注 CO2前置段塞 +N2顶替提高采收率机理

2012年 34卷 第3期
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Mechanism Research of Enhancement Oil Recovery by CO2SlugsPushed by N2
孙 扬,杜志敏,孙 雷,潘 毅,汤 勇
“油气藏地质及开发工程”国家重点实验室 · 西南石油大学,四川 成都 610500
The State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering,Southwest Petroleum University,Chengdu,Sichuan 610500,China
关键词:低渗油藏; CO2–EOR; 多级接触混相驱; CO2前置段塞 N2顶替;
Key words:low permeability reservoir; CO2–EOR; multicontact miscibility; pre-CO2-slug pushed by N2;