Lubrication and self-cleaning system for expansion mandrel

E - Fixed Constructions – 21 – B

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Details

E21B 17/00 (2006.01) E21B 17/042 (2006.01) E21B 17/08 (2006.01) E21B 23/04 (2006.01) E21B 33/04 (2006.01) E21B 33/14 (2006.01) E21B 43/10 (2006.01) F16L 15/04 (2006.01)

Patent

CA 2310878

An expandable threaded connection includes a first tubular member, a second tubular member and a threaded connection for coupling the tubular members that includes one or more sealing members.

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