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:
Apr. 21, 2025

Filed:

Jul. 25, 2023
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Rae Younger, Aberdeenshire, GB;

Richard Mark Pye, Aberdeenshire, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/02 (2005.12); E21B 33/134 (2005.12);
U.S. Cl.
CPC ...
E21B 23/02 (2012.12); E21B 33/134 (2012.12);
Abstract

A system including a plug with a first end connected to a lower drill string and a second end connected to an upper drill string. The plug further includes a sealing element configured to seal against a reservoir pressure that is downhole from the plug, and an anchoring element configured to releasably couple the plug to a wellbore to disallow an axial movement of the plug in the wellbore. The plug is configured to couple to a retrieving tool. The retrieving tool includes a first engagement element configured to release the anchoring element, thereby allowing axial movement of the plug and retrieval of the upper drill string in order to shut in the wellbore.


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