E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01)
Patent
CA 2542633
A packer includes a sealing element, a gage and a plurality of foldback rings. The rings are located between the gage and the sealing element.
Conaway Seth
Grosser Karen
Hendrickson James D.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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