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:
Sep. 05, 2006
Filed:
Oct. 07, 2003
Applicant:
Christian Wittrisch, Rueil Malmaison, FR;
Inventor:
Christian Wittrisch, Rueil Malmaison, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03B 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a controlled-pressure drop liner device comprising a circumscribed filter element () centred on a base tube () by longitudinal braces in relation to the axis of the tube and arranged according to the diameter of the tube so as to divide the annular space defined by the filter element and the tube into sectors delimited by the braces, and in which collecting tubes () are arranged and open into the sectors by one end. The invention applies to tubings intended for drainage or injection in a geologic formation, a hydrocarbon reservoir for example.