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:
Feb. 23, 2010

Filed:

Dec. 21, 2006
Applicants:

Dewayne Turner, Tomball, TX (US);

Marvin Bryce Traweek, Houston, TX (US);

Richard J. Ross, Houston, TX (US);

Inventors:

Dewayne Turner, Tomball, TX (US);

Marvin Bryce Traweek, Houston, TX (US);

Richard J. Ross, Houston, TX (US);

Assignee:

BJ Services Company, U.S.A., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01); E21B 43/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An isolation system for producing oil and gas from one or more formation zones and methods of use are provided comprising one or more pressure activated and tool shiftable valve assemblies. The tool shiftable valve may be actuated before or after actuation of the pressure activated valve.


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