US Patent Issued to NATIONAL OILWELL VARCO on April 21 for "Drill bits for drilling subterranean boreholes and mechanically locked cutter elements for same" (Texas Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,073, issued on April 21, was assigned to NATIONAL OILWELL VARCO LP (Houston).

"Drill bits for drilling subterranean boreholes and mechanically locked cutter elements for same" was invented by Richard J. Sauvageau (Conroe, Texas) and Richard Rivera Jr. (Conroe, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutter element assembly for a fixed cutter drill bit includes a cutter element carrier having a central axis, a first end, a second end opposite the first end, and a receptacle extending axially from the first end. The cutter element assembly also includes a cutter element having a central axis, a first end, and a second end opposite the ...