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.

Date of Patent:
Jan. 07, 2025

Filed:

Oct. 27, 2021
Applicant:

Bly Ip Inc., Salt Lake City, UT (US);

Inventors:

Anthony Lachance, Burlington, CA;

Andres MacLoughlin, Grange, AU;

Assignee:

Boart Longyear Company, Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 25/02 (2006.01); E21B 34/10 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 25/02 (2013.01); E21B 34/10 (2013.01); E21B 47/06 (2013.01); E21B 2200/04 (2020.05);
Abstract

A system can comprise a drill string sub that is configured to couple to a drill rod of a drill string, wherein the drill string sub defines a shoulder and at least one through hole. A plug assembly can be receivable with a bore of the drill. The plug assembly can be releasably coupled to the drill string sub. When decoupled from the drill string, the plug assembly can be configured to be pumped into the drill string. The plug assembly can comprise a distal subassembly that defines a receiver that is configured engage a reverse circulation overshot. A proximal subassembly can be coupled to the distal subassembly. The proximal subassembly can comprise a brake apparatus that is configured to inhibit proximal movement of the plug assembly.


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