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Experimental Assessment of Magnetic Nanofluid Injection in High-Salinity and Heavy-Crude-Saturated Sandstone: Mitigation of Formation Damage

Author

Listed:
  • Jimena Lizeth Gómez-Delgado

    (Grupo de Investigación en Tomografía (GIT), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia)

  • Nelson Gutierrez-Niño

    (Laboratorio de Espectroscopia Atómica y Molecular (LEAM), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia)

  • Luis Felipe Carrillo-Moreno

    (Grupo de Investigación en Tomografía (GIT), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia)

  • Raúl Andres Martínez-López

    (Grupo de Investigación en Tomografía (GIT), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia)

  • Nicolás Santos-Santos

    (Grupo de Investigación en Tomografía (GIT), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia)

  • Enrique Mejía-Ospino

    (Grupo de Investigación en Tomografía (GIT), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia
    Laboratorio de Espectroscopia Atómica y Molecular (LEAM), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia
    Facultad de Ciencias, Universidad Industrial de Santander, Escuela de Química, 680002 Bucaramanga, Colombia)

Abstract

The depletion of conventional oil reserves has intensified the search for enhanced oil recovery (EOR) techniques. Recently, nanoparticle research has focused on graphene oxide-based materials, revealing a critical challenge in their practical application. Laboratory investigations have consistently demonstrated that these nanoparticles have significant potential for formation damage, a critical limitation that substantially constrains their potential field implementation. This research addresses a critical challenge in EOR: developing magnetic graphene oxide nanoparticles (MGONs) that can traverse rock formations without causing formation damage. MGONs were synthesized and stabilized in formation brine with a high total dissolved solids (TDS) content with a xanthan gum polymer. Two coreflooding experiments were conducted on sandstone cores. The first experiment on high-permeability sandstone (843 mD) showed no formation damage; instead, permeability increased to 935 mD after MGON injection. Irreducible water saturation (S wirr ) and residual oil saturation (S or ) were 25.1% and 31.5%, respectively. The second experiment on lower-permeability rock (231.3 mD) evaluated nanoparticle retention. The results showed that 0.09511 mg of MGONs was adsorbed per gram of rock under dynamic conditions. Iron concentration in effluents stabilized after 3 pore volumes, indicating steady-state adsorption. The successful synthesis, stability in high-TDS brine, favorable interfacial properties, and positive effects observed in coreflooding experiments collectively highlight MGONs’ potential as a viable solution for enhancing oil recovery in challenging reservoirs, without causing formation damage.

Suggested Citation

  • Jimena Lizeth Gómez-Delgado & Nelson Gutierrez-Niño & Luis Felipe Carrillo-Moreno & Raúl Andres Martínez-López & Nicolás Santos-Santos & Enrique Mejía-Ospino, 2025. "Experimental Assessment of Magnetic Nanofluid Injection in High-Salinity and Heavy-Crude-Saturated Sandstone: Mitigation of Formation Damage," Energies, MDPI, vol. 18(1), pages 1-14, January.
  • Handle: RePEc:gam:jeners:v:18:y:2025:i:1:p:212-:d:1561076
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