TY - GEN
T1 - Remedial effects of metal oxide nanoparticles to treat suspension transport in saturated porous media
AU - Arab, D.
AU - Pourafshary, P.
AU - Ayatollahi, S.
AU - Habibi, A.
PY - 2013
Y1 - 2013
N2 - Hydrocarbon production decline as a result of formation damage caused by fines migration has been widely observed in laboratory corefloods and natural flows in porous media. Permeability impairment due to fines migration is explained by different capture mechanisms of already released particles at some pore sites. Preventing detachment of in-situ particles from the rock surface during enhanced oil recovery (EOR) agent injection into the porous media has been reported recently. In this experimental study, the effect of five types of metal oxide nanoparticles; γ-AI2O3, ZnO, CuO, MgO and SiO: to adsorb the fine particles existing in the flowing suspension has been investigated. In each test, the prepared nanofluid was utilized to saturate the synthetic porous media. During core flooding tests in which suspension was injected into the treated porous media, effluent samples at different pore volumes were obtained and their fine concentrations were measured by Turbidimeter apparatus. In this study, we present quantification methods of zeta potential analysis and dynamic light scattering (DLS) in order to compare the remedial effect of different nanoparticles. It was found that the presence of nanoparticles on the rock surface changes the surface charge of the porous media and results in zeta potential alteration of the rock surface. Therefore, treated porous media tend to collect the fine particles from the flowing suspension and according to the turbidity analysis, there is a critically reduction of fine concentration in the effluent samples compared with the non-treated media. It was found that treating with γ-AI2O 3 and ZnO nanoparticles are the best scenarios among the tests performed in this study. Scanning electron microscopic (SEM) images qualitatively proved the attachment of fines to the rock surface treated by nanoparticles. These findings were confirmed by DLVO theory to calculate total energy of interactions existing between a particle and the rock surface.
AB - Hydrocarbon production decline as a result of formation damage caused by fines migration has been widely observed in laboratory corefloods and natural flows in porous media. Permeability impairment due to fines migration is explained by different capture mechanisms of already released particles at some pore sites. Preventing detachment of in-situ particles from the rock surface during enhanced oil recovery (EOR) agent injection into the porous media has been reported recently. In this experimental study, the effect of five types of metal oxide nanoparticles; γ-AI2O3, ZnO, CuO, MgO and SiO: to adsorb the fine particles existing in the flowing suspension has been investigated. In each test, the prepared nanofluid was utilized to saturate the synthetic porous media. During core flooding tests in which suspension was injected into the treated porous media, effluent samples at different pore volumes were obtained and their fine concentrations were measured by Turbidimeter apparatus. In this study, we present quantification methods of zeta potential analysis and dynamic light scattering (DLS) in order to compare the remedial effect of different nanoparticles. It was found that the presence of nanoparticles on the rock surface changes the surface charge of the porous media and results in zeta potential alteration of the rock surface. Therefore, treated porous media tend to collect the fine particles from the flowing suspension and according to the turbidity analysis, there is a critically reduction of fine concentration in the effluent samples compared with the non-treated media. It was found that treating with γ-AI2O 3 and ZnO nanoparticles are the best scenarios among the tests performed in this study. Scanning electron microscopic (SEM) images qualitatively proved the attachment of fines to the rock surface treated by nanoparticles. These findings were confirmed by DLVO theory to calculate total energy of interactions existing between a particle and the rock surface.
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M3 - Conference contribution
AN - SCOPUS:84884874774
SN - 9781627486101
T3 - SPE - European Formation Damage Conference, Proceedings, EFDC
SP - 478
EP - 488
BT - Society of Petroleum Engineers - SPE European Formation Damage Conference and Exhibition 2013
T2 - SPE European Formation Damage Conference and Exhibition 2013: Unconventional and Conventional Solutions to Challenging Reservoirs
Y2 - 5 June 2013 through 7 June 2013
ER -