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. 14, 2016

Filed:

Oct. 28, 2013
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

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

Ronald B. Crockett, Provo, 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 10/55 (2006.01); E21B 10/567 (2006.01);
U.S. Cl.
CPC ...
E21B 10/5673 (2013.01); E21B 10/55 (2013.01);
Abstract

In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.


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