摘要
分析了东河油田注水井及牙哈油田勘探目的层的特征,研制出有机酸-土酸缓速酸体系,并应用于这两个油田的砂岩储层酸化中,岩心酸化流动实验和酸化前后岩心结构及孔喉的变化表明。有机酸-土酸缓速酸体系能够有效地提高岩心的渗透率和解除泥浆对岩心的损害,其有效改造距离长达20cm。现场4口井的施工结果证明该酸液体系是有效的。
The formation characteristics Donghe and Yaha oil field are introduced. Retarded acid system developed consists of mud acid and acetic acid. Core flowing tests indicate that retarded acid system can improve core permeability and reduce reservoir damage effectively. Applications in four wells are presented.
出处
《钻井液与完井液》
CAS
1996年第5期13-18,共6页
Drilling Fluid & Completion Fluid
