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 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
Casing head
Casing head tee (with dual valves)
Casing head tee (with dual valves)
Casing head (single valve)
Casing head (double valve)
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