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. 28, 2020

Filed:

Oct. 13, 2017
Applicant:

Downhole Technology, Llc, Houston, TX (US);

Inventors:

Evan Lloyd Davies, Houston, TX (US);

Duke Vanlue, Tomball, TX (US);

Yanan Hou, Houston, TX (US);

Liguo Li, Houston, TX (US);

David Hughes, Houston, TX (US);

Assignee:

The WellBoss Company, LLC, Houston, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/01 (2006.01); C08L 63/00 (2006.01); C08K 3/34 (2006.01); C08K 7/20 (2006.01); E21B 33/124 (2006.01); E21B 33/128 (2006.01); E21B 33/129 (2006.01); E21B 33/134 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
C08L 63/00 (2013.01); C08K 3/346 (2013.01); C08K 7/20 (2013.01); E21B 23/01 (2013.01); E21B 33/124 (2013.01); E21B 33/128 (2013.01); E21B 33/1293 (2013.01); E21B 33/134 (2013.01); E21B 33/12 (2013.01);
Abstract

A downhole tool suitable for use in a wellbore, the tool comprising a hybrid sleeve in the form of a mandrel sleeve; and a sleeve insert disposed within the mandrel sleeve. The tool further includes a first slip disposed about the mandrel sleeve; and a second slip disposed about the mandrel sleeve and proximate to a conical surface. There is a lower sleeve proximate to the second slip. At least a portion of the sleeve insert is radially laterally proximate to a sealing element disposed around the mandrel.


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