How much would silica nanoparticles enhance the performance of low-salinity water flooding?

Abstract Nanofluids and low-salinity water (LSW) flooding are two novel techniques for enhanced oil recovery. Despite some efforts on investigating benefits of each method, the pros and cons of their combined application need to be evaluated. This work sheds light on performance of LSW augmented wit...

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Autores principales:	Amir Hossein Saeedi Dehaghani, Reza Daneshfar
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2019
Materias:	Low-salinity water Silica nanoparticles Low-salinity nanofluid Micromodel Enhanced oil recovery Wettability alteration Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/b27299acb07c4931a07f4d5fd6040dba
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spelling	oai:doaj.org-article:b27299acb07c4931a07f4d5fd6040dba2021-12-02T04:08:51ZHow much would silica nanoparticles enhance the performance of low-salinity water flooding?10.1007/s12182-019-0304-z1672-51071995-8226https://doaj.org/article/b27299acb07c4931a07f4d5fd6040dba2019-03-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-019-0304-zhttps://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract Nanofluids and low-salinity water (LSW) flooding are two novel techniques for enhanced oil recovery. Despite some efforts on investigating benefits of each method, the pros and cons of their combined application need to be evaluated. This work sheds light on performance of LSW augmented with nanoparticles through examining wettability alteration and the amount of incremental oil recovery during the displacement process. To this end, nanofluids were prepared by dispersing silica nanoparticles (0.1 wt%, 0.25 wt%, 0.5 wt% and 0.75 wt%) in 2, 10, 20 and 100 times diluted samples of Persian Gulf seawater. Contact angle measurements revealed a crucial role of temperature, where no wettability alteration occurred up to 80 °C. Also, an optimum wettability state (with contact angle 22°) was detected with a 20 times diluted sample of seawater augmented with 0.25 wt% silica nanoparticles. Also, extreme dilution (herein 100 times) will be of no significance. Throughout micromodel flooding, it was found that in an oil-wet condition, a combination of silica nanoparticles dispersed in 20 times diluted brine had the highest displacement efficiency compared to silica nanofluids prepared with deionized water. Finally, by comparing oil recoveries in both water- and oil-wet micromodels, it was concluded that nanoparticles could enhance applicability of LSW via strengthening wettability alteration toward a favorable state and improving the sweep efficiency.Amir Hossein Saeedi DehaghaniReza DaneshfarKeAi Communications Co., Ltd.articleLow-salinity waterSilica nanoparticlesLow-salinity nanofluidMicromodelEnhanced oil recoveryWettability alterationScienceQPetrologyQE420-499ENPetroleum Science, Vol 16, Iss 3, Pp 591-605 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Low-salinity water Silica nanoparticles Low-salinity nanofluid Micromodel Enhanced oil recovery Wettability alteration Science Q Petrology QE420-499
spellingShingle	Low-salinity water Silica nanoparticles Low-salinity nanofluid Micromodel Enhanced oil recovery Wettability alteration Science Q Petrology QE420-499 Amir Hossein Saeedi Dehaghani Reza Daneshfar How much would silica nanoparticles enhance the performance of low-salinity water flooding?
description	Abstract Nanofluids and low-salinity water (LSW) flooding are two novel techniques for enhanced oil recovery. Despite some efforts on investigating benefits of each method, the pros and cons of their combined application need to be evaluated. This work sheds light on performance of LSW augmented with nanoparticles through examining wettability alteration and the amount of incremental oil recovery during the displacement process. To this end, nanofluids were prepared by dispersing silica nanoparticles (0.1 wt%, 0.25 wt%, 0.5 wt% and 0.75 wt%) in 2, 10, 20 and 100 times diluted samples of Persian Gulf seawater. Contact angle measurements revealed a crucial role of temperature, where no wettability alteration occurred up to 80 °C. Also, an optimum wettability state (with contact angle 22°) was detected with a 20 times diluted sample of seawater augmented with 0.25 wt% silica nanoparticles. Also, extreme dilution (herein 100 times) will be of no significance. Throughout micromodel flooding, it was found that in an oil-wet condition, a combination of silica nanoparticles dispersed in 20 times diluted brine had the highest displacement efficiency compared to silica nanofluids prepared with deionized water. Finally, by comparing oil recoveries in both water- and oil-wet micromodels, it was concluded that nanoparticles could enhance applicability of LSW via strengthening wettability alteration toward a favorable state and improving the sweep efficiency.
format	article
author	Amir Hossein Saeedi Dehaghani Reza Daneshfar
author_facet	Amir Hossein Saeedi Dehaghani Reza Daneshfar
author_sort	Amir Hossein Saeedi Dehaghani
title	How much would silica nanoparticles enhance the performance of low-salinity water flooding?
title_short	How much would silica nanoparticles enhance the performance of low-salinity water flooding?
title_full	How much would silica nanoparticles enhance the performance of low-salinity water flooding?
title_fullStr	How much would silica nanoparticles enhance the performance of low-salinity water flooding?
title_full_unstemmed	How much would silica nanoparticles enhance the performance of low-salinity water flooding?
title_sort	how much would silica nanoparticles enhance the performance of low-salinity water flooding?
publisher	KeAi Communications Co., Ltd.
publishDate	2019
url	https://doaj.org/article/b27299acb07c4931a07f4d5fd6040dba
work_keys_str_mv	AT amirhosseinsaeedidehaghani howmuchwouldsilicananoparticlesenhancetheperformanceoflowsalinitywaterflooding AT rezadaneshfar howmuchwouldsilicananoparticlesenhancetheperformanceoflowsalinitywaterflooding
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How much would silica nanoparticles enhance the performance of low-salinity water flooding?

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