U.S. Patent No. 10,934,478 B2, entitled, “ENHANCED OIL RECOVERY USING TREATMENT FLUIDS COMPRISING COLLOIDAL SILICA WITH A PROPPANT” was issued to Nissan Chemical America Corporation on March 2, 2021. The inventors are John Edmond Southwell from Glen Ellyn, Illinois (US), and Yusra Khan Ahmad from Friendswood, TX (US) and David Holcomb, Florence, AZ (US).


Provided herein are methods of increasing production from a hydrocarbon containing formation by adding a proppant to the formation, wherein a treatment fluid comprising a col­loidal silica nanoparticle is added to the formation before, during or after the time the proppant is added to the formation.

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