烟道气在风城稠油油藏中的溶解特性研究  

Study on dissolubility of flue gas in heavy oil in Fengcheng Oil Field

作　　者：张超[1] 李兆敏[1] 王弘宇 陈海龙 衣怀锋 薛兴昌 姚玉萍 

机构地区：[1]中国石油大学(华东)石油工程学院,山东青岛266580 [2]新疆油田工程技术研究院,新疆克拉玛依834000

出　　处：《西安石油大学学报（自然科学版）》2013年第6期90-94,11-12,共5页Journal of Xi’an Shiyou University（Natural Science Edition）

基　　金：中国石油低碳关键技术重大专项(编号:2011E2403);国家支撑计划课题(编号:2012BAC24B03)

摘　　要：通过室内实验,研究了风城脱水稠油的黏温曲线特征及模拟烟气在其中的溶解度,得出了不同烟气溶解度下稠油的体积系数、密度、黏度变化规律.根据实验数据拟合出风城脱水稠油黏度预测公式.结果表明:在实验温度范围内,烟道气在稠油中的溶解度、体积系数均较小;当烟道气溶解于稠油后,油气混合物黏度大幅度下降,降黏率随烟道气在稠油中的溶解度的增大而增加,降黏率最大可达54.14%;密度呈线性减小.The characteristics of viscosity-temperature curve of the dehydrated heavy oil in Fengcheng Oil Field and the dissolubility of simulated flue gas in the heavy oil are studied by laboratory experiments,and the variation laws of the volume factor,the density and the viscosity of the heavy oil with the dissolubility of flue gas are obtained. The viscosity prediction formula of the dehydrated heavy oil is fitted according to the experimental data. The experimental result indicates that the dissolubility of the flue gas in the heavy oil and the volume factor of flue gas are low while the density is high in the range of experiment temperature. After the flue gas is dissolved in heavy oil,the viscosity of oil / gas mixture greatly reduces,the viscosity reduction rate almost shows linear increase with the dissolubility of the flue gas,and the maximum viscosity reduction rate reaches to 54. 14%. The density of oil / gas mixture shows linear decrease with the dissolubility of the flue gas.

关 键 词：烟道气 稠油 降黏性能 溶解度 体积系数 密度 

分 类 号：TE345[石油与天然气工程—油气田开发工程]