E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/128 (2006.01) E21B 33/12 (2006.01)
Patent
CA 2366874
A wellbore isolation device having an expandable component. The expandable component comprises a layer of bistable cells that can be expanded from a contracted stable state towards an expanded stable state. A seal material may be placed along the expandable cells to facilitate inhibition of fluid flow along a region of a wellbore.
Bixenman Patrick W.
Johnson Craig D.
Schlumberger Canada Limited
Smart & Biggar
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