摘要
针对大庆油田萨南东部过渡带三元复合驱界面张力不能达到１０－３ｍＮ／ｍ这一现象，利用复配碱改善了该区三元复合驱效果，使其界面张力由１０－２～１０－１ｍＮ／ｍ降低到１０－３ｍＮ／ｍ，使萨中、萨北纯油区界面张力下降了０５～１个数量级，表活剂吸附量降低３５２％。
The interfacial tension of ASP flooding
in the east transitional zone of southern Saertu area in Daqing oil field couldn't reach 10 -3 m
N/m. Therefore, reformulated alkaline was used to improve the effect of ASP flooding, and the
interfacial tension has decreased from 10 -2 ～10 -1 m N/m to 10 -3 m N/m. Finally, the
interfacial tension of central Saertu and northern Saertu net oil zones decreased 0.5～1 order of
magnitude, the adsorbance of surfactant decreased 35.2% and oil displacement efficiency of
natural core increased 3～6 percentage points.
出处
《大庆石油地质与开发》
CAS
CSCD
北大核心
1999年第4期21-24,共4页
Petroleum Geology & Oilfield Development in Daqing
关键词
复配碱
三元复合驱
化学驱油
大庆油田
油田
Reformulated alkaline, ASP flooding,
Formulation, Chemical flooding, Daqing oil field
