Journal of Petrochemical Universities

Journal of Petrochemical Universities ›› 2014, Vol. 27 ›› Issue (4): 66-71.DOI: 10.3969/j.issn.1006-396X.2014.04.015

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Formation and Stability of Heavy Oil Emulsion of Thermal Recovery

  

  1. (1. Heavy Oil Tech. Institue, Production Optimzation R&D Institue, COSL, Tianjin 300450, China;  2.Enhanced Oil Recovery Research Institute, China University of Petroleum, Beijing 102249，China)
  • Received:2014-01-22 Revised:2014-02-23 Published:2014-08-25 Online:2014-11-10

多元热流体热采稠油乳状液的形成及稳定性研究

王少华1,  孙永涛1,  王梦莹2,  刘海涛1金邵平2,  潘定成2,  林梅钦2   

  1. ( 1. 中海油服油田生产研究院稠油技术所, 天津3 0 0 4 5 0; 2. 中国石油大学提高采收率研究院, 北京1 0 2 2 4 9)
  • 通讯作者: 林梅钦( 1 9 6 5 - ) , 男, 硕士, 副教授, 从事提高石油采收率技术研究; E - m a i l : l i n m q@c u p. e d u. c n。
  • 作者简介:王少华( 1 9 8 7 - ) , 男, 工程师, 从事海上稠油热采技术研究; E - m a i l : w a n g s h h 1 6@c o s l . c o m. c n。
  • 基金资助:
    国家重大科技专项资助项目( 2 0 1 1 Z X 0 5 0 5 7 - 0 0 5 - 0 0 1) 。

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Abstract: Formation of the heavy oil emulsion of thermal recovery was simulated by the PVT equipment. Viscosities and microscopic properties of crude oil emulsion made by Bohai dehydrated crude oil and simulating water were investigated with a rheometer RS600 and Olympus microscope BX41. Meanwhile, the effects of simulated conditions on the stability of emulsion were also studied in this thesis. The results indicate that viscosities of crude oil emulsions and densities of water particles increase with higher temperature, higher stirring velocity and more antiswelling agents. However, smaller water particle size and lower viscosity of crude oil emulsions are obtained mainly because of the effect of multiple thermal fluid. The results show that the stability of W/O crude oil emulsion are increased with the increasing of temperature and stirring velocity, effecting of multiple thermal fluidand natural emulsifier in crude oil. 

Key words: Heavy oil,    , Multiple thermal fluid,    ,  Emulsion,    , Thermal recovery

摘要： 利用P VT装置模拟高温高压下热采稠油乳状液的形成过程, 并通过R S 6 0 0流变仪及光学显微镜, 测 定了渤海脱水原油与模拟水在不同条件下所形成的原油乳状液的黏度及微观特性, 考察了影响热采稠油乳状液稳 定性的因素。结果表明, 随实验温度、 搅拌速率以及防膨剂浓度的增加, 稠油与模拟水乳化所形成的原油乳状液黏 度增加, 水滴数量增加、 粒径减小, 所形成的原油乳状液稳定性增强, 而多元热流体的加入使得原油乳状液黏度降 低, 但水相颗粒以更小的粒径分布得更均匀。这主要与温度增加及多元热流体的作用有关, 稠油黏度降低, 再加上 剪切速率增加及稠油中的天然乳化剂共同作用, 使得稠油容易与模拟水乳化, 形成稳定的 W/ O型乳状液。

关键词: 稠油,    ,  , 多元热流体,    ,  乳状液,    ,  热采

Cite this article

Wang Shaohua,Sun Yongtao,Wang Mengying,et al. Formation and Stability of Heavy Oil Emulsion of Thermal Recovery[J]. Journal of Petrochemical Universities, 2014, 27(4): 66-71.

王少华, 孙永涛, 王梦莹. 多元热流体热采稠油乳状液的形成及稳定性研究[J]. 石油化工高等学校学报, 2014, 27(4): 66-71.

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