三元复合体系静态吸附规律研究

Study on static adsorption of ASP system

本文以大庆油田为研究对象,通过物理模拟实验,对三元复合体系静吸附规律进行了全面的研究,同时对聚合物以及碱对表活剂吸附规律进行了研究,并分析了碱的损耗对三元体系的影响。研究表明,三元体系的吸附量,聚合物的吸附量最小,碱居中,表活剂吸附量最大。表面活性剂的吸附量随着聚合物浓度的增加呈现先迅速降低而后平缓的规律。碱可以有效的降低表面活性剂和聚合物的吸附量,并且碱浓度越高其平衡吸附浓度越低。碱在三元体系中消耗量较大,应当及时补充。

In this paper, we take Daqing oilfield as the research object, through the physical simulation exper-iment, a comprehensive study on the static adsorption of the three element composite system was carried out. At the same time, effect of polymer and alkali on surfactant adsorption are studied. and we analyzes the influence of alkali loss of the asp system. Studies have indicated that the amount of adsorption of the asp system, the smallest amount of polymer adsorption, alkali center, the maximum adsorption amount of surfactant.. With the increase of the concentration of the polymer, the adsorption capacity of the surfactant decreased and then decreased slow. Al-kali can effectively reduce the adsorption amount of surfactant and polymer, and the higher the concentration of the alkali,the lowwer adsorption equilibrium concentration is. Alkali consumption in the asp system is larger, it should be added in a timely manner.