E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/04 (2006.01)
Patent
CA 2106109
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.
Blake Cassels & Graydon Llp
Cooper Cameron Corporation
LandOfFree
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