| 表面活性剂降低CO2驱最小混相压力研究现状 |
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| 引用本文： | 旷年杰,杨胜来,郭振阳,王敉邦,李佳峻,孙兆乐.表面活性剂降低CO2驱最小混相压力研究现状[J].石油化工应用,2020(1):1-3,27. |
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| 作者姓名： | 旷年杰 杨胜来 郭振阳 王敉邦 李佳峻 孙兆乐 |
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| 作者单位： | ;1.中国石油大学(北京)石油工程教育部重点实验室 |
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| 摘 要： | CO2混相驱油技术因其驱油效率高的优势而迅速发展。国内多数油藏原油与CO2混相压力过高,无法实现混相驱替。鉴于此,降低CO2与原油最小混相压力是突破方向。目前主要是寻找合适的表面活性剂等添加剂来降低CO2气相与油相的界面张力,进而降低二者间的最小混相压力。其中,研发新型的CO2-原油两亲性表面活性剂极为关键。
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| 关 键 词： | CO2混相驱 降低最小混相压力 表面活性剂 机理 |
Surfactant reduces CO_2 flooding minimum miscibility pressure |
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| KUANG Nianjie,YANG Shenglai,GUO Zhenyang,WANG Mibang,LI Jiajun,SUN Zhaole.Surfactant reduces CO_2 flooding minimum miscibility pressure[J].Petrochemical Industry Application,2020(1):1-3,27. |
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| Authors: | KUANG Nianjie YANG Shenglai GUO Zhenyang WANG Mibang LI Jiajun SUN Zhaole |
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| Affiliation: | (Key Laboratory of Petroleum Engineering,Ministry of Education,China University of Petroleum(Beijing),Beijing 102249,China) |
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| Abstract: | The CO2 miscible flooding technology has developed rapidly due to its high efficiency in oil displacement. Most of the domestic crude oil and CO2 miscible pressure is too high to achieve miscible displacement. In view of this, reducing the minimum miscibility pressure between CO2 and crude oil is a breakthrough. At present, the main research is to find suitable surfactants and other additives to reduce the interfacial tension between the CO2 gas phase and the oil phase,thereby reducing the minimum miscibility pressure.Among them,the development of new CO2-crude oil amphiphilic surfactants is extremely critical. |
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| Keywords: | CO2 miscible flooding reducing minimum miscible pressure surfactant mechanism |
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