Environmentally Safe Technology to Increase Efficiency of High-Viscosity Oil Production for the Objects with Advanced Water Cut

Palyanitsina, Aleksandra, Safiullina, Elena, Byazrov, Roman, Podoprigora, Dmitriy and Alekseenko, Alexey, (2022). Environmentally Safe Technology to Increase Efficiency of High-Viscosity Oil Production for the Objects with Advanced Water Cut. Energies, 15(3), 1-20

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  • Sub-type Journal article
    Author Palyanitsina, Aleksandra
    Safiullina, Elena
    Byazrov, Roman
    Podoprigora, Dmitriy
    Alekseenko, Alexey
    Title Environmentally Safe Technology to Increase Efficiency of High-Viscosity Oil Production for the Objects with Advanced Water Cut
    Appearing in Energies
    Volume 15
    Issue No. 3
    Publication Date 2022-01-20
    Place of Publication Basel, Switzerland
    Publisher MDPI
    Start page 1
    End page 20
    Language eng
    Abstract The depletion of conventional oil reserves creates a significant demand for the development and improvement of methods and technologies for the production of hard-to-recover oil. A huge potential for hard-to-recover oil in Western Siberia lies in the Pokur suite (PK). These deposits are characterized by high oil viscosity and, accordingly, early water breakthrough. This study identifies and substantiates an effective technology for oil production from such and similar deposits using polymer flooding. The obtained data are based on research of the geological structure, the main reservoir properties and those of its fluids, chemical and laboratory methods of analysis, and the results of mathematical and hydrodynamic modeling. According to the results of hydrodynamic modeling, the greatest technological effect of polymeric water flooding is observed in the model of collector permeability at 70 mD and above 1000 mD, but this technology is not recommended for reservoirs with an average permeability of less than 10 mD. Implementation of the best practices through the prism of the resource nexus allows sustainable water management by applying environment-friendly polymers for enhanced oil recovery and contributes to the UN Goal 6 of clean water and sanitation.
    Keyword Polymer flooding
    Chemical EOR
    Mobility ratio
    Displacement efficiency
    Oil recovery
    High viscosity oil
    Ecological technology
    Mathematical simulation
    Oil extraction
    Copyright Holder The Authors
    Copyright Year 2022
    Copyright type Creative commons
    DOI 10.3390/en15030753
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    Created: Fri, 28 Jan 2022, 22:16:34 JST by Eric Siegmund on behalf of UNU FLORES