Casing Head

- It can be used in special operations in drilling and producing processes

- In emergency case, it can be used to pump fluid into the well, such as slurry, water and high-efficiency extinguish ant when killing a well

- The pressure between the casing strings in two layers can be released through it

- Pressure seal can be formed between internal and external casing strings

- The stability of wellhead equipment of the drilling rig can be improved

- It is an important device to connect casing and blowout preventer and gas-producing wellhead

- The pressure of the entire wellhead equipment of the drilling rig can be matched

- casing head is placed above casing string to bear the weight of all casings suspended on it except that on its surface

PSL1 PSL4

Level of specification

PR1 PR2

Level of performance

-46-121  C (L-U)

Operating temperature

DD.EE.FF

Type of material

35 140 MPa

Operating pressure

5  - 20  

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