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:
Apr. 01, 2025
Filed:
May. 16, 2023
Applicant:
The Wellboss Company, Inc., Calgary, CA;
Inventors:
Chad Michael Erick Gibson, The Woodlands, TX (US);
Derek Slater Payne, Katy, TX (US);
Assignee:
The WellBoss Company, Inc., Calgary, CA;
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); E21B 23/00 (2006.01); E21B 33/12 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); E21B 23/004 (2013.01); E21B 33/12 (2013.01); E21B 34/06 (2013.01);
Abstract
A plugging device for use in multistage fracturing a subterranean formation. The plugging device includes a plug body having a distal end, a proximate end, and an outer surface. There are a plurality of grooves disposed on the outer surface, and an index sleeve movingly disposed on the outer surface, the index sleeve configured to engage the plurality of grooves. The index is incrementable with respect to the plurality of grooves from the distal end toward the proximate end.