Fundamentals and Recent Progress in the Flow of Water-Soluble Polymers in Porous Media for Enhanced Oil Recovery

Mohsen Mirzaie Yegane (), Pouyan E. Boukany and Pacelli Zitha
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Mohsen Mirzaie Yegane: Department of Geosciences and Engineering, Delft University of Technology, 2628 CN Delft, The Netherlands
Pouyan E. Boukany: Department of Chemical Engineering, Delft University of Technology, 2629 HZ Delft, The Netherlands
Pacelli Zitha: Department of Geosciences and Engineering, Delft University of Technology, 2628 CN Delft, The Netherlands

Energies, 2022, vol. 15, issue 22, 1-33

Abstract: Due to increased energy demand, it is vital to enhance the recovery from existing oilfields. Polymer flooding is the most frequently used chemical enhanced oil recovery (cEOR) method in field applications that increases the oil sweep and displacement efficiencies. In recent years, there has been growing interest to assess the use of polymer flooding in an increasing number of field applications. This is due to the improved properties of polymers at high-salinity and high-temperature conditions and an increased understanding of the transport mechanisms of water-soluble polymers in porous media. In this review, we present an overview of the latest research into the application of polymers for cEOR, including mechanisms of oil recovery improvement and transport mechanisms in porous media. We focus on the recent advances that have been made to develop polymers that are suitable for high-salinity and high-temperature conditions and shed light on new insights into the flow of water-soluble polymers in porous media. We observed that the viscoelastic behavior of polymers in porous media (e.g., shear thickening and elastic turbulence) is the most recently debated polymer flow mechanism in cEOR applications. Moreover, advanced water-soluble polymers, including hydrophobically modified polymers and salt- and temperature-tolerant modified polyacrylamides, have shown promising results at high-salinity and high-temperature conditions.

Keywords: chemical enhanced oil recovery (cEOR); polymer; nanoparticles; high salinity; high temperature (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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