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:
Feb. 19, 2019
Filed:
Jan. 23, 2015
Applicant:
Packers Plus Energy Services, Inc., Calgary, CA;
Inventors:
Kevin O. Trahan, The Woodlands, TX (US);
Justin B. Johnson, The Woodlands, TX (US);
Jabian P. Trahan, Humble, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/10 (2006.01); E21B 43/26 (2006.01); E21B 43/14 (2006.01); E21B 34/14 (2006.01); E21B 34/00 (2006.01); E21B 23/00 (2006.01); E21B 23/02 (2006.01);
U.S. Cl.
CPC ...
E21B 34/10 (2013.01); E21B 23/006 (2013.01); E21B 23/02 (2013.01); E21B 34/102 (2013.01); E21B 34/103 (2013.01); E21B 34/14 (2013.01); E21B 43/14 (2013.01); E21B 43/26 (2013.01); E21B 2034/007 (2013.01);
Abstract
A tubing string ported sub including a valve covering the port that can be opened by a pressure differential established across the valve. The valve includes an exposed portion that can be engaged to mechanically shift the valve.