The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 2023
Filed:
Sep. 11, 2020
Volker Peters, Niedersachsen, DE;
Hanno Reckmann, Nienhagen, DE;
Andreas Hohl, Hannover, DE;
Armin Kueck, Bremen, DE;
Christian Herbig, Celle Lower Saxony, DE;
Dennis Heinisch, Lachendorf, DE;
Mathias Tergeist, Osnabrueck, DE;
Sui-long Lam, Lower-Saxony, DE;
Vincent Kulke, Lower-Saxony, DE;
Volker Peters, Niedersachsen, DE;
Hanno Reckmann, Nienhagen, DE;
Andreas Hohl, Hannover, DE;
Armin Kueck, Bremen, DE;
Christian Herbig, Celle Lower Saxony, DE;
Dennis Heinisch, Lachendorf, DE;
Mathias Tergeist, Osnabrueck, DE;
Sui-Long Lam, Lower-Saxony, DE;
Vincent Kulke, Lower-Saxony, DE;
BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US);
Abstract
Systems and methods for damping torsional oscillations of downhole systems are described. The systems include a downhole drilling system disposed at an end of the downhole system in operative connection with a drill bit. A damping system is installed on the downhole drilling system, the damping system having at least one damper element configured to dampen at least one HFTO mode. At least one mode-shape tuning element is arranged on the drilling system. The at least one mode-shape tuning element is configured and positioned on the drilling system to modify at least one of a shape of the HFTO mode, a frequency of the HFTO mode, an excitability of the HFTO mode, and a damping efficiency of the at least one damper element.