Casing hanger seal locking mechanism with detent
Patent
·
OSTI ID:5496090
This patent describes a well having a wellhead housing with a bore therethrough for supporting a casing hanger, the casing hanger having a wall surface located above an annular band and spaced inward from a wall surface in the bore, an improved casing hanger seal for sealing the wall surfaces between the casing hanger and the wellhead housing. It comprises a seal member, having a seal section which is adapted to be compressed between the wall surfaces; a rigid locking wall joined to and extending upward from the seal member; a split ring radially separated from the locking wall; and an energizing ring mounted for downward movement between the locking wall and the split ring in sliding contact with the split ring to move the split ring radially into engagement with one of the wall surfaces to lock the seal member in place.
- Assignee:
- Abb Vetco Gray, Inc., Houston, TX (United States)
- Patent Number(s):
- US 5060724; A
- Application Number:
- PPN: US 7-552442
- OSTI ID:
- 5496090
- Country of Publication:
- United States
- Language:
- English
Similar Records
Casing hanger seal locking mechanism
Casing hanger seal assembly with diverging taper
Casing hanger packoff with C-shaped metal seal
Patent
·
Tue Aug 21 00:00:00 EDT 1990
·
OSTI ID:6471041
Casing hanger seal assembly with diverging taper
Patent
·
Tue Oct 02 00:00:00 EDT 1990
·
OSTI ID:6410769
Casing hanger packoff with C-shaped metal seal
Patent
·
Tue Jun 27 00:00:00 EDT 1989
·
OSTI ID:5568418