ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,828, issued on March 3, was assigned to Halliburton Energy Services Inc. (Houston).
"Hybrid drive systems for well stimulation operations" was invented by Timothy Holiman Hunter (Duncan, Okla.), Stanley Vernon Stephenson (Duncan, Okla.) and Billy Don Coskrey (Duncan, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with presently disclosed embodiments, a hybrid drive system that uses multiple sources of mechanical energy to drive a pump is provided. The hybrid drive system may include a first mover for generating first mechanical energy, a pump, a drivetrain for providing first mechanical energy from the first mover to the pump, an...