Wellhead Equipment & Christmas Tree

Product Details

API 6A & NACE MR0175

Fix drilled wellhead, connecting wellhead casing string, seal and control the annular of the casing, suspend tubing, control wellhead pressure and adjust flow rate, also induce oil into outlet pipeline, shut off the 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: 2000PSI-15000PSI
• Working temperature: - 29℃-121℃（PU）
• Material class: AA,BB,CC,DD,EE,FF,HH
• Specification level: PSL1-3
• Performance level: PR1-2

Casing head:
The casing head and casing spool use standard design and can apply to all kinds of FY slip and mandrel type casing hangers.

Straight-bore:
Design 45° shoulder design with high load capacity.

Side Outlet Connection Form:
Pipeline thread side outlet Threaded flange side outlet, designed with VR plug.

Secondary Seal:
Design with a multi-structure secondary seal at bottom Installation. Can be performed on spot per different structure types injection or non-injection can achieve a seal.

Interchangeability of Casing Hanger:
Casing hanger design with standard profile Interchangeability between slip casing hanger and mandrel type casing hanger.

Connection Forms between Casing Head & Surface Casing:

• Threaded bottom type
• Welded bottom type
• Slip bottom type