Tubing hanger

Details Tubing hanger Tubing hanger

1987-06-15

1988-12-20

Massie IV, Jerome W.

Wells

Above ground apparatus

With assembly or disassembly means

166 96, 166379, 166382, E21B 3304

Patent

active

047919868

ABSTRACT:
There is disclosed an apparatus including a tubing spool and tubing hanger which overcomes problems associated with servicing of oil and gas wells under pressure. In the invention, a tubing hanger can move through a tubing spool and be seated and sealed from the outside the tubing spool. The tubing hanger includes a flexible packing element with means for engaging and expanding the element to the tubing hanger in the tubing spool and a plurality of locking means adapted to secure the dognut in relation to the tubing spool.

REFERENCES:
patent: 2241333 (1941-05-01), Smith
patent: 2638169 (1953-05-01), Crain
patent: 3011552 (1961-12-01), Rhodes et al.
patent: 3095627 (1963-07-01), Johnson
patent: 4278278 (1981-07-01), Chambless et al.
patent: 4344651 (1982-08-01), Longacre, et al.
patent: 4410040 (1983-10-01), Longacre et al.
patent: 4512410 (1985-04-01), Forester
patent: 4552213 (1985-11-01), Boyd et al.
patent: 4646827 (1987-03-01), Cobb

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