US Patent Issued to NATIONAL OILWELL VARCO on March 24 for "Drill bit compact and method including graphene" (American, British Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,199, issued on March 24, was assigned to NATIONAL OILWELL VARCO LP (Houston).

"Drill bit compact and method including graphene" was invented by Biju P. Kumar (Houston), Richard Rivera Jr. (Conroe, Texas), Tom Scott Roberts (Montgomery, Texas), Brad Ivie (Hamilton, Mont.) and Richard Jordan (Gloucestershire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polycrystalline composite tool component and associated methods are disclosed. In one example plurality of diamond particles are coated with a conforming catalyst metal coating and a plurality of graphene particles. Various asymmetric distributions of graphene particles are shown tha...