Wellhead And X-mas Tree Assembly is the important component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment, consists of three main parts:
X-mas Tree Assembly (Christmas tree assembly comprises a series of valves, spools, a choke, and connection.)
Tubing Head Assembly (Tubing head (Spool) provides a means to support and seal a tubing string.)
Casing Head Assembly (Casing Head Assembly consists of Casing Head, Casing Spool, Casing Hanger) (Casing head is used to fix the drilling well and connect the downhole casing string.)
Wellhead And X-mas Tree Assembly is used to connect casing string and tubing string, and seal the annular spaces between all casing and tubing layers.
In addition, it is widely used in various types of well structures and well completion.
It is also suitable for acidizing, fracturing, water injection, steam injection, and well testing.
