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.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
Oct. 23, 2023
Applicant:
The Wellboss Company, Inc., Calgary, CA;
Inventor:
Derek Slater Payne, Katy, TX (US);
Assignee:
The WellBoss Company, Inc., Calgary, CA;
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01); E21B 43/14 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); E21B 34/14 (2013.01); E21B 2200/06 (2020.05);
Abstract
A downhole system for multistage fracturing having at least a first cluster of valves. The first cluster of valves has a frac valve. The first cluster of valves also has a flex valve. A single plugging device is operable to pass through all of the valves of the first cluster of valves and leave all of them closed.