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.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Dec. 11, 2016
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Jeffrey Bruce Lund, Salt Lake City, UT (US);
Sharlynn Davis, Provo, UT (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 18/00 (2006.01); B24D 99/00 (2010.01); E21B 10/573 (2006.01); B22F 3/14 (2006.01); C22C 29/06 (2006.01); C22C 1/02 (2006.01); C22C 29/08 (2006.01); B22F 5/00 (2006.01); B22F 7/08 (2006.01); E21B 10/50 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
B24D 18/0009 (2013.01); B22F 3/14 (2013.01); B22F 5/00 (2013.01); B22F 7/08 (2013.01); B24D 99/005 (2013.01); C22C 1/02 (2013.01); C22C 29/06 (2013.01); C22C 29/08 (2013.01); E21B 10/5735 (2013.01); B22F 2005/001 (2013.01); B22F 2302/10 (2013.01); B22F 2302/406 (2013.01); E21B 10/50 (2013.01); E21B 10/55 (2013.01);
Abstract
Polycrystalline diamond constructions comprise a diamond body attached with a substrate during high pressure/high temperature processing, and include a modified reaction zone interposed between the body and substrate that is engineered to minimize or eliminate unwanted back diffusion of carbon from the diamond body into the substrate during the high pressure/high temperature processing.