Connector, ratcheting type

Details Connector, ratcheting type Connector, ratcheting type

1984-10-16

1986-08-26

Scanlan, Jr., Richard J.

Pipe joints or couplings

With assembly means or feature

285141, 285321, 285334, 285355, 285392, F16L 5500

Patent

active

046078657

ABSTRACT:
A tieback connector 10 for connecting tieback conductors 14 between a platform and a casing hanger 22 in a subsea well system 20 comprising a split ring 44 on a connector body member 12 having external threads 32 capable of mating with internal threads 24 on the casing hanger 22 and capable of ratcheting over said internal threads 24 as the connector is stabbed into the casing hanger 22. Rotation of the connector 10 will actuate a locking means 54-66 (and 54A-66A) by the combined action of the threads and relative axial movement of said split ring and body member 12 to thread and lock said connector in said casing hanger. An anti-rotation key 50 permits axial relative movement of the split ring 44 and body 12 but prevents relative rotational movement therebetween.

REFERENCES:
patent: 3345084 (1967-10-01), Hanes et al.
patent: 3721292 (1973-03-01), Ahlstone
patent: 3893717 (1975-07-01), Nelson

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