The X-mass tree is a wellhead device used to extract oil from wells and machine wells. It is the main equipment for controlling and regulating oil and gas production in the upper part of oil and gas wells. It mainly consists of casing head, tubing head and oil (gas) X-mass tree body.
The X-mass tree is a component that opens to the top opening of the well, including valves for measurement and repair, safety systems, and a range of monitoring instruments. The X-mass tree connects the production and outflow pipes from the downhole and serves as an important barrier to the isolation of the top of the well from the external environment. It includes a number of valves that can be used to regulate or prevent the production of crude oil vapors, natural gases and liquids from the well. The X-mass tree is connected to the production manifold system through a submarine pipeline.