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.

Date of Patent:
Oct. 14, 2014

Filed:

Aug. 30, 2011
Applicants:

Partha Ganguly, Sugar Land, TX (US);

Michael Huh, Alvin, TX (US);

Jake Danos, Houston, TX (US);

Bryan Stamm, Houston, TX (US);

Inventors:

Partha Ganguly, Sugar Land, TX (US);

Michael Huh, Alvin, TX (US);

Jake Danos, Houston, TX (US);

Bryan Stamm, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); E21B 43/14 (2006.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); E21B 43/14 (2013.01);
Abstract

Systems and methods for fracturing multiple zones in a wellbore. A first port in a first valve assembly can be opened with a shifting tool. A fluid flows through the first port to fracture a first zone, and the first port can be closed with the shifting tool after the first zone has been fractured. A second port can be opened in a second valve assembly with the shifting tool after the first port has been closed, wherein the second valve assembly is positioned below the first valve assembly. The fluid can flow through the second port to fracture a second zone, and the second port can be closed with the shifting tool after the second zone has been fractured.


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