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Product Application
In oil drilling, a casing head is a simple metal flange welded or
screwed onto the top of the conductor pipe (also known as
drive-pipe) or the casing and forms part of the wellhead system for
the well.
This is the primary interface for the surface pressure control
equipment, for example blowout preventers (for well drilling) or
the Christmas tree (for well production).
The casing head, when installed, is typically tested to very strict
pressure and leak-off parameters to insure viability under blowout
conditions, before any surface equipment is installed.