US Patent Issued to Performance Pulsation Control on Feb. 10 for "Drill string-connected protection from borehole pulsation energies" (Texas Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,171, issued on Feb. 10, was assigned to Performance Pulsation Control Inc. (Richardson, Texas).

"Drill string-connected protection from borehole pulsation energies" was invented by John Thomas Rogers (Garland, Texas) and Cersten Jantzon (Kingwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pulsation dampening device includes a body having an upper connection end and a lower connection end, each connection end adapted to connect the body to connectors for a drill string pipe segment that are part of one of a top drive, a lower Kelly valve, a saver sub, drill string sub, a drill string pipe and a bottom hole assembly. Flow restriction is p...