E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/08 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2445126
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.
Del Campo Christopher S.
Hackworth Matthew R.
Johnson Craig D.
Rasa Kian
Schoonderbeek Gerhard
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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