Fix drilled wellhead, connect wellhead casing string, seal and control the annular of casing, suspend tubing, control wellhead pressure and adjust flow rate, also induce oil into outlet pipeline, shut off oil well when necessary, and apply to acid fracturing, water injection and test service
Consist of casing head, tubing head and Christmas tree
Apply to all kinds of casing, tubing programs and connection forms
Feature reliable running, simple and convenient operating and repairing
Can be equipped with (pneumatic) hydraulic safety valve
Working pressure: 2,000PSI -20,000PSI
Working medium: oil, natural gas, mud, including H2S, CO2
