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:
Sep. 29, 2015
Filed:
Dec. 16, 2013
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Bala Durairajan, Sugar Land, TX (US);
Dwayne P. Terracina, Spring, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
E21B 10/43 (2013.01); E21B 10/55 (2013.01);
Abstract
A drill bit for drilling a borehole in an earthen formation includes a first blade having a cutter-supporting surface. The cutting profiles of cutting faces of primary cutter elements mounted to the cutter-supporting surface define an outermost cutting profile Pin rotated profile view. A stabilizing member may be included, having an end distal the cutter-supporting surface including a tip. The tip may be offset from the outermost cutting profile Pin rotated profile view.