Wellhead seal energized by fluid pressure
An annulus seal (110) for sealing an interface between a wellhead housing (104) and a casing hanger (102). The annulus seal (110) includes a central body portion (114), a first seal leg (116) extending from the central body portion (114) in a first direction and a second seal leg (118) extending fro...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | An annulus seal (110) for sealing an interface between a wellhead housing (104) and a casing hanger (102). The annulus seal (110) includes a central body portion (114), a first seal leg (116) extending from the central body portion (114) in a first direction and a second seal leg (118) extending from the central body portion (114) in the first direction across from the first seal leg (116). The first seal leg (116) sealingly engages the casing hanger (102), and the second seal leg (118) sealingly engages the wellhead housing (104). At least one of the first seal leg (116) or the second seal leg (118) includes at least one of a first cavity (130) at least partially extending into the respective seal leg from the first direction or a second cavity (130) at least partially extending into the respective seal leg from the second direction. |
---|