Research status and analysis of stabilization mechanisms and demulsification methods of heavy oil emulsions,Energy Science & Engineering

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Research status and analysis of stabilization mechanisms and demulsification methods of heavy oil emulsions
Energy Science & Engineering ( IF 3.5 ) Pub Date : 2020-10-30 , DOI: 10.1002/ese3.814
Zhao Fajun ₁ , Tian Zhexi ₂ , Yu Zhongqi ₃ , Shang Hongzhi _{1,

3} , Wu Yanping ₁ , Zhang Yufei ₁

Affiliation

One major challenge often encountered during the production and transportation of crude oil in petroleum industries is the formation of extremely stable emulsions. This problem is particularly present during the production of heavy oils where steam is used to reduce the viscosity of heavy oil or where submersible pumps are used to artificially lift the produced fluids. This review elaborates on the mechanism of the formation and stability of heavy oil emulsions, discusses the effect of natural surfactants (resins, asphaltenes, solid particles, etc) on the stability of heavy oil emulsions, and summarizes the prominent and sustainable technological and methodological developments in the demulsification of heavy oil emulsions from an economical and environmental perspective. Ionic liquids have been reported as efficient and environmental demulsifiers, and the latest research results on this topic are discussed. Microwave and ultrasonic demulsification methods have been reported to be effective in treating heavy oil emulsions and are also recommended as substitutes in the further development of demulsification technology for treating heavy oil emulsions.

中文翻译：

重油乳液稳定机理及破乳方法研究现状与分析

在石油工业中，原油的生产和运输过程中经常遇到的主要挑战之一是形成极其稳定的乳液。在使用蒸汽降低重油粘度或使用潜水泵人为地提升产出液的重油生产过程中，尤其会出现此问题。这篇综述阐述了重油乳液的形成和稳定性的机理，讨论了天然表面活性剂（树脂，沥青质，固体颗粒等）对重油乳液稳定性的影响，并总结了突出而可持续的技术和方法学发展从经济和环境的角度来看重油乳液的破乳。据报道，离子液体是高效和环保的破乳剂，并讨论了有关该主题的最新研究成果。微波和超声破乳方法据报道可有效地处理重油乳剂，并且在进一步发展用于处理重油乳剂的破乳技术中也被推荐作为替代品。

更新日期：2020-12-10

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