ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,032, issued on Nov. 25, was assigned to Halliburton Energy Services Inc. (Houston).
"Wellbore stability compositions comprising nanoparticles" was invented by Jay Deville (Houston), Preston May (Houston), Jeffrey J. Miller (Houston) and William W. Shumway (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compositions comprising nanoparticle additives for use in drilling and treatment fluid compositions are provided. In some embodiments the present disclosure includes providing a treatment fluid including an aqueous base fluid, a nanoparticle additive, and a viscosifier; introducing the treatment fluid into at least a portion of a s...