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:
Mar. 09, 2010

Filed:

Dec. 21, 2006
Applicants:

Thomas D. Macdougall, Sugar Land, TX (US);

Nihat Ovutmen, Sugar Land, TX (US);

Mark Fraker, Houston, TX (US);

Qing Yao, Pearland, TX (US);

Donald Ross, Houston, TX (US);

Inventors:

Thomas D. MacDougall, Sugar Land, TX (US);

Nihat Ovutmen, Sugar Land, TX (US);

Mark Fraker, Houston, TX (US);

Qing Yao, Pearland, TX (US);

Donald Ross, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for use in a well includes plural flow control devices to control fluid flow in respective zones of the well, where each of at least some of the flow control devices includes a membrane having a permeable material to provide a flow restriction. The membranes of the at least some flow control devices have different permeabilities to provide corresponding different flow restrictions.


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