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:
Jun. 30, 2020

Filed:

Oct. 04, 2017
Applicant:

Baker Hughes, a GE Company, Llc, Houston, TX (US);

Inventors:

Steven Craig Russell, Sugar Land, TX (US);

Kenneth R. Evans, Spring, TX (US);

Oliver Matthews, Spring, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01); E21B 10/55 (2006.01); E21B 10/567 (2006.01); E21B 10/56 (2006.01);
U.S. Cl.
CPC ...
E21B 10/43 (2013.01); E21B 10/55 (2013.01); E21B 10/56 (2013.01); E21B 10/5673 (2013.01);
Abstract

An earth-boring tool comprising a body having first cutting elements mounted to an axially leading face, the first cutting elements each having a cutting face exposed to a height above the face of the body, the cutting faces of the first cutting elements back raked and facing a direction of intended rotation of the earth-boring tool. The earth-bring tool further comprises second cutting elements mounted to the axially leading face of the body adjacent first cutting elements in a cone region of the bit face, the second cutting elements each having a cutting face exposed to a height above the face of the body and configured for a shear-type cutting action, the cutting faces of the second cutting elements back raked to about a same or greater extent than the first cutting elements and generally facing the direction of intended rotation of the earth-boring tool.


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