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. 02, 2018
Filed:
May. 08, 2012
Applicants:
Daniel Jon Themig, Calgary, CA;
Robert Joe Coon, Missouri City, TX (US);
Inventors:
Daniel Jon Themig, Calgary, CA;
Robert Joe Coon, Missouri City, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); E21B 34/14 (2006.01); E21B 21/10 (2006.01); E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
E21B 33/146 (2013.01); E21B 21/103 (2013.01); E21B 33/14 (2013.01); E21B 34/10 (2013.01); E21B 34/103 (2013.01); E21B 34/14 (2013.01);
Abstract
A stage tool and a method for stage cementing a wellbore annulus. The method includes: running into a wellbore toward bottom hole with a tubing string to a position in the wellbore; setting the tubing string in the wellbore to create the wellbore annulus between the tubing string and a wall of the wellbore; opening a cementing port through a side pocket structure positioned alongside the tubing string; pumping cement through the cementing port; and closing the cementing port to hold the cement in the annulus.