稠油热采添加剂性能的研究  

Research on Properties of an Additive for High Viscosity Oil Thermal Recovery

作　　者：李锦超[1,2] 郑玉飞[1] 葛际江[1] 张贵才[1] 

机构地区：[1]中国石油大学(华东)石油工程学院,青岛266555 [2]中海油能源发展采油技术服务分公司,天津300452

出　　处：《精细石油化工进展》2012年第2期12-15,共4页Advances in Fine Petrochemicals

摘　　要：对稠油热采用复合表面活性剂WT进行了性能评价。实验结果表明,随着WT质量分数增加,其与孤岛三区原油间动态界面张力呈下降趋势,在较宽质量分数范围内维持在10-1mN/m数量级;90℃下WT在石英砂上的饱和静态吸附量为2.333 mg/g;在150℃下,WT具有良好耐温性能,200℃下,半衰期在15 d以上;在150,170,200℃条件下,WT商品质量分数为1.6%时,热水(蒸汽)/WT驱采收率比同温度下的热水(蒸汽)驱提高6.5%～12.0%。The properties of composite surfactant WT for high -viscosity oil thermal recovery were evalua- ted. According to the results, as the mass fraction of surfactant WT increases, the dynamic interracial tension between this surfactant and the crude oil of No. 3 Production Zone of Gudong Oilfield decreases gradually and remain at the magnitude of 10-1 mN/m in a relatively large mass fraction range. The saturated static adsorption of this surfactant on quartz sand is 2.333 mg/g at 90 °C, it has good heat resistant performance at 150 °C with the half - life period more than 15 d at 200 °C, and when the mass fraction of commodity grade surfactant WT is 1.6%, the recovery efficiency is 6.5% to 12.0% higher when hot water （steam）/WT flooding system is adopt- ed than when hot water （steam） flooding system is adopted at 150 °C, 170°C and 200 °C respectively.

关 键 词：表面活性剂 稠油 热采 耐温 驱油试验 

分 类 号：TE345[石油与天然气工程—油气田开发工程]