CPC C09K 8/05 (2013.01) [C09K 8/04 (2013.01); C09K 8/36 (2013.01); C09K 8/5045 (2013.01); C09K 8/845 (2013.01); C09K 8/92 (2013.01); C09K 2208/10 (2013.01)] | 17 Claims |
1. A method for completing a wellbore, the method comprising:
pumping a wellbore fluid into the wellbore, the wellbore fluid comprising:
an aqueous base fluid comprising a brine;
a plurality of nanoparticles suspended in the aqueous base fluid, wherein the nanoparticles are present in the wellbore fluid in an amount of 30 wt % to 60 wt % of the total weight of the wellbore fluid;
polyvinylpyrrolidone in an amount of 0.5 to 1.5 v % of the total weight of the wellbore fluid to lower a true crystallization temperature of the wellbore fluid;
a polymer viscosifier; and
bridging solid particles having an average size greater than or equal to about 1 μm; and
performing at least one completion operation while the wellbore fluid is in the wellbore.
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