摘要
研究了新型甜菜碱表面活性剂复配体系对玉门油田油水界面张力的影响情况。通过使用Texas-500型界面张力仪,利用旋转滴法测定了甜菜碱表面活性剂的水溶液与玉门油田脱水原油之间的界面张力,讨论了活性剂浓度、碱的浓度、矿化度对甜菜碱复配体系油水界面张力的影响。实验结果表明:该甜菜碱活性剂与其它助剂有很好的协同作用,选择合适的助剂与其复配可以很大程度上减少该甜菜碱活性剂的用量,降低经济成本。碱对界面张力的影响较大,当碱浓度为0.8%时,可以使该复配体系与玉门原油油水界面张力达到10-3 m N/m。
Effect of a new type of betaine surfactant compound system on oil-water interfacial tension in the yumen oilfield was studied. Through use of Texas-500 interface tensiometer, spinning drop method was applied to determine the interfacial tension between betaine surfactant aqueous solution and dehydrated crude oil from yumen oilfield, the influence of the surfactant concentration, alkali concentration, and salinity on the interfacial tension of betaine distribution system was discussed. The experimental results show that： the betaine surfactant has good synergy with other additives, compounding suitable auxiliaries and betaine surfactant can largely reduce the quantity of the betaine surfactant to reduce the economic cost;the influence of alkali on the interfacial tension is bigger, when the alkali concentration is 0.8%, the oil/water interfacial tension between the betaine surfactant compound system and Yumen crude oil reaches 10-3 mN/m.
出处
《当代化工》
CAS
2015年第5期907-910,共4页
Contemporary Chemical Industry
作者简介
黄志刚，男，硕士研究生，主要从事提高原油采收率方面研究。E-mail：zhigangjlayou@sina．com。
通讯作者：宋文玲，女，黑龙江大庆人，副教授，主要从事提高原油采收率方面研究。E-mail：wenling417@126．com。
