The new single-stage Casing Head

the housing diameter Φ = 65mm ;, bypass can be seat to win the title after the outer loop live cementing operations, to avoid the tube can not occur seated hidden;

Slip type Casing Head

Slip type casing head mainly used to fix the drilling wellhead, connect wellhead casing string, casing and production casing support gravity, sealing the annular space between the layers of the tube

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