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:
Jan. 30, 2007
Filed:
Jul. 31, 2003
Craig D Johnson, Letchworth, GB;
Matthew R. Hackworth, Pearland, TX (US);
Kian Rasa, Ithaca, NY (US);
Christopher S. Del Campo, Houston, TX (US);
Rod W. Shampine, Houston, TX (US);
Claude J. Vercaemer, Paris, FR;
Gerhard Schoonderbeek, Woking, GB;
Craig D Johnson, Letchworth, GB;
Matthew R. Hackworth, Pearland, TX (US);
Kian Rasa, Ithaca, NY (US);
Christopher S. Del Campo, Houston, TX (US);
Rod W. Shampine, Houston, TX (US);
Claude J. Vercaemer, Paris, FR;
Gerhard Schoonderbeek, Woking, GB;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
An expandable device, such as a sand screen, is used in a wellbore. The expandable device comprises an expandable base pipe and a filter layer that facilitates expansion of the device while maintaining filtering capability.