Wellhead body lockdown and method for engaging same

Details Wellhead body lockdown and method for engaging same Wellhead body lockdown and method for engaging same

1986-11-26

1987-10-06

Scanlan, Jr., Richard J.

Pipe joints or couplings

With assembly means or feature

285 39, 285141, F16L 5500

Patent

active

046978283

ABSTRACT:
Preloaded connection for supporting an annular body from an annular suspension joint. The connection includes an actuating ring, a split locking ring and a retaining nut which are positioned between the annular body and suspension joint. The connection is preloaded by applying an axial force to the actuating ring causing the locking ring to be expanded outwardly with the annular body becoming preloaded in compression and the suspension joint preloaded in tension with the preload force passing through the mating surfaces.

REFERENCES:
patent: 3807497 (1974-04-01), Baugh
patent: 3986729 (1976-10-01), Taylor
patent: 4465134 (1984-08-01), Watkins
patent: 4496172 (1985-01-01), Walker
patent: 4515400 (1985-05-01), Smith et al.

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