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. 13, 2017

Filed:

Sep. 22, 2014
Applicant:

Schlumberger Technology Corporation, Houston, TX (US);

Inventors:

David R. Hall, Provo, UT (US);

Ronald B. Crockett, Payson, UT (US);

Marcus Skeem, Provo, UT (US);

Francis Leany, Salem, UT (US);

Casey Webb, Provo, UT (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01); E21B 10/42 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
E21B 10/43 (2013.01); E21B 10/42 (2013.01); E21B 10/55 (2013.01); E21B 2010/425 (2013.01);
Abstract

A fixed bladed drill bit has a working face that includes a plurality of blades converging at a center of the working face and diverging towards a gauge of the bit, each blade having a leading face and a trailing face, and at least one row of cutting elements disposed on at least one of the plurality of blades proximate to the leading face of the blade, where the row of cutting elements includes at least one pointed cutting element having a cutting end with a rounded apex and at least one shearing cutter. The at least one shearing cutter includes a first shearing cutter positioned proximate to a periphery of the working face.


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