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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2017-04
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Study on CO_2 Microleakage Mechanism After Reservoir Storage

NIE Xiangrong;HUANG Chunxia;JIANG Shaojing;YU Huagui;WANG Weibo;TANG Ruijia;College of Petroleum Engineering,Xi'an Shiyou University;Research Institute of Shannxi Yanchang Petroleum(Group) Co.,Ltd.;  
The mechanism study of CO_2 leakage after reservoir storage is critical to the success of CCUS project.Through theory analysis,a new concept named CO_2 microleakage after reservoir storage is presented.Three microleakage ways,such as diffusion leakage,microvesicle leakage and seepage leakage were defined and the mechanics control equations were also presented.
【Key Words】: reservoir CO2 storage leakage diffusion microvesicle seepage
【Fund】: 国家科技支撑计划项目“陕北煤化工CO2捕集、埋存与提高采收率技术示范”(2012BAC26B00);; 陕西省科技统筹创新工程计划项目“陕北致密砂岩油藏CO2驱提高采收率关键技术研究及先导试验”(2014KTZB03-02)
【CateGory Index】: X701
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