage efficiency.
WOS关键词DEEP SALINE AQUIFERS ; ORDOS BASIN ; STORAGE ; INJECTION ; SEQUESTRATION ; SOLUBILITY ; CAPACITY ; RANKING ; MEDIA ; WATER
资助项目National Natural Science Foundation of China[42141009] ; IGGCAS Key programme[IGGCAS-202201] ; IGGCAS Key programme[IGGCAS-202204] ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences[2019069]
WOS研究方向Environmental Sciences & Ecology ; Water Resources
语种英语
WOS记录号WOS:001077776000001
出版者MDPI
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; IGGCAS Key programme ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences ; Youth Innovation Promotion Association Foundation of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/110806]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Zhang, Yan
作者单位1.Jilin Univ, Key Lab Groundwater Resources & Environm, Minist Educ, Changchun 130021, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
4.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China
推荐引用方式
GB/T 7714		 Chu, Bingfei,Feng, Guanhong,Zhang, Yan,et al. Residual Saturation Effects on CO2 Migration and Caprock Sealing: A Study of Permeability and Capillary Pressure Models[J]. WATER,2023,15(18):16.
APA Chu, Bingfei,Feng, Guanhong,Zhang, Yan,Qi, Shengwen,Li, Pushuang,&Huang, Tianming.(2023).Residual Saturation Effects on CO2 Migration and Caprock Sealing: A Study of Permeability and Capillary Pressure Models.WATER,15(18),16.
MLA Chu, Bingfei,et al."Residual Saturation Effects on CO2 Migration and Caprock Sealing: A Study of Permeability and Capillary Pressure Models".WATER 15.18(2023):16.

入库方式： OAI收割

来源：地质与地球物理研究所

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