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Wellhead assemblies and Christmas trees ,the essential devices for oil production ,are used to fix the wellhead,suspend the down-hole pipe strings ,seal and control the annular space between the strings ,control the pressure of the wellhead and adjust the oil/gas flowrate ,as well as for some special operations such as acidizing,fracturing,water/gas injecting and down-hole testing.The wellhead assembly consists of the casing head,tubing head and Christmas (oil/gas production)tree. |
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Rated operating pressure |
2000~20000psi |
Product specification level |
PSL1~PSL4 |
Rated temperature lever |
L,N,P,S,T,,U,V |
Performance requirement level |
PR1,PR2 |
Product material grade |
AA,BB,CC,DD,EE,FF |
Applicable working media |
Oil,naturalgas,mudand water | | |