ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,618, issued on Dec. 9, was assigned to Baker Hughes Oilfield Operations LLC (Houston).
"Delayed opening side pocket mandrel" was invented by Donavan Brown (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A side pocket mandrel for use in a gas lift system is configured to improve the recovery of petroleum fluids from a well, where the gas lift system is surrounded by an annular space within the well. The side pocket mandrel includes a central bore extending through the side pocket mandrel, a side pocket tube laterally offset from the central bore, a port that extends from the side pocket tube to the annular space, and a single actuation valve i...