ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,367, issued on Nov. 25.
"Downhole tool, method, and system" was invented by Erik Nordenstam (The Woodlands, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool, including first and second sections, the second section being rotatable relative to the first section, a lock sleeve attached to the first and second sections, the lock sleeve being unlockable by application of a threshold torque acting between the first section and the second section. A positive displacement motor assembly, including a housing, a power section, and a stator, a drive sub connected to the rotor, and a lock sleeve nonrotatably attached to the housing and to th...