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:
Aug. 30, 2022
Filed:
Oct. 20, 2015
Applicant:
Baker Hughes, a GE Company, Llc, Houston, TX (US);
Inventor:
Mitchell Rothe, Montgomery, TX (US);
Assignee:
Baker Hughes Holdings LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/14 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
E21B 10/14 (2013.01); E21B 10/60 (2013.01);
Abstract
A hybrid rotary drill bit having at least one fixed blade and at least one rolling cutter assembly is configured for reverse fluid flow from an annulus, through junk slots and into a fluid pathway system located substantially centrally to a bit body. The fluid pathway system may be located underneath a portion of the at least one fixed blade.