Remote automatic make-up stab-in sealing system

Details Remote automatic make-up stab-in sealing system Remote automatic make-up stab-in sealing system

1978-11-06

1983-09-06

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285137A, 285140, 285340, 285347, 285348, F16L 3500

Patent

active

044027737

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 shape 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.

REFERENCES:
patent: 1721325 (1929-07-01), Wilson
patent: 2574109 (1951-11-01), Kune et al.
patent: 2757945 (1956-08-01), Bingham
patent: 3038456 (1962-06-01), Dreisin
patent: 3051200 (1962-08-01), Bevington
patent: 3834666 (1974-09-01), Keith
patent: 3915462 (1975-10-01), Bruns

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