Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Patent
1993-09-08
1995-06-06
Britts, Ramon S.
Wells
Above ground apparatus
Inner member anchor or seal with lateral port
166208, 385 24, 385 39, E21B 3304
Patent
active
054214076
ABSTRACT:
A tubing hanger (2) is suspended in a spool (1) by a composite load support ring (7,8). Upon running-in, the hanger expands the ring into engagement with complementary grooves (34) in the spool wall. By making the load support ring from individual split rings (7,8), a radially large bearing area is provided for supporting the hanger and/or a seal, whilst enabling an appreciable expansion of the ring without it yielding beyond its elastic limit.
REFERENCES:
patent: 3287035 (1966-11-01), Greenwood
patent: 4541490 (1985-09-01), Bigbie et al.
patent: 4653589 (1987-03-01), Alandy
patent: 4934459 (1990-06-01), Baugh et al.
patent: 5020593 (1991-06-01), Milberger
patent: 5031696 (1991-07-01), Zwiegel
patent: 5092400 (1992-03-01), Jagert
patent: 5240076 (1993-08-01), Cromar et al.
Britts Ramon S.
Cooper Industries Inc.
Tsay Frank S.
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