US Patent Issued to Halliburton Energy Services on March 25 for "Compensator piston for a shunt closure" (Texas Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,839, issued on March 25, was assigned to Halliburton Energy Services Inc. (Houston).

"Compensator piston for a shunt closure" was invented by Scott Crowley (Addison, Texas), Ryan M. Novelen (Carrollton, Texas) and Stephen Michael Greci (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Shunt closures with a compensating piston and methods of using the same. An example shunt closure includes a compensator piston disposed between an oil chamber and a piston chamber and configured to translate towards the piston chamber to allow for an increase in the volume of the oil chamber. The shunt closure also includes a piston coupling connected...