微乳液型油基钻井液冲洗液作用机理及研究进展  

Functioning Mechanism of and Research Progress in Micro Emulsion Flushing Fluid Used in Oil Base Mud Drilling

作　　者：王辉[1] 刘潇冰 耿铁 李怀科 孙德军[1] 

机构地区：[1]山东大学胶体与界面化学教育部重点实验室 [2]中海油服油田化学研究院

出　　处：《钻井液与完井液》2015年第4期96-100,112,共5页Drilling Fluid & Completion Fluid

摘　　要：微乳液是由油、水、表面活性剂自发形成的各向同性的热力学稳定体系,其能显著降低液固界面的界面张力且增溶能力强,其在固井冲洗液中已经有了广泛的应用。从分子水平上介绍了微乳液体系的相行为,研究了微乳液清除油污的机理,为其现场应用提供理论指导。Micro emulsion is a stable isotropic thermo-dynamic system spontaneously formed with oil, water and surfactants. Micro emulsion can remarkably reduce the interfacial tensions between solids and liquids, and has good solubility enhancement. Micro emulsion has found wide application in oil well cementing. This paper discusses the phase behavior of micro emulsion and studies the functioning mechanism of micro emulsion in oil dirt cleaning, providing a theoretical guideline for the field application of micro emulsion.

关 键 词：固井质量 冲洗液 微乳液 油基钻井液 

分 类 号：TE256.6[石油与天然气工程—油气井工程]