Wellhead equipment

Details Wellhead equipment Wellhead equipment

1993-05-26

1994-07-12

Dang, Hoang C.

Wells

Expansible anchor or casing

Liner hanger

285140, 285143, E21B 3304

Patent

active

053279662

ABSTRACT:
Subsea wellhead equipment is disclosed as comprising a housing including a main body of a first material having an internal cavity thereabout and a weld body of a material having a considerably greater yield strength than that of the main body formed integrally with the main body within the cavity to provide an upwardly facing seat in the housing bore, and a hanger including a main body and a ring of a material having a considerably greater yield strength than that of the main body and carried by the main body in a position to provide a downwardly facing shoulder engageable with the seat to support the load of the hanger therefrom.

REFERENCES:
patent: 4455040 (1984-06-01), Shinn
patent: 4460042 (1984-07-01), Galle, Jr.
patent: 4515400 (1985-05-01), Smith et al.
patent: 4577686 (1986-03-01), Milberger et al.
patent: 4757860 (1988-07-01), Reimert
patent: 4773477 (1988-09-01), Putch
patent: 4811784 (1989-03-01), Theiss
patent: 4826216 (1989-05-01), Hynes et al.
patent: 4842307 (1989-06-01), Sweeney et al.
patent: 4919460 (1990-04-01), Milberger et al.
patent: 5209521 (1993-05-01), Osborne

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