Thread integrity feature for expandable connections

E - Fixed Constructions – 21 – B

Patent

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Details

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.

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