ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,861, issued on Oct. 21, was assigned to FMC Technologies Inc. (Houston).
"Seal gland assembly for a valve in a tubing hanger" was invented by David Zollo (Spring, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for providing and energizing a seal gland assembly on a valve in a tubing hanger are described. A seal gland assembly comprising a first seal, a second seal, and a third seal is provided in a seal gap formed longitudinally between a spacer and a seal prep of tubing hanger threads and laterally between a bore wall of the tubing hanger and a sidewall of the valve. As the valve is threaded into the tubing hanger, the sea...