| CPC C09K 8/584 (2013.01) [E21B 43/164 (2013.01); E21B 43/166 (2013.01); C09K 2208/10 (2013.01); E21B 2200/20 (2020.05); E21B 2200/22 (2020.05)] | 14 Claims |

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1. A treatment fluid, comprising:
an aqueous colloid comprising:
a brine;
0.02 to 0.08% by weight of a nanoparticle;
5% to 50% by weight of a first surfactant in the form of a micelle around the nanoparticle, wherein the first surfactant comprises petroleum sulfonate; and
a second surfactant encapsulating the micelle around the nanoparticle.
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