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

1982-08-31

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

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

Patent

active

043469191

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.

REFERENCES:
patent: 564953 (1896-07-01), Armstrong
patent: 1866160 (1932-07-01), Griswold
patent: 1965273 (1934-07-01), Wilson
patent: 1971169 (1934-08-01), Wheeler
patent: 2202492 (1940-05-01), Jalolks
patent: 2644804 (1953-07-01), Rubin
patent: 2750961 (1956-06-01), Uritis
patent: 2757945 (1956-08-01), Bingham
patent: 2948556 (1960-08-01), Epain et al.
patent: 3463518 (1969-08-01), Broussard et al.
patent: 3492009 (1970-01-01), Beresnev et al.
patent: 3915462 (1975-10-01), Bruns

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