US Patent Issued to Schlumberger Technology on March 31 for "Drilling tool having pre-fabricated components" (Texas Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,494, issued on March 31, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Drilling tool having pre-fabricated components" was invented by Youhe Zhang (Spring, Texas), Mingdong Cai (Cypress, Texas), Sudarsanam Chellappa (Houston), Huimin Song (Spring, Texas) and Ting Ren (Conroe, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed drill tools have metal matrix composite (MMC) or steel alloy bodies that are formed around one or more pre-fabricated components using either a casting or infiltration process. The pre-fabricated components are made of sintered, infiltrated, and/or cemented particles of an ultrahard materi...