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.

Date of Patent:
Aug. 22, 2017

Filed:

Sep. 06, 2013
Applicant:

Baker Hughes Incorporated, Houston, TX (US);

Inventors:

Mario Moreno, II, Spring, TX (US);

James D. Enterline, The Woodlands, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/32 (2006.01); E21B 10/26 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 10/32 (2013.01); E21B 10/26 (2013.01); E21B 17/1092 (2013.01);
Abstract

A downhole tool configured to enlarge a borehole may include at least one blade extending laterally from a central portion of the tool. The one or more blades may each include a gage portion, and cutting elements comprising substantially circular cutting faces may be affixed to each of the one or more blades. Each of the one or more cutting elements may include a cutting edge comprising an arcuate peripheral cutting face portion for contacting the borehole. Cutting faces of at least one cutting element on a gage portion of the at least one blade may exhibit a cutting face back rake angle greater than a cutting face back rake angle of cutting elements on at least one other portion of the at least one blade.


Find Patent Forward Citations

Loading…