Viscosity reduction of extra heavy crude oil by magnetite nanoparticle-based ferrofluids

Aristizábal-Fontal, Juan E; Cortés, Farid B.; Franco, Camilo A.

doi:10.1177/0263617417704309

Cited by 51 publications

(26 citation statements)

References 66 publications

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“…This mechanism is based on the disaggregation of the viscoelastic network formed by asphaltenes and resins within the fluid, through interactions between the functional groups of nanoparticles and asphaltenes, since these interactions are stronger than those that exist between asphaltene molecules [94]. Accordingly, several studies have demonstrated that nanoparticle addition of different chemical natures in HO and EHO generates a reduction in viscosity for low nanoparticle concentrations [92,93,110,111]. Comparative studies show that SiO 2 nanoparticles reduce the viscosity to a greater degree that Al 2 O 3 and Fe 3 O 4 nanoparticles of different sizes and degrees of surface acidity [112].…”

Section: Interaction Between Heavy Crude Oil Fractions and Nanoparticlesmentioning

confidence: 99%

Nanotechnology Applied to Thermal Enhanced Oil Recovery Processes: A Review

et al. 2019

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The increasing demand for fossil fuels and the depleting of light crude oil in the next years generates the need to exploit heavy and unconventional crude oils. To face this challenge, the oil and gas industry has chosen the implementation of new technologies capable of improving the efficiency in the enhanced recovery oil (EOR) processes. In this context, the incorporation of nanotechnology through the development of nanoparticles and nanofluids to increase the productivity of heavy and extra-heavy crude oils has taken significant importance, mainly through thermal enhanced oil recovery (TEOR) processes. The main objective of this paper is to provide an overview of nanotechnology applied to oil recovery technologies with a focus on thermal methods, elaborating on the upgrading of the heavy and extra-heavy crude oils using nanomaterials from laboratory studies to field trial proposals. In detail, the introduction section contains general information about EOR processes, their weaknesses, and strengths, as well as an overview that promotes the application of nanotechnology. Besides, this review addresses the physicochemical properties of heavy and extra-heavy crude oils in Section 2. The interaction of nanoparticles with heavy fractions such as asphaltenes and resins, as well as the variables that can influence the adsorptive phenomenon are presented in detail in Section 3. This section also includes the effects of nanoparticles on the other relevant mechanisms in TEOR methods, such as viscosity changes, wettability alteration, and interfacial tension reduction. The catalytic effect influenced by the nanoparticles in the different thermal recovery processes is described in Sections 4, 5, 6, and 7. Finally, Sections 8 and 9 involve the description of an implementation plan of nanotechnology for the steam injection process, environmental impacts, and recent trends. Additionally, the review proposes critical stages in order to obtain a successful application of nanoparticles in thermal oil recovery processes.

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Section: Interaction Between Heavy Crude Oil Fractions and Nanoparticlesmentioning

confidence: 99%

Nanotechnology Applied to Thermal Enhanced Oil Recovery Processes: A Review

et al. 2019

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“…Nowadays, nanotechnology has acquired a preponderant role in the oil industry as a cost-effective emergent technology [24], in different applications due to the exceptional properties of nanoparticulated materials such as high dispersibility [25,26] and surface-area-to-volume ratios [27], as well as selectivity for adsorption of heavy fractions of EHO, particularly asphaltenes [12,28,29]. The asphaltenes adsorption over the nanoparticles generates the reduction of the aggregate size in the EHO matrix [30], which changes the microstructure aggregation by disruption of the viscoelastic network and further leads to the crude oil viscosity reduction [7,[30][31][32][33]. Hence, several authors have studied the use of nanofluids for crude oil viscosity reduction.…”

Section: Introductionmentioning

confidence: 99%

“…Alomair et al [31], used a mixture of silicon, alumina, nickel oxide and titanium oxide nanoparticles with saline water as a carrier fluid for increasing oil mobility by an inverse emulsion formation, which foments viscosity reduction. Recent studies have included the impact of nanoparticles of different chemical nature in various carrier fluids looking for the reduction of viscosity of heavy and extra-heavy oils [30,32,33]. It is worth to mention that the design of the carrier fluid is of primary importance as it should contain an oil-soluble phase or diluent, as well as a nanoparticles dispersant for stabilizing the nanofluid.…”

Section: Introductionmentioning

confidence: 99%

“…However, satisfactory results have been achieved in the reduction of the viscosity of crude oil through nanotechnology-based materials. Taborda et al [7] and Aristizabal-Fontal et al [32], have developed related studies with this research subject. However, these works lack in a proper demonstration of these treatments capabilities as a function of time on the durability of the reduction of viscosity and thixotropic measurements, and the direct relationship with the organization of the viscoelastic network altered by the presence of nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

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Development of Nanofluids for Perdurability in Viscosity Reduction of Extra-Heavy Oils

Montes

Orozco²,

Taborda

et al. 2019

Energies

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The primary objective of this study is the development of nanofluids based on different diluent/dispersant ratios (DDR) for extra-heavy oil (EHO) viscosity reduction and its perdurability over time. Different diluents such as xylene, diesel, n-pentane, and n-heptane were evaluated for the formulation of the carrier fluid. Instability of asphaltenes was assessed for all diluents through colloidal instability index (CII) and Oliensis tests. Rheology measurements and hysteresis loop tests were performed using a rotational rheometer at 30 °C. The CII values for the alkanes type diluents were around 0.57, results that were corroborated with the Oliensis tests as asphaltenes precipitation was observed with the use of these diluents. This data was related to the viscosity reduction degree (VRD) reported for the different diluents. With the use of the alkanes, the VRD does not surpass the 60%, while with the use of xylene a VRD of approximately 85% was achieved. Dimethylformamide was used as a dispersant of the nanoparticles and had a similar VRD than that for xylene (87%). Subsequent experiments were performed varying the DDR (xylene/dimethylformamide) for different dosages up to 7 vol % determining that a DDR = 0.2 and a dosage of 5 vol % was appropriated for enhancing EHO VRD, obtaining a final value of 89%. Different SiO2 nanoparticles were evaluated in the viscosity reduction tests reporting the best results using 9 nm nanoparticles that were then included at 1000 mg·L−1 in the carrier fluid, increasing the VRD up to 4% and enhancing the perdurability based on the rheological hysteresis and the viscosity measurements for 30 days. Results showed a viscosity increase of 20 and 80% for the crude oil with the nanofluid and the carrier fluid after 30 days, respectively. The nanoparticles have a synergistic effect in the viscosity reduction and the inhibition of the viscoelastic network re-organization (perdurability) after treatment application which was also observed in the rheological modeling carried out with Cross and Carreau models as the reported characteristic relaxation time was increased almost a 20%. Moreover, the Vipulanandan rheological model denotes a higher maximum stress value reached by the EHO with the addition of nanofluids which is derived from the EHO internal structure rearrangement caused by the asphaltenes adsorption phenomenon.

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“…From figures (7 and 8), it's clear that viscosity and pressure drop are decreased with increased concentration of CuO nanoparticles and this is because of breakage C-S bonds in asphaltene which is unstable and this is happening due exothermic chemical reactions between the oil phase and metal particles . The necessary energy for breaking these bonds could be as long as by exothermic chemical reactions between oil phase and metal particles [5,21,25]. As can be seen, there is an optimum concentration of CuO nanoparticles at which the viscosity reduction is maximum.…”

Section: Effect Of Concentrationmentioning

confidence: 99%

Study the Effect of Copper Oxide Nanoparticles on Reduce Crude Oil

Shakir

Al-Tameemi

2019

QJES

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In transportation of fluid, the drag reducers in pipeline are important parameters because of drag reduction increased the ability of pump fluid when adding small amounts of additive to fluid. The frictional pressure loss in pipes is waste energy and it very costly so the drag reducing minimizes flow turbulence, reduces the costs of energy and increases throughput. The transportation of reducing crude oil is very difficult and needs some treatment to improve its transportation and this is because of its high viscosity. The purpose of this research is to study the effect of nanoparticles of copper oxide on viscosity of R.C. and other parameters when transport it through pipes. This research investigated the viscosity, pressure drop and other parameters in three pipes (0.0127, 0.01905 and 0.0254 m) I.D. with different concentrations (0.00625, 0.0125, 0.01875, 0.025 and 0.0375 (gm/L) w/v) at 50 oC and the flow rate is 50% of maximum. The results show that the performance of the drag reduction is much better in the larger pipes diameter than the smaller one. Also, the CuO NP's effect on R.C. viscosity and the maximum viscosity deviation is about 4%. In Addition to CuO NP's to R.C. has reduced the %Dr, pressure drop and shear stress.

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Viscosity reduction of extra heavy crude oil by magnetite nanoparticle-based ferrofluids

Cited by 51 publications

References 66 publications

Nanotechnology Applied to Thermal Enhanced Oil Recovery Processes: A Review

Nanotechnology Applied to Thermal Enhanced Oil Recovery Processes: A Review

Development of Nanofluids for Perdurability in Viscosity Reduction of Extra-Heavy Oils

Study the Effect of Copper Oxide Nanoparticles on Reduce Crude Oil

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