E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) E21B 23/00 (2006.01) E21B 43/08 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2359450
An apparatus suitable for use in a wellbore comprises an expandable bistable device. An exemplary device has a plurality of bistable cells formed into a tubular shape. Each bistable cell comprises at least two elongated members that are connected to each other at their ends. The device is stable in a first configuration and a second configuration.
Bixenman Patrick W.
Hackworth Matthew R.
Johnson Craig D.
Schetky L. Mcd.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Schlumberger Canada Limited
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