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:
May. 15, 2018

Filed:

Jan. 13, 2014
Applicants:

Danny Eugene Scott, Montgomery, TX (US);

Jimmy Wayne Eason, The Woodlands, TX (US);

David Alexander Curry, The Woodlands, TX (US);

Igor Yuri Konyashin, Huenfeld, DE;

Inventors:

Danny Eugene Scott, Montgomery, TX (US);

Jimmy Wayne Eason, The Woodlands, TX (US);

David Alexander Curry, The Woodlands, TX (US);

Igor Yuri Konyashin, Huenfeld, DE;

Assignees:

Element Six GmbH, , IE;

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/573 (2006.01); E21B 10/55 (2006.01); E21B 10/46 (2006.01); B01J 3/06 (2006.01); B24D 3/10 (2006.01); C22C 29/08 (2006.01); B24D 99/00 (2010.01); E21B 10/52 (2006.01); B22F 5/00 (2006.01);
U.S. Cl.
CPC ...
E21B 10/573 (2013.01); B01J 3/062 (2013.01); B24D 3/10 (2013.01); B24D 99/005 (2013.01); C22C 29/08 (2013.01); E21B 10/46 (2013.01); E21B 10/52 (2013.01); E21B 10/55 (2013.01); E21B 10/5735 (2013.01); B01J 2203/062 (2013.01); B01J 2203/0655 (2013.01); B01J 2203/0685 (2013.01); B22F 2005/001 (2013.01); Y10T 428/25 (2015.01);
Abstract

A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises cemented carbide material having a mean free path (MFP) characteristic of at least about 0.1 microns and at most about 0.7 microns; and an elastic limit of at least about 1.9 GPa.


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