Non-orienting tree cap
A wellhead assembly includes a tree cap having a production mandrel extending down into a production passage of a Christmas tree to form a seal. The tree has an annulus bore and an annular cavity at the upper end of the tree surrounding the upper ends of the production and annulus bore. A communicat...
Saved in:
Main Authors | , |
---|---|
Format | Patent |
Language | English |
Published |
24.11.2009
|
Online Access | Get full text |
Cover
Loading…
Summary: | A wellhead assembly includes a tree cap having a production mandrel extending down into a production passage of a Christmas tree to form a seal. The tree has an annulus bore and an annular cavity at the upper end of the tree surrounding the upper ends of the production and annulus bore. A communication gallery leads between the annulus bore and the cavity. The tree cap also includes an annular sealing member that enters the cavity for sealing a communication gallery. |
---|