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Article

Experimental Investigation of the Effect of Adding Nanoparticles to Polymer Flooding in Water-Wet Micromodels

1
School of Mechanical Engineering, University of Campinas, Rua Mendeleyev, 200 Cidade Universitária Barão Geraldo, Campinas–SP CEP 13083-860, Brazil
2
PoreLab Research Centre, Department of Geoscience and Petroleum, Norwegian University of Science and Technology (NTNU), S. P. Andersens veg 15a, 7031 Trondheim, Norway
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(8), 1489; https://doi.org/10.3390/nano10081489
Received: 20 May 2020 / Revised: 8 July 2020 / Accepted: 16 July 2020 / Published: 29 July 2020
(This article belongs to the Special Issue Application of Nanoparticles for Oil Recovery)
Recently, the combination of conventional chemical methods for enhanced oil recovery (EOR) and nanotechnology has received lots of attention. This experimental study explores the dynamic changes in the oil configuration due to the addition of nanoparticles (NPs) to biopolymer flooding. The tests were performed in water-wet micromodels using Xanthan Gum and Scleroglucan, and silica-based NPs in a secondary mode. The microfluidic setup was integrated with a microscope to capture the micro-scale fluid configurations. The change in saturation, connectivity, and cluster size distributions of the non-wetting phase was evaluated by means of image analysis. The biopolymer content did not affect the ability of the NPs to reduce the interfacial tension. The experiments showed that the reference nanofluid (NF) flood led to the highest ultimate oil recovery, compared to the Xanthan Gum, Scleroglucan and brine flooding at the same capillary number. In the cases of adding NPs to the biopolymer solutions, NPs-assisted Xanthan flooding achieved the highest ultimate oil recovery. This behavior was also evident at a higher capillary number. The overall finding suggests a more homogenous dispersion of the NPs in the solution and a reduction in the polymer adsorption in the Xanthan Gum/NPs solution, which explains the improvement in the sweep efficiency and recovery factor. View Full-Text
Keywords: enhanced oil recovery; chemical flooding; biopolymer; silica nanoparticles; microfluidics enhanced oil recovery; chemical flooding; biopolymer; silica nanoparticles; microfluidics
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MDPI and ACS Style

Rueda, E.; Akarri, S.; Torsæter, O.; Moreno, R.B.Z.L. Experimental Investigation of the Effect of Adding Nanoparticles to Polymer Flooding in Water-Wet Micromodels. Nanomaterials 2020, 10, 1489. https://doi.org/10.3390/nano10081489

AMA Style

Rueda E, Akarri S, Torsæter O, Moreno RBZL. Experimental Investigation of the Effect of Adding Nanoparticles to Polymer Flooding in Water-Wet Micromodels. Nanomaterials. 2020; 10(8):1489. https://doi.org/10.3390/nano10081489

Chicago/Turabian Style

Rueda, Edgar, Salem Akarri, Ole Torsæter, and Rosangela B.Z.L. Moreno 2020. "Experimental Investigation of the Effect of Adding Nanoparticles to Polymer Flooding in Water-Wet Micromodels" Nanomaterials 10, no. 8: 1489. https://doi.org/10.3390/nano10081489

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