Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Pipe to nipple connection dependent on nipple to plate...
Patent
1977-09-15
1980-10-21
Shedd, Wayne L.
Pipe joints or couplings
Pipe to discreet nipple or sleeve to plate
Pipe to nipple connection dependent on nipple to plate...
285 18, 285140, F16L 3900
Patent
active
042290279
ABSTRACT:
A remote, automatic make-up, stab-in sealing system for providing metal-to-metal seals between a projecting structure and a surrounding bore telescopically receiving the projecting structure is disclosed. The sealing system includes the projecting structure, such as a pipe hanger or pack-off nipple. The sealing system further includes apparatus having the bore for receiving the projecting structure, such as a wellhead or tubing hanger. The sealing system also includes a seal assembly. The seal assembly includes at least one frusto-conical shaped metal gasket, a split ring and an actuator ring. The rings force the frusto-conical shaped metal gasket into metal-to-metal sealing engagement with the walls of both the projecting structure and the bore as the projecting structure is telescopically received by the bore.
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McEvoy Oilfield Equipment Company
Ostfeld David M.
Shedd Wayne L.
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