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:
Oct. 28, 2014
Filed:
Jul. 14, 2011
Applicant:
William Jani, Calgary, CA;
Inventor:
William Jani, Calgary, CA;
Assignee:
Sure Tech Tool Services Inc., Airdrie, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 43/26 (2006.01); E21B 33/134 (2006.01);
U.S. Cl.
CPC ...
E21B 33/134 (2013.01); E21B 43/26 (2013.01);
Abstract
A retrievable stimulation frac (retrievable stimulation frac) plug for a well casing having an elongate mandrel having a fluid flow bore, a check valve mandrel seal moveable between an open position and a closed position for selectively sealing the fluid flow bore, a sealing mechanism for sealing between the mandrel and the casing, and a locking mechanism for axially locking the retrievable stimulation frac plug in the casing.