3D pore-scale modeling of nanofluids-enhanced oil recovery

MINAKOV Andrey Viktorovich,GUZEI Dmitriy Viktorovich,PRYAZHNIKOV Maxim Ivanovich,FILIMONOV Sergey Anatol'yevich,VORONENKOVA Yulia Olegovna

Table 1 Measured particle sizes in the powder (PS), specific surface area (SSA), average particle size (APS) in the suspension, and zeta-potential (ζ) of the NPs used.

Materials PS/ nm Manufacturer SSA/ (m2•g-1) APS/ nm ζ/mV SiO2 5 Aerosil 380 12 -13.9 SiO2 18 Bardakhanov 149 40 -19.8 SiO2 22 Sigma Aldrich 110 30 -38.0 SiO2 50 Bardakhanov 55 130 -37.4