CPC C09K 8/588 (2013.01) [C08F 212/20 (2020.02); C08F 220/06 (2013.01); C08F 220/22 (2013.01); C08F 220/24 (2013.01); C08F 220/56 (2013.01); E21B 43/20 (2013.01); C09K 2208/10 (2013.01)] | 5 Claims |
1. A method comprising:
pumping a mixture through a wellbore into a geological formation, the mixture comprising a surfactant, salt, water, and polymer nanoparticles having a fluoroalkyl group; and
flowing the mixture through the geological formation,
wherein:
the pumping and the flowing comprise enhanced oil recovery (EOR) comprising flooding:
the flooding of the geological formation increases oil recovery from a reservoir in the geological formation;
the flooding comprises nanofluid flooding,; and
the polymer nanoparticles having the fluoroalkyl group comprise polymers with the following polymeric structure:
![]() where R1 is —CH2CF3, —CH(CF3)2, or —C(CF3)3, and where R2 is H or CH3.
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