Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles

Abstract Various surfactants have been used in upstream petroleum processes like chemical flooding. Ultimately, the performance of these surfactants depends on their ability to reduce the interfacial tension between oil and water. The surfactant concentration in the aqueous solution decreases owing...

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Autores principales:	Mohammad Ali Ahmadi, James Sheng
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2016
Materias:	Adsorption Hydrophobic silica nanoparticles Hydrophilic silica nanoparticles Ionic surfactant Carbonate rock Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/2c32c55c984b47eca22d396eff44deac
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spelling	oai:doaj.org-article:2c32c55c984b47eca22d396eff44deac2021-12-02T03:59:08ZPerformance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles10.1007/s12182-016-0109-21672-51071995-8226https://doaj.org/article/2c32c55c984b47eca22d396eff44deac2016-07-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-016-0109-2https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract Various surfactants have been used in upstream petroleum processes like chemical flooding. Ultimately, the performance of these surfactants depends on their ability to reduce the interfacial tension between oil and water. The surfactant concentration in the aqueous solution decreases owing to the loss of the surfactant on the rock surface in the injection process. The main objective of this paper is to inhibit the surfactant loss by means of adding nanoparticles. Sodium dodecyl sulfate and silica nanoparticles were used as ionic surfactant and nanoparticles in our experiments, respectively. AEROSIL® 816 and AEROSIL® 200 are hydrophobic and hydrophilic nanoparticles. To determine the adsorption loss of the surfactant onto rock samples, a conductivity approach was used. Real carbonate rock samples were used as the solid phase in adsorption experiments. It should be noted that the rock samples were water wet. This paper describes how equilibrium adsorption was investigated by examining adsorption behavior in a system of carbonate sample (solid phase) and surfactant solution (aqueous phase). The initial surfactant and nanoparticle concentrations were 500–5000 and 500–2000 ppm, respectively. The rate of surfactant losses was extremely dependent on the concentration of the surfactant in the system, and the adsorption of the surfactant decreased with an increase in the nanoparticle concentration. Also, the hydrophilic nanoparticles are more effective than the hydrophobic nanoparticles.Mohammad Ali AhmadiJames ShengKeAi Communications Co., Ltd.articleAdsorptionHydrophobic silica nanoparticlesHydrophilic silica nanoparticlesIonic surfactantCarbonate rockScienceQPetrologyQE420-499ENPetroleum Science, Vol 13, Iss 4, Pp 725-736 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Adsorption Hydrophobic silica nanoparticles Hydrophilic silica nanoparticles Ionic surfactant Carbonate rock Science Q Petrology QE420-499
spellingShingle	Adsorption Hydrophobic silica nanoparticles Hydrophilic silica nanoparticles Ionic surfactant Carbonate rock Science Q Petrology QE420-499 Mohammad Ali Ahmadi James Sheng Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
description	Abstract Various surfactants have been used in upstream petroleum processes like chemical flooding. Ultimately, the performance of these surfactants depends on their ability to reduce the interfacial tension between oil and water. The surfactant concentration in the aqueous solution decreases owing to the loss of the surfactant on the rock surface in the injection process. The main objective of this paper is to inhibit the surfactant loss by means of adding nanoparticles. Sodium dodecyl sulfate and silica nanoparticles were used as ionic surfactant and nanoparticles in our experiments, respectively. AEROSIL® 816 and AEROSIL® 200 are hydrophobic and hydrophilic nanoparticles. To determine the adsorption loss of the surfactant onto rock samples, a conductivity approach was used. Real carbonate rock samples were used as the solid phase in adsorption experiments. It should be noted that the rock samples were water wet. This paper describes how equilibrium adsorption was investigated by examining adsorption behavior in a system of carbonate sample (solid phase) and surfactant solution (aqueous phase). The initial surfactant and nanoparticle concentrations were 500–5000 and 500–2000 ppm, respectively. The rate of surfactant losses was extremely dependent on the concentration of the surfactant in the system, and the adsorption of the surfactant decreased with an increase in the nanoparticle concentration. Also, the hydrophilic nanoparticles are more effective than the hydrophobic nanoparticles.
format	article
author	Mohammad Ali Ahmadi James Sheng
author_facet	Mohammad Ali Ahmadi James Sheng
author_sort	Mohammad Ali Ahmadi
title	Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
title_short	Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
title_full	Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
title_fullStr	Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
title_full_unstemmed	Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
title_sort	performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles
publisher	KeAi Communications Co., Ltd.
publishDate	2016
url	https://doaj.org/article/2c32c55c984b47eca22d396eff44deac
work_keys_str_mv	AT mohammadaliahmadi performanceimprovementofionicsurfactantfloodingincarbonaterocksamplesbyuseofnanoparticles AT jamessheng performanceimprovementofionicsurfactantfloodingincarbonaterocksamplesbyuseofnanoparticles
_version_	1718401478443401216

Performance improvement of ionic surfactant flooding in carbonate rock samples by use of nanoparticles

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