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:
Nov. 12, 2019

Filed:

Jun. 24, 2016
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Graham Farquhar, Turriff, GB;

Max Ogilvie, Aberdeen, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/128 (2006.01); E21B 23/06 (2006.01); E21B 33/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/128 (2013.01); E21B 23/06 (2013.01); E21B 33/12 (2013.01); E21B 33/1208 (2013.01); E21B 33/1216 (2013.01); E21B 2033/005 (2013.01);
Abstract

A packing element and a sealing element is disclosed. The packing element includes a sealing element positioned on an outer surface of a mandrel deployed in the wellbore, where the sealing element is disposed in an annulus between the mandrel and a portion of the wellbore. The sealing element includes a first cavity on an inner surface of the sealing element, where the first cavity has a first size and is positioned proximate a first end of the sealing element. The sealing element also includes a second cavity on the inner surface of the sealing element, where the second cavity has a second size that is different from the first size, and is positioned proximate a second end of the sealing element. The packing element also includes a first and second gauge rings positioned at first and second ends of the sealing element, respectively.


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