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:
Mar. 05, 2002
Filed:
Jan. 11, 2000
Applicant:
Inventors:
Jeffrey Bode, The Woodlands, TX (US);
J. Gary Fontenot, Conroe, TX (US);
Bill Rouse, Montgomery, TX (US);
Joe Jordon, Willis, TX (US);
Assignee:
Weatherford/Lamb, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/308 ; E21B 4/338 ;
U.S. Cl.
CPC ...
E21B 4/308 ; E21B 4/338 ;
Abstract
A subterranean filter to remove particles from production fluid in a well includes a perforated inner member, at least one filter membrane made of a non-woven polymer material and a metal braided layer installed around the membrane and inner member to provide a filter having improved permeability and resistance to chemical and physical forces.