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针对一类油层聚驱后二元复合驱现场试验中。体系粘度损失率较大的现象,对体系中所含的聚合物、表面活性剂、水及与其相关的油田三种菌、方案浓度、阳离子等因素进行了考察。不同批次聚合物与表面活性剂对体系稳定性有一定的影响,但并不显著,体系粘度稳定性主要受油田三种菌、水质和阳离子影响。
Aiming at the field test of a kind of compound flooding after ASP flooding in a reservoir. System viscosity loss rate of the phenomenon of the system contained in the polymer, surfactant, water and oil fields related to three kinds of bacteria, concentration of the program, cations and other factors were investigated. Different batches of polymers and surfactants have some influence on the stability of the system, but not significant. The stability of the system viscosity is mainly affected by three kinds of bacteria in the oil field, water quality and cation.