Non-orienting tree cap
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 24, 2009
Grant Date -
Jan 29, 2009
app pub date -
Jul 27, 2007
filing date -
Jul 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
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.
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Cited Art Landscape
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