Mechanism of viscosity reduction in viscous crude oil with polyoxyethylene surfactant compound system

被引：11

作者：

Liu, Meng ^{[1
]}

Wu, Yuguo ^{[1
]}

Zhang, Li ^{[1
]}

Rong, Feng ^{[1
]}

Yang, Zhijian ^{[2
]}

机构：

[1] Liaoning Shihua Univ, Fushun 113001, Peoples R China

[2] PetroChina Guangdong Mkt Co, Guangzhou, Guangdong, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2019年 / 37卷 / 04期

基金：

中国国家自然科学基金;

关键词：

APE-9; ethanolamine; interfacial tension; mechanism; viscosity reduction;

D O I：

10.1080/10916466.2018.1550498

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Surfactant can be used to form stable oil-in-water emulsion and reduce the viscosity of viscous crude oil. The mechanism of viscosity reduction was studied for nonionic surfactant alkylphenol polyoxyethylene (9) ether (APE-9) compound systems. The results showed that the viscosity reduction of viscous crude oil by water-insoluble alkylphenol polyoxyethylene (4) ether (APE-4) was higher than sodium dodecyl sulfate (SDS, anionic surfactant) and dodecyl dimethyl betaine (BS-12, amphoteric surfactant) in the binary compound system. The viscosity further decreased by ethanolamine. The interfacial tension (IFT) study showed that when the reduction in IFT was the highest, the viscosity reduction was the highest.

引用

页码：409 / 416

页数：8

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