Nanoparticles-assisted surface charge modification of the porous medium to treat colloidal particles migration induced by low salinity water flooding

Danial Arab, Peyman Pourafshary

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

In this experimental study, nanoparticles (NPs) treatment of low salinity water (LSW) flooding in order to mitigate the induced colloidal particles migration in the medium has been investigated. Two sets of coreflood experiments were conducted. In the first set, engineered cores were utilized as porous media. In these experiments five types of metal oxide nanoparticles, γ-Al2O3, CuO, MgO, SiO2, and ZnO, were utilized to treat the medium. In twelve flooding tests, LSW was injected into the already NP-treated core and the effluent's particle concentration was analyzed using a turbidimeter apparatus. These experiments were conducted to find the best NP as an adsorbent of tiny particles. In the second set of the experiments, coreflood tests were performed using Berea cores to investigate the NP treatment of permeability impairment induced by LSW flooding. Quantification methods of dynamic light scattering and zeta potential analysis were done to compare different scenarios. It was found that soaking the medium with a nanofluid slug prior to LSW flooding can be a very promising remedy for the formation damage subsequently induced. The surface charge of the medium treated by γ-Al2O3 NP increases to a critically high value of 33.2mV which in turn, results in a 70% reduction of fines migration compared with the blank test. In addition, the ionic strength of the nanofluid was recognized as an important parameter that affects the treatment efficiency. It was also found that when nanoparticles disperse better in solution they have greater tendencies to alter the surface properties of the medium. The calculated total surface forces quantitatively confirmed the experimental results. Furthermore, the results confirmed that the severe permeability impairment induced by LSW flooding can be dramatically remedied due to the effect of γ-Al2O3 NP.

Original languageEnglish
Pages (from-to)803-814
Number of pages12
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume436
DOIs
Publication statusPublished - Sep 5 2013
Externally publishedYes

Fingerprint

Surface charge
salinity
Porous materials
Nanoparticles
nanoparticles
Water
water
impairment
permeability
Turbidimeters
Experiments
fines
soaking
effluents
blanks
Dynamic light scattering
Zeta potential
Ionic strength
adsorbents
Adsorbents

Keywords

  • Colloidal particles transport
  • Fines migration
  • Low salinity water flooding
  • Nanotechnology-assisted enhanced oil recovery
  • Porous media
  • Zeta potential alteration

ASJC Scopus subject areas

  • Colloid and Surface Chemistry

Cite this

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title = "Nanoparticles-assisted surface charge modification of the porous medium to treat colloidal particles migration induced by low salinity water flooding",
abstract = "In this experimental study, nanoparticles (NPs) treatment of low salinity water (LSW) flooding in order to mitigate the induced colloidal particles migration in the medium has been investigated. Two sets of coreflood experiments were conducted. In the first set, engineered cores were utilized as porous media. In these experiments five types of metal oxide nanoparticles, γ-Al2O3, CuO, MgO, SiO2, and ZnO, were utilized to treat the medium. In twelve flooding tests, LSW was injected into the already NP-treated core and the effluent's particle concentration was analyzed using a turbidimeter apparatus. These experiments were conducted to find the best NP as an adsorbent of tiny particles. In the second set of the experiments, coreflood tests were performed using Berea cores to investigate the NP treatment of permeability impairment induced by LSW flooding. Quantification methods of dynamic light scattering and zeta potential analysis were done to compare different scenarios. It was found that soaking the medium with a nanofluid slug prior to LSW flooding can be a very promising remedy for the formation damage subsequently induced. The surface charge of the medium treated by γ-Al2O3 NP increases to a critically high value of 33.2mV which in turn, results in a 70{\%} reduction of fines migration compared with the blank test. In addition, the ionic strength of the nanofluid was recognized as an important parameter that affects the treatment efficiency. It was also found that when nanoparticles disperse better in solution they have greater tendencies to alter the surface properties of the medium. The calculated total surface forces quantitatively confirmed the experimental results. Furthermore, the results confirmed that the severe permeability impairment induced by LSW flooding can be dramatically remedied due to the effect of γ-Al2O3 NP.",
keywords = "Colloidal particles transport, Fines migration, Low salinity water flooding, Nanotechnology-assisted enhanced oil recovery, Porous media, Zeta potential alteration",
author = "Danial Arab and Peyman Pourafshary",
year = "2013",
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T1 - Nanoparticles-assisted surface charge modification of the porous medium to treat colloidal particles migration induced by low salinity water flooding

AU - Arab, Danial

AU - Pourafshary, Peyman

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N2 - In this experimental study, nanoparticles (NPs) treatment of low salinity water (LSW) flooding in order to mitigate the induced colloidal particles migration in the medium has been investigated. Two sets of coreflood experiments were conducted. In the first set, engineered cores were utilized as porous media. In these experiments five types of metal oxide nanoparticles, γ-Al2O3, CuO, MgO, SiO2, and ZnO, were utilized to treat the medium. In twelve flooding tests, LSW was injected into the already NP-treated core and the effluent's particle concentration was analyzed using a turbidimeter apparatus. These experiments were conducted to find the best NP as an adsorbent of tiny particles. In the second set of the experiments, coreflood tests were performed using Berea cores to investigate the NP treatment of permeability impairment induced by LSW flooding. Quantification methods of dynamic light scattering and zeta potential analysis were done to compare different scenarios. It was found that soaking the medium with a nanofluid slug prior to LSW flooding can be a very promising remedy for the formation damage subsequently induced. The surface charge of the medium treated by γ-Al2O3 NP increases to a critically high value of 33.2mV which in turn, results in a 70% reduction of fines migration compared with the blank test. In addition, the ionic strength of the nanofluid was recognized as an important parameter that affects the treatment efficiency. It was also found that when nanoparticles disperse better in solution they have greater tendencies to alter the surface properties of the medium. The calculated total surface forces quantitatively confirmed the experimental results. Furthermore, the results confirmed that the severe permeability impairment induced by LSW flooding can be dramatically remedied due to the effect of γ-Al2O3 NP.

AB - In this experimental study, nanoparticles (NPs) treatment of low salinity water (LSW) flooding in order to mitigate the induced colloidal particles migration in the medium has been investigated. Two sets of coreflood experiments were conducted. In the first set, engineered cores were utilized as porous media. In these experiments five types of metal oxide nanoparticles, γ-Al2O3, CuO, MgO, SiO2, and ZnO, were utilized to treat the medium. In twelve flooding tests, LSW was injected into the already NP-treated core and the effluent's particle concentration was analyzed using a turbidimeter apparatus. These experiments were conducted to find the best NP as an adsorbent of tiny particles. In the second set of the experiments, coreflood tests were performed using Berea cores to investigate the NP treatment of permeability impairment induced by LSW flooding. Quantification methods of dynamic light scattering and zeta potential analysis were done to compare different scenarios. It was found that soaking the medium with a nanofluid slug prior to LSW flooding can be a very promising remedy for the formation damage subsequently induced. The surface charge of the medium treated by γ-Al2O3 NP increases to a critically high value of 33.2mV which in turn, results in a 70% reduction of fines migration compared with the blank test. In addition, the ionic strength of the nanofluid was recognized as an important parameter that affects the treatment efficiency. It was also found that when nanoparticles disperse better in solution they have greater tendencies to alter the surface properties of the medium. The calculated total surface forces quantitatively confirmed the experimental results. Furthermore, the results confirmed that the severe permeability impairment induced by LSW flooding can be dramatically remedied due to the effect of γ-Al2O3 NP.

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KW - Porous media

KW - Zeta potential alteration

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