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:
Dec. 12, 2023
Filed:
Oct. 06, 2015
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Stephanie Dianne Wind, Houston, TX (US);
James Frederick Wilkin, Sherwood Park, CA;
Douglas Brian Farley, Missouri City, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/12 (2006.01); E21B 34/14 (2006.01); E21B 33/04 (2006.01); E21B 33/14 (2006.01);
U.S. Cl.
CPC ...
E21B 34/12 (2013.01); E21B 33/146 (2013.01); E21B 34/142 (2020.05); E21B 33/14 (2013.01); E21B 2200/06 (2020.05);
Abstract
A method of closing a stage tool in a wellbore includes releasing a closing tube into the wellbore; attaching the closing tube to the stage tool; and expanding the closing tube, thereby closing a port of the stage tool.