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:
Nov. 01, 2011
Filed:
Dec. 19, 2008
Applicants:
Rudolf Carl Pessier, Galveston, TX (US);
Michael S. Damschen, Houston, TX (US);
Inventors:
Rudolf Carl Pessier, Galveston, TX (US);
Michael S. Damschen, Houston, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/00 (2006.01); E21B 10/43 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hybrid drill bit may have a bit body, at least one blade extending longitudinally and radially outward from the face, at least one rolling cutter assembly mounted on the bit body, at least one primary cutter, and at least one cutter set including a first cutter and a second cutter. The cutter set may be positioned to substantially follow the at least one primary cutter along the cutting path upon rotation of the bit body. At least one cutter of the cutter set may have a high side rake angle.