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:
Jan. 13, 2015
Filed:
Sep. 12, 2011
Applicants:
Christopher Denis Desranleau, Sherwood Park, CA;
Daniel Jon Themig, Calgary, CA;
Cameron Radtke, Mahooz, BH;
Ryan Fredrick Addy, Leduc, CA;
Inventors:
Christopher Denis Desranleau, Sherwood Park, CA;
Daniel Jon Themig, Calgary, CA;
Cameron Radtke, Mahooz, BH;
Ryan Fredrick Addy, Leduc, CA;
Assignee:
Packers Plus Energy Services Inc., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); E21B 34/14 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 34/14 (2013.01); E21B 2034/007 (2013.01);
Abstract
A wellbore tubular port closure system includes a mechanism to delay the opening of the port the port closure has been actuated to open. A port opening delay mechanism configured to act after actuation of the pressure responsive mechanism to delay full movement of the port-closure to the port-open position until after a selected time has lapsed.