Numerical study of the mechanisms of enhanced oil recovery using nanosuspensions : научное издание

Minakov A.V.; Pryazhnikov M.I.; Zhigarev V.A.; Rudyak V.Y.; Filimonov S.A.

Дополнительные ссылки: eLibrary

База данных: Каталог библиотеки СФУ

Библиографическое описание: Numerical study of the mechanisms of enhanced oil recovery using nanosuspensions : научное издание / A. V. Minakov [et al.]. - Текст : непосредственный // Theoretical and Computational Fluid Dynamics. - 2021. - № . - ISSN 0935-4964. - ISSN 1432-2250, DOI 10.1007/s00162-021-00569-9.

Аннотация: The results of the numerical study of oil recovery enhancement using nanosuspension are presented. The research was carried out using the volume of fluid method (VOF) for a 2D microporous core model. Experimentally measured values of interfacial tension (IFT) and the contact angle (CA) were used for numerical modeling. An aqueous suspension with silicon oxide nanoparticles (5 nm) is used. It was shown that when 1 wt% of nanoparticles are added to the displacing liquid, its density increases by about 1%, the viscosity increases by 10%, the IFT decreases by 10%, and the contact angle increases from 70 to 145<sup>∘</sup>. The results of numerical study showed that the injection of nanoparticles has a significant effect on the displacement front movement in the microporous model. It has been shown that the nanosuspension can increase the oil recovery factor (ORF) almost twice as compared to water. To clarify the mechanisms of increasing the oil recovery during the reservoir flooding with nanofluid, a systematic study of factors affecting the displacement process efficiency was carried out. Viscosity, interfacial tension and the wetting angle of the displacing fluid were considered as such factors. As a result of systematic research, it has been shown that the main factor affecting the increase in the oil recovery flooding of nanosuspensions is a variation of wettability.

Год издания: 2021

Авторы: Minakov A.V. , Pryazhnikov M.I. , Zhigarev V.A. , Rudyak V.Y. , Filimonov S.A.

Издательство: Springer-Verlag GmbH

Источник: Theoretical and Computational Fluid Dynamics

Держатель оригинала документа: Kutateladze Institute of Thermophysics,SB RAS, Siberian Federal University

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