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:
Apr. 27, 2021
Filed:
May. 28, 2020
Applicant:
National Oilwell Dht, L.p., Conroe, TX (US);
Inventor:
Jeffery Ronald Clausen, Tulsa, OK (US);
Assignee:
NATIONAL OILWELL DHT, L.P., Conroe, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/14 (2006.01); E21B 10/20 (2006.01); E21B 10/16 (2006.01); E21B 10/50 (2006.01);
U.S. Cl.
CPC ...
E21B 10/14 (2013.01); E21B 10/16 (2013.01); E21B 10/20 (2013.01); E21B 10/50 (2013.01);
Abstract
Drill bits and methods relating thereto are disclosed. In an embodiment, the drill bit includes a body having a plurality of legs each having a lower section that has a leading surface and a trailing surface. A plurality of cone cutters are each rotatably mounted to the lower section of one of the legs, each having a cone axis, and including a first plurality of cutter elements arranged about the cone axis such that each is shear the formation when the body is rotated about the bit axis.