Mudline casing hanger assembly

Details Mudline casing hanger assembly Mudline casing hanger assembly

1982-11-12

1985-08-13

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285141, 285322, F16L 3500

Patent

active

045345830

ABSTRACT:
A casing hanger assembly with a collet (16) initially pulled down with latch (26) engaging cage (25). On entry in the casing (52) the push shoulder (44) is engaged and the latch released. The load shoulder (22) is not used for other than its load carrying duty. Engagement is assured by taper (40), and alignment by pins (50, 51).

REFERENCES:
patent: 3727952 (1973-04-01), Richardson
patent: 3741589 (1973-06-01), Herd et al.
patent: 4222507 (1983-12-01), Reimert
patent: 4276932 (1981-07-01), Saliger et al.
patent: 4408783 (1983-10-01), Gruller
patent: 4468055 (1984-08-01), Reimert

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