ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,370, issued on Aug. 12, was assigned to Endurance Lift Solutions LLC (Gainesville, Texas).
"Plunger lift with a variable flow mechanism" was invented by Jack Rogers (Kemah, Texas), Travis Bayer (Conroe, Texas) and Ryan Gernentz (Stanton, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plunger for use in an oil or gas well that includes a mandrel and a hollow body with radial directed ports disposed therein. The plunger also includes a variable flow mechanism that can be adjusted to achieve a desired fall rate for the plunger for a particular oil and gas operation. A method of lifting fluids from an oil and gas well using the plunger includes ...