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Specifications
wellhead-equipment :1)WP:2000-20000psi
2)work temp:-46-121(Class LU)
3)material class:AA-HH
API 6A Wellhead-Equipment Christmas Tree
Wellhead-equipment consists of casing head, tubing head and Xmas tree, which are applicable for connection of casing string and tubing string, sealing the annular space between casing and tubing and controlling the pressure of the production wellhead and adjusting the flow rate of oil/gas wellhead as well as some special operations such as fracturing, injection and test etc.
Technology specifications
The design meets the requirement of API SPEC 6A.
Rated working pressure2000~20000PSI
Rated working temp: K, L, P, R, S, T, U, V
Material class: AA, BB, CC, DD, EE, FF
Product specification levelPSL1~PSL4
Performance requirement levelPR1-PR2
Suitable medium: Petroleum, natural gas, mud etc
All popular bore size is available
Casing Head
Casing hanger for casing head and casing spool has straight type seat bore and 45°cone of hanging shoulder, with fine loading ability.
if required, it can be designed in integral or split structure.
The connecting type of casing head and surface casing is weld, thread or slip
The connecting type of side outlet includes thread, bolted flange or flange
Matched casing hanger structural type: slip, thread (mandrel)
In the bottom of casing head and casing spool sets casing secondary seal mechanism and sealing test port
Tubing Head
Tubing hanger for tubing head has straight type seat bore and 45°core of hanging shoulder, with strong loading ability.
The connecting type of side outlet is bolted flange with VR thread for valve-replacement operation.
In the bottom flange sets secondary seal mechanism and sealing test port.
Tubing hanger and tubing head adaptor can be penetrated through by cable or cable penetrator and set with control pipeline interface.
Tubing hanger can be set with BPV thread as required.
Xmas Tree
Xmas tree is a key equipment to control the pressure in wellhead and adjust the flow rate of oil/gas well in oil/gas production operation.
It can be designed into general or integral structure as required
It can be completed with pneumatic/hydraulic safety valve
It can be classified into two kinds of single-wing and dual-wing
As required, matched choke may be positive choke or adjustable choke alternatively
More information pls call: 0086-18654642458
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