US Patent Issued to Halliburton Energy Services on Sept. 2 for "Environmentally acceptable wellbore stability additive" (Texas Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,440, issued on Sept. 2, was assigned to Halliburton Energy Services Inc. (Houston).

"Environmentally acceptable wellbore stability additive" was invented by Jay Deville (Houston), Preston May (Houston), Jeffrey J Miller (Houston), Miren Aranzazu Castanares (Houston) and William W Shumway (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A treatment fluid can include a base fluid and a stabilizing additive. The stabilizing additive can include a plurality of environmentally acceptable nanoparticles. The particle size distribution of the plurality of nanoparticles can be selected such that the nanoparticles stabilize a wellbore wall of a subterr...