ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,688, issued on June 16, was assigned to Park City Drilling Technologies LLC.
"Pack system for a downhole assembly" was invented by Joe Ficken (Casper, Wyo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pack system for a downhole assembly is provided. One end of the pack system is connected to a drill bit for drilling a wellbore, the other end of the pack system interfaces with a motor to receive torque. The pack system described herein has a simple design that reduces the number of parts, eliminates some seals and shims, and relies on a portion of drilling mud for lubrication. As a result, wear on parts of the system is greatly reduced and the lo...