Greenly Synthesized Magnetite@SiO2@Xanthan Nanocomposites and Its Application in Enhanced Oil Recovery: IFT Reduction and Wettability Alteration

Ali, Jagar A.; Manshad, Abbas Khaksar; Imani, Irfan; Sajadi, S. Mohammad; Keshavarz, Alireza

doi:10.1007/s13369-020-04377-x

Cited by 27 publications

(16 citation statements)

References 22 publications

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“…IFT of the deionized water and crude oil was measured as 35 mN/m; while, the optimum concentration provides a 17 mN/m reduction in IFT. In other words, the nanofluid prepared by using this novel NC is able to reduce the IFT by 48.5% [ 76 , 77 , 78 , 79 , 80 , 81 ]. Figure 14 illustrates the measurements of the dynamic IFTs of nanofluids over a period of steps over time (The final and fixed values of IFTs are measured from dynamic values.…”

Section: Resultsmentioning

confidence: 99%

Synthesis, Characterization, and Assessment of a CeO2@Nanoclay Nanocomposite for Enhanced Oil Recovery

et al. 2020

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In this paper, synthesis and characterization of a novel CeO2/nanoclay nanocomposite (NC) and its effects on IFT reduction and wettability alteration is reported in the literature for the first time. The NC was characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), energy-dispersive X-ray spectroscopy (EDS), and EDS MAP. The surface morphology, crystalline phases, and functional groups of the novel NC were investigated. Nanofluids with different concentrations of 100, 250, 500, 1000, 1500, and 2000 ppm were prepared and used as dispersants in porous media. The stability, pH, conductivity, IFT, and wettability alternation characteristics of the prepared nanofluids were examined to find out the optimum concentration for the selected carbonate and sandstone reservoir rocks. Conductivity and zeta potential measurements showed that a nanofluid with concentration of 500 ppm can reduce the IFT from 35 mN/m to 17 mN/m (48.5% reduction) and alter the contact angle of the tested carbonate and sandstone reservoir rock samples from 139° to 53° (38% improvement in wettability alteration) and 123° to 90° (27% improvement in wettability alteration), respectively. A cubic fluorite structure was identified for CeO2 using the standard XRD data. FESEM revealed that the surface morphology of the NC has a layer sheet morphology of CeO2/SiO2 nanocomposite and the particle sizes are approximately 20 to 26 nm. TGA analysis results shows that the novel NC has a high stability at 90 °C which is a typical upper bound temperature in petroleum reservoirs. Zeta potential peaks at concentration of 500 ppm which is a sign of stabilty of the nanofluid. The results of this study can be used in design of optimum yet effective EOR schemes for both carbobate and sandstone petroleum reservoirs.

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Section: Resultsmentioning

confidence: 99%

Synthesis, Characterization, and Assessment of a CeO2@Nanoclay Nanocomposite for Enhanced Oil Recovery

et al. 2020

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“…During first two phases of oil extraction, only about 30–50% original oil in place (OOIP) of the crude oil can be produced depending on the characteristics of the reservoir. , Since only about 30–50% OOIP can be extracted from the reservoirs using the primary and secondary methods, tertiary (EOR) methods are given more attention. − There are several techniques for producing oil using the tertiary method, such as chemical injection, gas injection, thermal methods, and microbial methods . The chemical EOR (CEOR) processes can be activated by the dominant mechanisms of EOR, such as mobility control, wettability alteration, and interfacial tension (IFT) reduction. − …”

Section: Introductionmentioning

confidence: 99%

“…Thus, oil companies as well as researchers use nanotechnology to overcome these problems. , The use of nanoparticles (NPs) in various EOR processes can increase oil recovery with positive influences on chemical adsorption, IFT reduction, and wettability alteration. In addition, NPs can easily transfer through the small pore exit in porous media, increase the viscosity and conductivity of solutions, improve the properties of the carrier fluid with a small amount of material compared to materials with larger particles, and make no changes in the chemistry of injected water. − Furthermore, nanocomposites, as a combination of several NPs or NPs with polymers having the inherent properties of composite materials in intensified states, are expected to perform better in EOR applications compared with conventional nanoparticles (SiO 2 , TiO 2 , ZnO, Al 2 O 3 , Fe 2 O 3 , and graphene). − Nanocomposites can be functionalized, polymer-coated, or surface-modified nanoparticles. , Ju et al and Qi et al used polymer-coated silica NPs to increase oil recovery by reducing the IFT and altering the wettability. , Behzadi et al investigated the effect of polymer-coated silica NPs on the reduction of the water–oil IFT and wettability alteration using a glass micromodel. They identified that polymer-coated silica NPs have a greater impact on the EOR mechanisms compared with unmodified silica NPs …”

Section: Introductionmentioning

confidence: 99%

Insight into Nano-chemical Enhanced Oil Recovery from Carbonate Reservoirs Using Environmentally Friendly Nanomaterials

et al. 2022

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The use of nanoparticles (NPs) in enhanced oil recovery (EOR) processes is very effective in reducing the interfacial tension (IFT) and surface tension (ST) and altering the wettability of reservoir rocks. The main purpose of this study was to use the newly synthesized nanocomposites (KCl/SiO2/Xanthan NCs) in EOR applications. Several analytical techniques including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscope (SEM) were applied to confirm the validity of the synthesized NCs. From the synthesized NCs, nanofluids were prepared at different concentrations of 100–2000 ppm and characterized using electrical conductivity, IFT, and ST measurements. From the obtained results, it can be observed that 1000 ppm is the optimal concentration of the synthesized NCs that had the best performance in EOR applications. The nanofluid with 1000 ppm KCl/SiO2/Xanthan NCs enabled reducing the IFT and ST from 33 and 70 to 29 and 40 mN/m, respectively. However, the contact angle was highly decreased under the influence of the same nanofluid to 41° and the oil recovery improved by an extra 17.05% OOIP. To sum up, KCl/SiO2/Xanthan NCs proved highly effective in altering the wettability of rocks from oil-wet to water-wet and increasing the cumulative oil production.

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“…Generally, EOR processes are classified into main groups of chemical flooding, thermal miscible flooding, and microbial processes . Chemical EOR (CEOR) is usually applied in oil-bearing formations with two main goals: reducing the interfacial tension (IFT) between the reservoir oil and the injected fluid and improving the sweep efficiency of the injected fluid by decreasing its mobility. − …”

Section: Introductionmentioning

confidence: 99%

Characterization, Micellization Behavior, and Performance of a Novel Surfactant Derived from Gundelia tournefortii Plant during Chemical Enhanced Oil Recovery

2021

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Surface active agents or surfactants optimize the chemical enhanced oil recovery (EOR) operations. Since their first use, chemical surfactant applications have posed challenges because of their environmental concerns and high material expenses. The current study introduces the Gundelia tournefortii (GT) plant as a cheap and environmentally friendly source of nonionic amphiphiles for chemical EOR applications. The GT surfactant extract was evaluated using both analytical characterization tests and EOR-related experiments. Fourier transform infrared spectroscopy and thermogravimetric analysis showed the presence of amphiphile molecules in the plant extract and thermal weight loss of the novel introduced saponin-rich extract, respectively. Critical micelle concentration was characterized using various complementary tests of pH, electrical conductivity, density, turbidity, interfacial tension measurements, and micelle formation effects on properties of the solution. Foaming characterization and wettability alteration also confirmed the micellization effects. Foaming and foam half-life time parameters were also evaluated. Interfacial tension and wettability optimization by the GT surfactant solution were measured to validate its potential to enhance oil recovery, achieving a decrease in the interfacial tension from 28 to 3 mN/m and a change in the contact angle from oil-wetting to water-wetting (160 to 20°). Core flooding experiments were conducted to observe and validate the efficiency of the wettability alteration and interfacial tension reduction, achieving a 19.8% increase in oil recovery compared to seawater flooding and a final oil recovery of 66.33%. Relative permeability curves of displacing and displaced fluids were computed and analyzed as wettability alteration validation and for the residual oil calculation.

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Greenly Synthesized Magnetite@SiO2@Xanthan Nanocomposites and Its Application in Enhanced Oil Recovery: IFT Reduction and Wettability Alteration

Cited by 27 publications

References 22 publications

Synthesis, Characterization, and Assessment of a CeO2@Nanoclay Nanocomposite for Enhanced Oil Recovery

Synthesis, Characterization, and Assessment of a CeO2@Nanoclay Nanocomposite for Enhanced Oil Recovery

Insight into Nano-chemical Enhanced Oil Recovery from Carbonate Reservoirs Using Environmentally Friendly Nanomaterials

Characterization, Micellization Behavior, and Performance of a Novel Surfactant Derived from Gundelia tournefortii Plant during Chemical Enhanced Oil Recovery

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