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:
Jun. 04, 2019

Filed:

Mar. 23, 2017
Applicant:

Christopher A. Branton, Benton, LA (US);

Inventor:

Christopher A. Branton, Benton, LA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 23/01 (2006.01); E21B 33/129 (2006.01); E21B 33/128 (2006.01); E21B 33/134 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1293 (2013.01); E21B 23/01 (2013.01); E21B 33/1204 (2013.01); E21B 33/128 (2013.01); E21B 33/134 (2013.01);
Abstract

Downhole bridge plugs may include a mandrel; at least one sealing element provided on the mandrel; at least one backup ring provided on the mandrel on at least one side of the at least one scaling element; and a pair of pressure-applying elements provided on the mandrel on respective sides of the at least one sealing element and the at least one backup ring, respectively. Each of the pair of pressure-applying elements may include a cone and a slip assembly engaging the cone. The slip assembly may have a reinforcing ring which may include a ring wall, a plurality of ring ridges protruding from the ring wall and a plurality of ring grooves between the plurality of ring ridges. A mandrel cap may engage one of the pair of pressure-applying elements. Backup rings for downhole bridge plugs and methods of fabricating a reinforcing ring of a pressure-applying element for a downhole bridge plug are also disclosed.


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