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:
Oct. 19, 2021

Filed:

Sep. 29, 2019
Applicant:

Shale Oil Tools, Llc, Rosenberg, TX (US);

Inventor:

Brian Kennedy, Sugar Land, TX (US);

Assignee:

Shale Oil Tools, LLC, Rosenberg, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); E21B 33/12 (2006.01); E21B 34/14 (2006.01); E21B 34/10 (2006.01); E21B 29/02 (2006.01);
U.S. Cl.
CPC ...
E21B 34/063 (2013.01); E21B 29/02 (2013.01); E21B 33/1208 (2013.01); E21B 34/103 (2013.01); E21B 34/14 (2013.01);
Abstract

A delayed opening sliding sleeve system includes a first sleeve that prevents initiating the dissolution or erosion of a dissolvable or erodible retainer. The first sleeve is opened by a pressure cycle to expose or otherwise initiate the dissolution of a retainer. The retainer holds a second sleeve in place. The second sleeve is held closed against subsequent pressure cycles until such time as the retainer is dissolved or otherwise removed. With the retainer removed the second sleeve may be opened allowing fluid communication between the exterior and the interior of the sleeve system.


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Kennedy, Brian. (2021). Downhole sleeve with dissolvable release (U.S. Patent No. 11149521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11149521

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