①Wellhead Equipment & X-mas tree
Technical Features:
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.
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~20000PSI
Working medium: oil, natural gas, mud ,including H2S,CO2
Working temperature: -46°C~121°C(Class LU)
Material class: AA、BB、CC、DD、EE、FF
Specification level: PSL 1-4
Performance level: PR 1-2
Conforms to API Spec. 6A
②Casing Head
Technical Features:
Straight hole design, with 45° shoulder, strong load bearing
Side outlet type with casing hanger: line pipe thread type, double studded adapter type
Casing hanger : slip type and mandrel type available
Complete set of jackscrew assy and lock screw waring bushing to prevent casing hanger lift
Bottom connection: welded, threaded and slip type
③Casing Hanger
A Type
Pack off is automatically energized with casing weight
Seal is reliable , safety and convenience.
It is apply for deep wellhead service
Size: 5-1/2’ 7’ 9-5/8’
B Type
Casing hanger is used for connecting casing head and surface casing
through slip tightening casing with help of external force.
Installation and remove are convenience and working is reliable and safety
Size: 13-3/8"、20"
③Casing Spool
Technical Features:
l Secondary seal of casing spool has BT type seal structure , providing safety seal and reliability
l It is used slip or mandrel hanger according as customer requirement
④Tubing Head
Technical Features:
Straight hole design, can install all kind of single pipe and double pipe hanger
Pressuer up to 20000psi
With 45°shoulder
Big capacity
Side outlet of threaded flange
VR plug threaded
A complete of jackscrew assy.
Lock screw wear bushing
To Prevent tubing hanger is lift
Bottom has BT secondary seal structure
⑤Tubing Hanger
Technical Features:
The material conforms to API 6A and NACE standard
It is adopt rubber seal type
Installation is quickly and convenient
BPT threaded in tubing hanger
Tubing hanger with BPV threaded
With control pipeline of SSV