Casing Head Series

21/35/70/105/140

Name:Casing Head Series
Type:21/35/70/105/140

The Casing Head Series are used to fasten the wellhead of drilling intervals, to connect wellhead casing string, to support the gravity of intermediate casing and oil-string casing, to seal the annular space between the pipe layers, to provide filtering connections for the installation of BOP, tubing head, and X-tree. In addition, it is also available to perform squeeze slurry, monitor and fill equilibrium liquid and other construction operations through two lateral holes on the casing head body.

Nominal Pressure

2,000psi to 15,000psi14MPa~105MPa

Nominal Size

4 1/16" -20"
(114.3 ~ 508mm)

Specification Level

PSL1~4

Material Class

AA, BB, CC, DD, EE, FF

Performance Level

PR1~2

Temperature Level

-46 to 121 (LU)

Suitable Medium

crude oil, gas, drilling fluid, gas contained H2S, CO2

Connection Form

Flange or clamp




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