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针对辽河油田特(超)稠油破乳污水含油量高的难题,以冷家、曙光采油厂以及特油公司的特(超)稠油为对象,研究了破乳剂结构与性能之间的规律。通过探讨破乳剂在破乳过程中的清水机理,运用表面活性剂结构与性能关系理论,结合原油的组成特点,进行了破乳剂的分子结构设计与合成。经破乳实验表明,这类清水型特(超)稠油破乳剂具有脱水率高和清水能力强的特点。
Aiming at the problem of high oil content in demulsified sewage of special (super) heavy oil in Liaohe Oilfield, the law between the structure and performance of demulsifier was studied for special (super) heavy oil in Lengjia, Shuguang Oil Recovery Plant and special oil company. . By discussing the mechanism of water demulsifier in the demulsification process, the molecular structure design and synthesis of the demulsifier were carried out by using the theory of the relationship between structure and properties of surfactant and the composition of crude oil. The demulsification experiments show that this type of water-based super (ultra) heavy oil demulsifier with high dehydration rate and ability to clear water features.