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:
Sep. 19, 2006

Filed:

May. 17, 2002
Applicants:

Ana M. Castano-mears, Coppell, TX (US);

John C. Gano, Carrollton, TX (US);

Ralph H. Echols, Dallas, TX (US);

Inventors:

Ana M. Castano-Mears, Coppell, TX (US);

John C. Gano, Carrollton, TX (US);

Ralph H. Echols, Dallas, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

An expandable well screen provides increased collapse, torsional and tensile strength. In a described embodiment, an expandable well screen includes a generally tubular base pipe and an external filtering media. The well screen is configured to have sufficient torsional and tensile strength for conveyance and positioning in a wellbore, while also having sufficient strength to prevent collapse when the screen is radially expanded.


Find Patent Forward Citations

Loading…