Wellhead assembly and Christmas tree are important equipments for oil and gas development, composed of three parts including casing head, tubing head and Christmas tree. It is designed to connect casing and tubing, seal off the annulus between casing layers and between casing and tubing, adjust the pressure and outflow of production oil & gas wells, also applicable in special operations such as acidizing, fracturing, water flooding and testing.
Wellhead Assembly & Christmas Tree / Water Injection Wellhead Assembly / Thermal Recovery Wellhead Assembly (KR Series)
Main Technical Parameters
| Rated WorkingPressure | 2000-20000 psi | Specification Level | PSL1-PSL4 |
| Rated TemperatureClass | K,L,P, R,S,T,U,V | Performance Level | PR1,PR2 |
| Material Grade | AA,BB,CC,DD,EE,FF | Applicable Medium | Oil,gas, mud,etc. |
Christmas Tree
Single Completion / Solid-block Type
Casing Head
Welded Type Bottom Connection Casing Head / Thread Type Bottom Connection Casing Head / Slip Type Bottom Connection Casing Head
Casing Hanger
WE Slip Type Casing Hanger / WD Slip Type Casing Hanger / W Slip Type Casing Hanger / G Slip Type Casing Hanger / Threaded (Pivot) Casing Hanger
Tubing Head & Spool
Tubing Hanger
Single Completion Tubing Hanger / Double Completion Tubing Hanger / Cable Penetrator Tubing Hanger
