US Patent Issued to Weatherford Technology Holdings on June 23 for "Nanoparticles and absorbent polymer wellbore cleanout compositions and methods of use thereof" (American, Mexican Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,618, issued on June 23, was assigned to Weatherford Technology Holdings LLC (Houston).

"Nanoparticles and absorbent polymer wellbore cleanout compositions and methods of use thereof" was invented by Marieliz Garcia Lopez De Victoria (Sugar Land, Texas), Francisco E. Fragachan (Katy, Texas) and Edgar Dario Amaya Mantilla (Villahermosa Tabasco, Mexico).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for wellbore cleanout operations may comprise introducing a wellbore cleanout fluid through one or more conduits into a wellbore, the cleanout fluid comprising an aqueous base fluid, an absorbent polymer, and a lubricant; wherein the lubricant compri...