Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration

Abstract Surfactant flooding is an important technique used to improve oil recovery from mature oil reservoirs due to minimizing the interfacial tension (IFT) between oil and water and/or altering the rock wettability toward water-wet using various surfactant agents including cationic, anionic, non-...

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Autores principales:	Hamed Foroughi Asl, Ghasem Zargar, Abbas Khaksar Manshad, Mohammad Ali Takassi, Jagar A. Ali, Alireza Keshavarz
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2019
Materias:	Chemical EOR Amino-acid surfactant IFT Wettability Coreflooding Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/86571aad550a443da499955a25266741
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spelling	oai:doaj.org-article:86571aad550a443da499955a252667412021-12-02T10:43:29ZExperimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration10.1007/s12182-019-0354-21672-51071995-8226https://doaj.org/article/86571aad550a443da499955a252667412019-07-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-019-0354-2https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract Surfactant flooding is an important technique used to improve oil recovery from mature oil reservoirs due to minimizing the interfacial tension (IFT) between oil and water and/or altering the rock wettability toward water-wet using various surfactant agents including cationic, anionic, non-ionic, and amphoteric varieties. In this study, two amino-acid based surfactants, named lauroyl arginine (l-Arg) and lauroyl cysteine (l-Cys), were synthesized and used to reduce the IFT of oil–water systems and alter the wettability of carbonate rocks, thus improving oil recovery from oil-wet carbonate reservoirs. The synthesized surfactants were characterized using Fourier transform infrared spectroscopy and nuclear magnetic resonance analyses, and the critical micelle concentration (CMC) of surfactant solutions was determined using conductivity, pH, and turbidity techniques. Experimental results showed that the CMCs of l-Arg and l-Cys solutions were 2000 and 4500 ppm, respectively. It was found that using l-Arg and l-Cys solutions at their CMCs, the IFT and contact angle were reduced from 34.5 to 18.0 and 15.4 mN/m, and from 144° to 78° and 75°, respectively. Thus, the l-Arg and l-Cys solutions enabled approximately 11.9% and 8.9% additional recovery of OOIP (original oil in place). It was identified that both amino-acid surfactants can be used to improve oil recovery due to their desirable effects on the EOR mechanisms at their CMC ranges.Hamed Foroughi AslGhasem ZargarAbbas Khaksar ManshadMohammad Ali TakassiJagar A. AliAlireza KeshavarzKeAi Communications Co., Ltd.articleChemical EORAmino-acid surfactantIFTWettabilityCorefloodingScienceQPetrologyQE420-499ENPetroleum Science, Vol 17, Iss 1, Pp 105-117 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical EOR Amino-acid surfactant IFT Wettability Coreflooding Science Q Petrology QE420-499
spellingShingle	Chemical EOR Amino-acid surfactant IFT Wettability Coreflooding Science Q Petrology QE420-499 Hamed Foroughi Asl Ghasem Zargar Abbas Khaksar Manshad Mohammad Ali Takassi Jagar A. Ali Alireza Keshavarz Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
description	Abstract Surfactant flooding is an important technique used to improve oil recovery from mature oil reservoirs due to minimizing the interfacial tension (IFT) between oil and water and/or altering the rock wettability toward water-wet using various surfactant agents including cationic, anionic, non-ionic, and amphoteric varieties. In this study, two amino-acid based surfactants, named lauroyl arginine (l-Arg) and lauroyl cysteine (l-Cys), were synthesized and used to reduce the IFT of oil–water systems and alter the wettability of carbonate rocks, thus improving oil recovery from oil-wet carbonate reservoirs. The synthesized surfactants were characterized using Fourier transform infrared spectroscopy and nuclear magnetic resonance analyses, and the critical micelle concentration (CMC) of surfactant solutions was determined using conductivity, pH, and turbidity techniques. Experimental results showed that the CMCs of l-Arg and l-Cys solutions were 2000 and 4500 ppm, respectively. It was found that using l-Arg and l-Cys solutions at their CMCs, the IFT and contact angle were reduced from 34.5 to 18.0 and 15.4 mN/m, and from 144° to 78° and 75°, respectively. Thus, the l-Arg and l-Cys solutions enabled approximately 11.9% and 8.9% additional recovery of OOIP (original oil in place). It was identified that both amino-acid surfactants can be used to improve oil recovery due to their desirable effects on the EOR mechanisms at their CMC ranges.
format	article
author	Hamed Foroughi Asl Ghasem Zargar Abbas Khaksar Manshad Mohammad Ali Takassi Jagar A. Ali Alireza Keshavarz
author_facet	Hamed Foroughi Asl Ghasem Zargar Abbas Khaksar Manshad Mohammad Ali Takassi Jagar A. Ali Alireza Keshavarz
author_sort	Hamed Foroughi Asl
title	Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
title_short	Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
title_full	Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
title_fullStr	Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
title_full_unstemmed	Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration
title_sort	experimental investigation into l-arg and l-cys eco-friendly surfactants in enhanced oil recovery by considering ift reduction and wettability alteration
publisher	KeAi Communications Co., Ltd.
publishDate	2019
url	https://doaj.org/article/86571aad550a443da499955a25266741
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Experimental investigation into l-Arg and l-Cys eco-friendly surfactants in enhanced oil recovery by considering IFT reduction and wettability alteration

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