阴、阳离子表面活性剂构筑蠕虫状胶束体系性能研究  

Study on the performance of a worm-like micelle system constructed by anionic and cationic surfactant

作　　者：陈士佳 侯岳 方月月 李彦阅 田津杰 季闻 CHEN Shijia;HOU Yue;FANG Yueyue;LI Yanyue;TIAN Jinjie;JI Wen(Engineering Technology Branch of CNOOC Energy Development Co.,Ltd.,Tianjin 300452,China;Tianjin Branch of CNOOC(China)Co.,Ltd.,Tianjin 300452,China)

机构地区：[1]中海油能源发展股份有限公司工程技术分公司,天津300452 [2]中海石油(中国)有限公司天津分公司,天津300452

出　　处：《精细石油化工进展》2021年第4期35-39,共5页Advances in Fine Petrochemicals

摘　　要：在三次采油技术中,聚合物-表面活性剂二元复合驱技术被广泛应用。蠕虫状胶束是表面活性剂分子形成的特殊形态胶束,其兼有增黏性能和界面活性,形成的黏弹性体系被称为黏弹性表面活性剂。本文使用十六烷基三甲基溴化铵(CTAB)和十二烷基硫酸钠(SDS)复配构筑蠕虫状胶束体系VES-1,在矿化度为20000 mg/L、温度为35℃时,仍然具有良好的增黏性能;该体系与普通聚丙烯酰胺(HPAM)和疏水缔合聚合物(HAWP)混合后,能够增强体系黏度。驱油实验表明:HPAM、HAWP与蠕虫状胶束体系复配后,采收率分别增加4.3%和3.8%。Polymer-surfactant flooding is widely used in tertiary oil recovery technology.Worm-like micelles are special micelles formed by surfactant molecules,which have both viscoelastic properties and interfacial activity.The viscoelastic system formed by Worm-like micelles is called viscoelastic surfactant(VES).In this paper,cetyltrimethylammonium bromide(CTAB)and sodium dodecyl sulfate(SDS)were used to construct a worm-like micelle system of VES-1.The system still had good viscosity increasing ability when the salinity was 20000 mg/L and the temperature was 35℃.Mixture with HPAM and HAWP could enhance the viscosity of the system.The oil displacement experiment results showed that the oil recovery of HPAM and HAWP with the worm-like micellar system could be increased by 4.3%and 3.8%,respectively.

关 键 词：蠕虫状胶束 黏弹性表面活性剂 疏水缔合聚合物 复配体系 

分 类 号：TE357.46[石油与天然气工程—油气田开发工程]