화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.61, 348-355, May, 2018
DOI10.1016/j.jiec.2017.12.033  Export Citation
Emulsification and improved oil recovery with viscosity reducer during steam injection process for heavy oil
Zhengbin Wu†, Liu Huiqing, Xue Wang, and Zequan Zhang
  • State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, PR China
E-mail:
An anionic.nonionic surfactant was proposed as viscosity reducer (VR) for study. Firstly, bulk emulsion behavior was investigated to optimize the emulsification process. Secondly, core flooding tests were carried out to evaluate the synergistic effect of VR and steam for improved heavy oil recovery, as well as emulsion properties along the distance. Thirdly, a 2D microvisual study was performed to illustrate emulsion migration and plug property in porous media. Finally, VR assisted steam stimulation was conducted for field application, and gained satisfactory result both in oil.steam ratio and oil recovery, providing an alternative for enhancing oil recovery in similar steamflooded reservoirs.
Keywords:Heavy oil;Steam injection;Viscosity reducer;O/W emulsions;EOR
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