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Enhancing Oil Recovery Efficiency with Manganese Dioxide Nanofluids: Exploring the Role of Electrochemical Potentials and Electromagnetic Fields

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Abstract:

Enhanced Oil Recovery (EOR) techniques have evolved significantly to meet the demands of maximizing crude oil extraction from complex reservoirs. This study investigates the application of manganese dioxide (MnO2) nanofluids in EOR, emphasizing the synergistic effects of electrochemical potentials and electromagnetic fields. MnO2 nanoparticles were synthesized using a hydrothermal method at 160°C, yielding uniform spherical nanostructures approximately 50 nm in size. These nanofluids demonstrated promising properties including improved surface reactivity, wettability alteration, and interfacial tension reduction between oil and water phases. Field Emission Scanning Electron Microscopy (FESEM) and Energy Dispersive X-ray Analysis (EDAX) confirmed the structural and elemental purity of the nanoparticles. The experimental findings reveal that MnO2 nanofluids can effectively mobilize trapped oil, especially under the influence of electromagnetic fields, which enhance nanoparticle dispersion and oil displacement. Pressure drop analysis during core flooding tests further confirmed increased recovery efficiency at optimal nanofluid concentrations, with 0.3% MnO2 showing the highest performance. This research presents a viable approach to improving EOR outcomes through nanotechnology, offering a scalable and efficient method to recover residual oil in challenging reservoir conditions.

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Periodical:

Defect and Diffusion Forum (Volume 445)

Pages:

153-163

DOI:

https://doi.org/10.4028/p-5FXWQu

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Online since:

December 2025

Authors:

Hojjatollah Soleimani, Surajudden Sikiru, Hassan Soleimani*, Leila Khodapanah, Amir Rostami, Mohammad Yeganeh Ghotbi, Maziyar Sabet

Keywords:

EOR, MnO2, Oil Displacement, Pressure Drop

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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