ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,302, issued on Feb. 17, was assigned to Halliburton Energy Services Inc. (Houston).

"Electrical downhole backdrivable (EDB) actuator" was invented by Jefferson Koloda dos Santos (Rio de Janeiro, Brazil), Samuel Amora Alves Neto (Rio de Janeiro, Brazil) and Sanjay Kanwarlal (Rio de Janeiro, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of a bi-directional overrunning clutch and an electric downhole backdrivable actuator are disclosed. In one embodiment, an actuator is coupled with a target mechanism positioned downhole, the actuator comprising: a housing; a motor; a dynamic sealing system; a ball screw and ball nut; and an engagem...