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:
Feb. 25, 2020
Filed:
Feb. 05, 2018
Applicant:
Shear Bits, Ltd., Calgary, CA;
Inventors:
John James Herman, Cypress County, CA;
Carl M. Hoffmaster, Houston, TX (US);
Kenneth M. Nevlud, Tomball, TX (US);
Jason Kelley, Calgary, CA;
Shon Carey, Calgary, CA;
Assignee:
Shear Bits, Ltd., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 10/567 (2006.01); E21B 7/28 (2006.01); E21B 10/28 (2006.01);
U.S. Cl.
CPC ...
E21B 10/26 (2013.01); E21B 7/28 (2013.01); E21B 10/28 (2013.01); E21B 10/567 (2013.01);
Abstract
A reaming tool includes a reaming tool body configured to be coupled within a drill string or a string of drilling tools. A plurality of reaming blocks is attached to the reaming tool body at circumferentially spaced apart locations. Each reaming block comprises at least one row of shear cutters and gouging cutters, the gouging cutters in the at least one row disposed rotationally ahead of the shear cutters in the at least one row.