ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,043, issued on June 10, was assigned to Halliburton Energy Services Inc. (Houston).

"Hydrolock nozzle" was invented by Kevin C. Clark (Conroe, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole system may include a downhole drill bit having at least one nozzle bore and a nozzle insert secured at least partially within the at least one nozzle bore. The nozzle insert may include a first radially outer sealing surface sealed against a first inner surface of the nozzle bore via a first seal feature, a second radially outer sealing surface sealed against a second inner surface of the nozzle bore via a second seal feature, and an annular thre...