ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,609, issued on Sept. 8, was assigned to WILDCAT OIL TOOLS LLC (Midland, Texas).

"Perforator tool" was invented by Jaime Espinoza (Floresville, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A perforator tool including perforation nozzles, and bypass holes connecting to a bypass flow channel is disclosed. The perforator tool includes a first piston and a second piston positioned within the tubular body. The second piston positions below the first piston. A mixture of water, a chemical additive, and sand is introduced via an inlet to flow out through an outlet via the first piston and the second piston defining a first flow path. Further, a firs...