Nouveaux fluides de forage contenant des nanoparticules pour attenuer la perte de fluide

Novel nanoparticle-containing drilling fluids to mitigate fluid loss

Abstract

The present invention is directed to a well fluid, and in particular a drilling fluid having low amounts of nanoparticles which act as fluid loss material for reducing fluid loss in an underground formation. The fluid is a nanoparticle- containing well fluid comprising a base fluid and about 5 wt% or less nanoparticles, for preventing or reducing fluid loss to an underground formation, wherein the well fluid is a drilling fluid, kill fluid, completion fluid, or pre-stimulation fluid. The invention also includes in situ and ex situ methods of forming the nanoparticles.

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