An experimental study on the mechanisms of enhancing oil recovery by nanoparticles-assisted surfactant flood

Sina Mobaraki; Mahdi Zakavi; Omid Mahmoodi; Milad Omidvar Sorkhabadi; Seyyed Shahram Khalilinezhad; Reza Shiri Torkmani

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자료유형: 학술저널

저자정보: Sina Mobaraki (Islamic Azad University) Mahdi Zakavi (Islamic Azad University) Omid Mahmoodi (Islamic Azad University) Milad Omidvar Sorkhabadi (Islamic Azad University) Seyyed Shahram Khalilinezhad (Eqbal Lahoori Institute of Higher Education) Reza Shiri Torkmani (Islamic Azad University)

저널정보: 한국자원공학회 Geosystem Engineering Geosystem Engineering Vol.23 No.6

발행연도: 2020.1

수록면: 315 - 331 (17page)

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The central concern of this study is to examine the synergic effects of an anionic surfactant and hydrophilic silica nanoparticles on the improvement of surfactant properties. The assessment of the effect of silica nanoparticles on the emulsification ability of the surfactant solution was performed by the use of both electrical conductivity measurements and phase behavior tests. Accordingly, an optimal chemical formulation for the utilized crude oil was suggested. Optical absorption technique was also employed to evaluate the stability of the optimal solution. The oil recovery experiments were carried out in a transparent glass micromodel saturated with crude oil to monitor some pore-scale displacement events during the simultaneous flow of the optimal solution and the crude oil through porous media. Phase behavior tests indicated that the silica nanoparticles are effective in terms of Interfacial tension (IFT) reduction since they can achieve ultra-low IFT level. The results of conductivity experiments proved the ability of silica nanoparticles to reduce the Critical Micelle Concentration (CMC) of the surfactant. The stability tests proved that the optimal solution is stable for a reasonable time. The multiphase flow experiments revealed that oil recovery increased by about 5% during nanoparticles-assisted surfactant flooding compared with surfactant flood.

#Surfactant flood #capillarity #interfacial tension #nanoparticles

참고문헌 (67)

참고문헌 신청

Ahmadi, M. A. / 2015 / Experimental investigation of a natural surfactant adsorption on shalesandstone reservoir rocks : Static and dynamic conditions / Fuel 159:15~26

Ahmadi, M. A. / 2016 / Performance Improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles / Petroleum Science 13:725~736

Ahmadi, M. -A. / 2016 / Evaluation of the ability of the hydrophobic nanoparticles of SiO2 in the EOR process through carbonate rock samples / Petroleum Science and Technology 34:1048~1054

AlamiNia, H. / 2017 / Application of hydrophilic silica nanoparticles in chemical enhanced oil recovery processes / Energy Sources, Part A: Recovery, Utilization, and Environmental Effects

Al-Blehed, M. S. / 1991 / An engineering-economic evaluation of enhanced recovery of Saudi crudes by chemical flooding / Engineering Costs and Production Economics 21:105~109

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