Abstract

The filtration of a graphene suspension through a core sample has been studied experimentally. It has been found that at the oil–water interface in the porous medium of the core sample, a transient multilayer microheterophase structure consisting of planar graphene nanoparticles, hydrocarbon oil molecules, and surfactants is formed. It has been found that with an increase in the concentration of graphene nanoparticles, the volume fraction of displaced oil increases and the water volume fraction in oil decreases.

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