ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,637, issued on Aug. 26, was assigned to Halliburton Energy Services Inc. (Houston).
"Identifying bit wear and justifying bit trip" was invented by Yonggui Guo (Houston), Shilin Chen (Conroe, Texas) and Dale E. Jamison (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method performed while drilling a wellbore in a subsurface formation with a drill bit. The method comprises obtaining sonic logs of the subsurface formation proximate the drill bit. The method comprises determining mechanical specific energy based on drilling parameters. The method comprises comparing respective trends of the sonic logs and the mechanical specific energy of the ...