ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,118, issued on April 21, was assigned to Weatherford Technology Holdings LLC (Houston).
"Pressure test plug" was invented by Brennan Thomas (Houston), Grant Andrews (Houston), Austin Albrecht (Houston) and Jose Salinas (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pumpable, pressure test plug is provided that has radial fins. The radial fins, which extend from the test plug, allow the plug to be pumped down a subterranean tubular string using a pumping fluid to move the test plug. The test plug is released from a wireline assembly prior to pumping the test plug down the tubular string. A seat is defined downhole in the tubular string to...