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:
Feb. 11, 2020
Filed:
Jul. 17, 2015
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Seth Garrett Anderle, Spring, TX (US);
Gregory Grosz, Magnolia, TX (US);
Assignee:
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/14 (2006.01); E21B 10/43 (2006.01); E21B 10/10 (2006.01); E21B 10/18 (2006.01);
U.S. Cl.
CPC ...
E21B 10/14 (2013.01); E21B 10/10 (2013.01); E21B 10/43 (2013.01); E21B 10/18 (2013.01);
Abstract
A hybrid drill bit includes both fixed cutting elements and rotational cutting elements thereon. The fixed cutting elements are affixed to a bit body and define a peripherally-located fixed cutting structure disposed radially outward of the rotational cutting elements. The rotational cutting elements define a centrally-located counter-rotational cutting structure including two hemispherical counter-rotational cutting members mounted for counter-rotation with respect to one another on an axis generally perpendicular to a bit body rotational axis.