ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,851, issued on March 17, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).
"Wellbore flow control valve and method" was invented by Serhiy Arabskyy (Leduc, Canada) and Andrew Barabash (Edmonton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Assemblies and methods are provided for a sleeve assembly for controlling communication with a downhole formation having a sleeve housing with one or more flow ports slidably retaining a sleeve, the sleeve having one or more treatment ports. The sleeve is configured to slide between an uphole closed position, in which the one or more flow ports are blocked by the sleeve, and a do...