表面活性剂降压增注提高采收率机理研究  

Mechanism study on decompression and augmented injection by surfactant for improving oil recovery

作　　者：崔晓东[1] 郭东红[1] 孙建峰[1] 

机构地区：[1]中国石油勘探开发研究院油田化学研究所,北京100083

出　　处：《精细与专用化学品》2017年第7期4-6,共3页Fine and Specialty Chemicals

摘　　要：针对低渗透油田注水压力高的问题,开展了表面活性剂降压增注机理研究。通过表面活性剂的油水界面张力测试及岩心驱替实验,考察了表面活性剂的油水界面张力与降压效果的关系。实验结果表明,表面活性剂的油水界面张力越低,降压和提高采收率效果越好。The mechanism study on decompression and augmented injection of surfactant was studied for high water injection pressure of low permeability reservoir.The relationship between interfacial tension and the effect of decompression was inspected by interfacial tension measurement and core displacement experiment.The experiment results showed that the lower the interfacial tensions of the surfactant,the more obvious the effect of decompression and enhanced oil recovery.

关 键 词：表面活性剂 界面张力 降压增注 机理 

分 类 号：TE357[石油与天然气工程—油气田开发工程]