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:
Oct. 10, 2017
Filed:
Jan. 30, 2015
Applicant:
Baker Hughes Incorporated, Houston, TX (US);
Inventors:
Don Q. Nguyen, Houston, TX (US);
Carl E. Poteet, Houston, TX (US);
Eric C. Sullivan, Houston, TX (US);
John F. Bradford, The Woodlands, TX (US);
Mark P. Blackman, Spring, TX (US);
Alan J. Massey, Houston, TX (US);
Gregory L. Ricks, Houston, TX (US);
Assignee:
BAKER HUGHES INCORPORATED, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/08 (2006.01); B23K 33/00 (2006.01); B23K 31/02 (2006.01); E21B 10/14 (2006.01); E21B 10/20 (2006.01);
U.S. Cl.
CPC ...
B23K 31/02 (2013.01); E21B 10/14 (2013.01); E21B 10/20 (2013.01);
Abstract
A method of improving the service life of a drill bit comprises creating a weldment between load bearing portions of the drill bit where the weldment has a preselected root gap greater than about 25 mils and a preselected root face greater than about 25 mils, and where the weldment has a material property greater than the materials being joined.