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. 29, 2019
Filed:
May. 12, 2015
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Marcel Budde, Vlaardingen, NL;
Mark Baas, Schiedam, NL;
Norman Vladimir Parra Mayorga, Vlaardingen, NL;
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01); E21B 34/14 (2006.01); E21B 34/06 (2006.01); E21B 34/12 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/10 (2013.01); E21B 34/063 (2013.01); E21B 34/12 (2013.01); E21B 34/14 (2013.01); E21B 2034/007 (2013.01);
Abstract
A closure device is provided to close a surge pressure reduction tool disposed in a deviated wellbore. The closure device may include a tubular body, a fin, and a rupture disk disposed in the tubular body. The closure device may be pumped downhole to close the tool.