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X-mas Tree and Wellhead Equipment

X-mas Tree and Wellhead Equipment

X-mas Tree and Wellhead Equipment introduction

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 as adjusting the flow rate of oil/gas wellhead. Christmas tree is composed of valves and fittings, can be used in oil, gas, water-injection and acid fracture, etc.


  1. Fix drilled wellhead, connect wellhead casing string, seal and control the annular of casing, suspend tubing, control wellhead pressure and adjust flow rate, also include oil into outlet pipeline, shut off oil well when necessary, and apply to acid fracturing, water injection and test service.
  2. Consist of casing head, tubing head and Christmas tree.
  3. Apply to all kinds of casing, tubing programs and connection forms.
  4. Feature reliable running, simple and convenient operating and repairing.
  5. Can be equipped with (pneumatic) hydraulic safety valve.
  6. Working pressure: 2000~15,000PSI
  7. Working medium: oil, natural gas, mud, including H2S, CO2
  8. Working temperature: -46°C~121°C(Class LU)
  9. Material class: AA、BB、CC、DD、EE、FF
  10. Specification level: PSL 1-4
  11. Performance level: PR 1