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:
Nov. 28, 2023
Filed:
Dec. 17, 2019
Applicant:
Dril-quip, Inc., Houston, TX (US);
Inventor:
Jacob S. Warneke, Houston, TX (US);
Assignee:
Dril-Quip, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 23/03 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 23/03 (2013.01);
Abstract
A release mechanism for a mechanically locked wiper plug system is provided. The release mechanism may utilize a shifting sleeve to rotate or pivot a release.sub, thus: disengaging a load shoulder and releasing the plug system, in some embodiments, the plug system may be mechanically locked to a running tool via corresponding slotted load shoulders in the running tool and on a release sub. The release sub may be connected: to an actuation sleeve via shear screws. Furthermore, the actuation sleeve may contain a guide consisting of one or more helical slotted guides which interact with the release sub shear screws.