A study of water chemistry extends the benefits of using silica-based nanoparticles on enhanced oil recovery

Hendraningrat, Luky; Torsæter, Ole

doi:10.1007/s13204-015-0411-0

Cited by 38 publications

(15 citation statements)

References 32 publications

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“…Nanofluid are prepared in brines and some studies have investigated the combined role of salinity and NPs on the wettability change process [51] and NP adsorption on mineral surfaces [52]. Hendraningrat and Torsaeter [51] stated that nanofluid flooding is sensitive to water salinity especially in the presence of divalent ion (Ca 2+ and Mg 2+ ).…”

Section: Nps Interaction With Chalk Mineral In Presence Of Hydrocarbonmentioning

confidence: 99%

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Effect of Silica Nanoparticles on Fluid/Rock Interactions during Low Salinity Water Flooding of Chalk Reservoirs

2018

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Abstract:The main objective of this work is to address the adsorption of Silica nanoparticles (NPs) dispersed in different brines on chalk surfaces and their effect on fluid/rock interaction. Isothermal static and dynamic adsorption on chalk are addressed here. Isothermal static adsorption showed increased adsorption of NPs at higher salinity. The tests were performed to cover wide range of injection scenarios with synthetic seawater (SSW) and low salinity water (LSW). The selected LSW composition here is based on 1:10 diluted SSW, which has shown to have superior performance compared to other ion compositions. The dynamic adsorption tests of NPs showed reduction of calcite dissolution of about 30% compared to LSW alone. That is, silica nanofluid hinders calcite dissolution i.e., has less effect on chalk matrix integrity which is a major concern in chalk reservoir, if low salinity is employed for enhanced oil recovery. Both scanning electron microscope images and pressure drop across the core during nanofluid injection indicated no throat blockage. Based on ion tracking and the monitored pH, the mechanism(s) for NP adsorption/desorption are suggested. The results from this study suggests a synergy wherein adding relatively small amount of silica NPs can improve the performance of low salinity floods.

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Section: Nps Interaction With Chalk Mineral In Presence Of Hydrocarbonmentioning

confidence: 99%

“…Hendraningrat and Torsaeter [51] stated that nanofluid flooding is sensitive to water salinity especially in the presence of divalent ion (Ca 2+ and Mg 2+ ). The effect of injection brine salinity on the recovery process has been well documented in the literature [36,39,[53][54][55][56].…”

Section: Nps Interaction With Chalk Mineral In Presence Of Hydrocarbonmentioning

confidence: 99%

Effect of Silica Nanoparticles on Fluid/Rock Interactions during Low Salinity Water Flooding of Chalk Reservoirs

2018

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“…The increasing energy demand for domestic and industrial uses led to the application of enhanced oil recovery (EOR) to extract residual oil after primary and secondary methods (Afolabi and Yusuf 2019;Hendraningrat and Torsaeter 2016;Soleimani et al 2016a, b;Hamza et al 2017a, b). In most EOR technologies, such as surfactant flooding, polymer-surfactant flooding and foam flooding, surfactants play unprecedented roles that include reduction in interfacial tension and sometimes in gas mobility control (Moradi et al 2019;Hanamertani et al 2018;Dang et al 2017;Kamal et al 2017;Soleimani et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Nano-fluid viscosity screening and study of in situ foam pressure buildup at high-temperature high-pressure conditions

Hamza

Soleimani

Merican

et al. 2019

J Petrol Explor Prod Technol

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In this study, an industrial-based surfactant known as MFomax surfactant has been modified with unfunctionalized and silanefunctionalized silica nanoparticles (NPs) to select the high viscous nano-fluid (NF) for generation of in situ foam to assess the differential pressure buildup (∆p) behavior in the porous media. Different weight concentrations of NPs and MFomax from 0.1 to 0.5% were studied using Design Expert Software to generate full matrix design of NF formulations. The viscosity data were analyzed with the aid of response surface analytical tool to investigate the response of NPs loading on the NF viscosity for optimization. The microstructural properties of the NFs were characterized using spectroscopic equipment. Subsequently, the high viscous NF was selected to generate in situ foam in comparison with the precursor MFomax foam for ∆p buildup assessment at 110 °C and 2023 psi in the native reservoir core. Results have shown that both the silica NPs could significantly improve the MFomax viscosity; however, the silane-functionalized silica NPs have more effect to improve the viscosity and other microstructural properties than the unfunctionalized NPs, and thus, they were selected for further experimental studies. The coreflood ∆p buildup assessment shows that NF foam built more ∆p having average value of 46 psi against 25 psi observed in the case of the precursor MFomax foam. Thus, this study demonstrates that functionalized silica NPs could improve the MFomax viscosity and eventually generates high ∆p buildup at high-temperature high-pressure conditions.

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“…Hendraningrat and Torsaeter (2016) examined the effect of salinity and ionic composition of injected brine on the performance of nanoparticles in enhanced oil recovery by measuring the contact angle and core flooding for sandstone rock. They found that the presence of divalent ions in nanofluid solutions, compared to monovalent ions, could increase the oil recovery factor of sandstone rocks (Hendraningrat and Torsaeter 2016). Similar results have been reported by other researchers in this field (Kiani et al 2016;Sulaiman et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Wettability alteration analysis of smart water/novel functionalized nanocomposites for enhanced oil recovery

2020

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Smart water flooding, as a popular method to change the wettability of carbonate rocks, is one of the interesting and challenging issues in reservoir engineering. In addition, the recent studies show that nanoparticles have a great potential for application in EOR processes. However, little research has been conducted on the use of smart water with nanoparticles in enhanced oil recovery. In this study, stability, contact angle and IFT measurements and multi-step core flooding tests were designed to investigate the effect of the ionic composition of smart water containing SO 4 2− and Ca 2+ ions in the presence of nanofluid on EOR processes. The amine/organosiloxane@Al 2 O 3 /SiO 2 (AOAS) nanocomposite previously synthesized using co-precipitation-hydrothermal method has been used here. However, for the first time the application of this nanocomposite along with smart water has been studied in this research. Results show that by increasing the concentrations of calcium and sulfate ions in smart water, oil recovery is improved by 9% and 10%, respectively, compared to seawater. In addition, the use of smart water and nanofluids simultaneously is very effective on increasing oil recovery. Finally, the best performance was observed in smart water containing two times of sulfate ions concentration (SW2S) with nanofluids, showing increased efficiency of about 7.5%.

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A study of water chemistry extends the benefits of using silica-based nanoparticles on enhanced oil recovery

Cited by 38 publications

References 32 publications

Effect of Silica Nanoparticles on Fluid/Rock Interactions during Low Salinity Water Flooding of Chalk Reservoirs

Effect of Silica Nanoparticles on Fluid/Rock Interactions during Low Salinity Water Flooding of Chalk Reservoirs

Nano-fluid viscosity screening and study of in situ foam pressure buildup at high-temperature high-pressure conditions

Wettability alteration analysis of smart water/novel functionalized nanocomposites for enhanced oil recovery

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