View Xmas Tree Wellhead Equipment Pictures. Xmas tree, gate valve, choke, check valve. You can also choose from energy & mining xmas tree.
However, a wellhead and christmas tree are entirely separate pieces of equipment.
Wellhead and christmas tree composed by three parts, including casing head, tubing head, oil (gas) tree, used to connect casing string, tubing string and sealing layers between the casing and tubing of the annular space between, so to control the wellhead pressure and wellhead flow, it also could be. Wellhead assemblies consist of casing head, tubing head and christmas tree, which are applicable for fixing the drilling well, sealing the annular space between casing and tubing, and hanging tubing string as well. 2 production equipment kys series wellhead and christmas tree equipment 1 it can be used for conventional production well, heavy oil well and extra heavy oil well; I think the complete documentation can be found from api spec 6a.