Flowline safety joint

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 17/40 (2006.01) E21B 17/06 (2006.01) E21B 43/013 (2006.01) F16K 35/00 (2006.01) F16L 27/08 (2006.01)

Patent

CA 2092479

A flowline safety joint having a tubular member supported from a subsea tree structure, an elbow having a horizontal passage therethrough and a vertical passage extending upwardly from said horizontal passage, a stab- in male member having a leading end, a trailing flowline connecting end, a passage therein and terminating short of said leading end and a vertical opening in said male member communicating with said vertical passage through said elbow when installed within said horizontal passage, and a flat surface surrounding the opening of said vertical opening in said male member, means providing a metal-to-metal seal between the lower end of the tubular member and the flat surface on said male member, and swivel means for connecting said elbow to said tubular member, said swivel means including means increasing the downward loading of said tubular on said seal means to control the loading of said male member at which it releases from said horizontal passage through said elbow.

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