E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/68
E21B 17/00 (2006.01) E21B 33/03 (2006.01) E21B 33/04 (2006.01) E21B 33/12 (2006.01) E21B 33/00 (2006.01)
Patent
CA 1207660
Abstract of the Disclosure A well annulus sealing assembly having a body with a seal ring assembly including a resilient ring with thin metal end caps, and radial energizing means including a body with a first outer surface and an enlarged outer surface with means for moving the seal ring assembly from the first outer surface to the enlarged outer surface.
434676
Lewandowski James
Mcever James P.
Cameron Iron Works Inc.
Smart & Biggar
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