Hanger assembly

Details Hanger assembly Hanger assembly

1993-01-22

1994-07-19

Britts, Ramon S.

Wells

Expansible anchor or casing

Liner hanger

166216, 166217, E21B 3304

Patent

active

053300025

ABSTRACT:
A hanger (3) is suspended and sealed within a wellhead housing (5) by means of a landing ring which engages teeth (8) on the hanger, and a sealing device consisting of wedge rings (15 and 16) which seal respectively against the teeth (8) and the wall of the housing (5).

REFERENCES:
patent: 4615544 (1986-10-01), Baugh
patent: 4759409 (1987-04-01), Gullion
patent: 4781387 (1987-06-01), Baugh
patent: 4790572 (1987-12-01), Slyker
patent: 4903992 (1989-04-01), Jennings et al.
patent: 4942925 (1990-07-01), Themig
patent: 4949786 (1990-08-01), Eckert et al.
patent: 4949787 (1990-08-01), Branmen et al.
patent: 5025864 (1991-06-01), Nobileau
patent: 5031695 (1991-07-01), Cain et al.
patent: 5086845 (1992-02-01), Baugh
EPC Application No. EP-A 0344087, filed May 18, 1989.

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