US Patent Issued to Baker Hughes Oilfield Operations on May 12 for "Adjustable gas spring tuned mass damper" (American, German Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,629, issued on May 12, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Adjustable gas spring tuned mass damper" was invented by Rocco DiFoggio (Houston) and Christian Fulda (Celle, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vibration in a drill string is damped with a damping system coupled to the drill string. The damping system includes a chamber, a gas and piston in the chamber, and a mass connected to the piston. The gas defines a spring having a spring coefficient that is dependent on a volume or temperature of the chamber. The damping system is tunable in real-time by varying the volume or temperature of the chamber...