ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,909, issued on May 27, was assigned to Weatherford Technology Holdings LLC (Houston).
"Synchronized actuator having multiple motors for downhole well tool" was invented by Nauman H. Mhaskar (Houston), Don A. Hopmann (Alvin, Texas) and Sebastiaan J. Wolters (Kingwood, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool, such an interval control valve, for use in a well has multiple motors and two drive assemblies to displace a yoke. A member, such as a sliding sleeve, of the downhole tool is connected to the yoke and can be actuated in response to the displacement of the yoke. The drive assemblies include first and second rotatable s...