E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) E21B 17/08 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2467899
A wellbore expandable connection, which includes a tubular pin member having an outwardly facing tapered threaded section and a tubular box member having an inwardly facing tapered threaded section. The threaded sections form a connection of a predetermined integrity when the tubular pin member is mated with the tubular box member. The integrity of the connection is substantially maintained during radial expansion of the connection.
Ellington Peter
Pendleton Gary
Ridout & Maybee Llp
Weatherford/lamb Inc.
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