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. 10, 2018
Filed:
Jul. 27, 2015
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventor:
Stephen Robert Holtz, Littleton, CO (US);
Assignee:
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/24 (2006.01); E21B 28/00 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
E21B 7/24 (2013.01); E21B 28/00 (2013.01); E21B 49/003 (2013.01);
Abstract
A drilling system includes a drill string extendable into a wellbore penetrating a subterranean formation. The subterranean formation exhibits a resonant frequency and a drill bit is coupled to a distal end of the drill string. A vibration sub is positioned within the drill string adjacent the drill bit for generating vibration stress waves at the drill bit, and the vibration stress waves exhibit a vibration frequency that approximates the resonant frequency.