Subsea casing hanger suspension system

Details Subsea casing hanger suspension system Subsea casing hanger suspension system

1988-04-27

1989-06-06

Reese, Randolph A.

Pipe joints or couplings

Frangible element

166 84, 166 86, 285 23, 285141, 103261, E21B 3300, E21B 3304, E21B 33047, F16L 3900

Patent

active

048365793

ABSTRACT:
A well casing suspension system comprising a casing hanger assembly with an expandable, multiple shoulder, split load ring that is radially expanded into supporting position in a mating groove in a wellhead housing by contact with a previously installed annulus packoff.

REFERENCES:
patent: 3773360 (1973-11-01), Timbers
patent: 3827488 (1974-08-01), Piazza et al.
patent: 4408783 (1983-10-01), Gruller
patent: 4528738 (1985-07-01), Galle, Jr.
patent: 4550782 (1985-11-01), Lawson
patent: 4595063 (1986-06-01), Jennings et al.
patent: 4641708 (1987-02-01), Wightman
patent: 4691780 (1987-09-01), Galle, Jr. et al.
patent: 4696493 (1987-09-01), Brammer

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