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:
Oct. 22, 2024
Filed:
Apr. 29, 2022
Applicant:
International Directional Services Llc, Chandler, AZ (US);
Inventors:
Assignee:
INTERNATIONAL DIRECTIONAL SERVICES LLC, Chandler, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/046 (2006.01); E21B 4/02 (2006.01); E21B 7/06 (2006.01); E21B 10/02 (2006.01);
U.S. Cl.
CPC ...
E21B 17/0465 (2020.05); E21B 4/02 (2013.01); E21B 7/062 (2013.01); E21B 10/02 (2013.01);
Abstract
A directional core drilling includes an outer barrel assembly with at least one steering pad for orientating a drill bit within a hole and a drive barrel rotationally supported within the outer barrel assembly. An inner drive assembly is receivable within the outer barrel assembly and includes a torque latch assembly and an anti-rotation bearing assembly. The torque latch assembly includes latch arms configured to releasably couple a rotational drive input to the drive barrel. A core barrel is coupled to the anti-rotation bearing assembly and is rotationally fixed relative to the drive barrel.