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:
Jul. 18, 2017

Filed:

Jul. 29, 2014
Applicant:

Nustar Technologies Pte Ltd, Singapore, SG;

Inventors:

Ah Chai Lim, Singapore, SG;

Chamal Jayanath Seneviratne, Singapore, SG;

Kyaw Thet, Singapore, SG;

Kim Kok Goi, Singapore, SG;

Nur Adlina Binte Suhaimi, Singapore, SG;

Sim Guan Teo, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/02 (2006.01); E21B 33/035 (2006.01); E21B 33/12 (2006.01); E21B 34/04 (2006.01);
U.S. Cl.
CPC ...
E21B 33/035 (2013.01); E21B 33/12 (2013.01); E21B 34/04 (2013.01);
Abstract

A wellhead plug and a method for using a wellhead plug are presented. The ahead plug includes a plug body having at least a locking module, multiple sealing members, and a threaded connection tool. The wellhead plug according to the present disclosure offers multiple advantages over existing technologies. For example, the device may serve duplex roles as a wellhead pressure plug and/or a connection test tool. The device may, for example, serve as a blowout preventer (BOP) connection test tool, as well as an emergency drill pipe hang off tool (EDPHOT). This Abstracts submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.


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