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:
Jul. 02, 2019
Filed:
Jan. 06, 2017
Applicant:
Varel International Ind., L.p., Carrollton, TX (US);
Inventors:
Johnathan Walter Howard, Conroe, TX (US);
Matthew Charles Stroever, Spring, TX (US);
Sterling Robinson, Houston, TX (US);
Assignee:
VAREL INTERNATIONAL IND., L.P., Carrollton, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01); E21B 10/14 (2006.01); E21B 10/567 (2006.01);
U.S. Cl.
CPC ...
E21B 29/00 (2013.01); E21B 10/14 (2013.01); E21B 10/567 (2013.01);
Abstract
A hybrid bit for use in a wellbore includes: a body having a shank for connection to a drilling motor or drill pipe and a plurality of legs attached to the shank; and a plurality of cutting structures. The cutting structures include a roller cone mounted to a first one of the legs and a fixed mill mounted to a second one of the legs and including a pad dressed with a cermet material.