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:
May. 25, 2021
Filed:
Dec. 04, 2015
Applicant:
Smith International, Inc., Houston, TX (US);
Inventors:
Lynn Belnap, Spanish Fork, UT (US);
Stewart N. Middlemiss, Salt Lake City, UT (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/55 (2006.01); E21B 10/62 (2006.01); E21B 10/567 (2006.01); E21B 10/36 (2006.01);
U.S. Cl.
CPC ...
E21B 10/5673 (2013.01); E21B 10/36 (2013.01); E21B 10/55 (2013.01); E21B 10/567 (2013.01);
Abstract
An ultra-hard cutting element for use in a drill bit, such as a percussion drill bit, a rotary cone drill bit, a drag bit, or a reamer. The ultra-hard cutting element includes a base portion, an extension portion on an end of the base portion, and a lip on an outer surface of the extension portion. At least a portion of the outer surface of the extension portion includes an ultra-hard abrasive material. The ultra-hard abrasive material may be polycrystalline diamond or polycrystalline cubic boron nitride.