ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,879, issued on Oct. 28, was assigned to Reach Wireline LLC (Fort Worth, Texas).
"Perforating gun and method of using same" was invented by John P. Roach (Fort Worth, Texas), Daniel Tollefson (Fort Worth, Texas), Chris Payson (Fort Worth, Texas) and Jerred Smith (Fort Worth, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A perforating gun includes a charge tube, a switch carrier body, and a pin contact spacer. The switch carrier body houses an addressable switch, a spring tube which holds a spring, a detonation block, a removable interrupter, and a pin contact spacer supporting a pin contact assembly. The spring biases a switch contact terminal...