Oilfield Casing head

The casing head is applied to all well depths and forms of completion operations, mainly used to fix the wellhead of drilling, connect the downhole casing string, seal and control the pressure in the annular space of the casing. The casing head is strictly designed and manufactured in accordance with API Spec 6A, and has excellent pressure bearing capacity and H2S resistance performance. The connection method between the casing head and the surface pipe can be: welding type, threaded type, or slip type. The structure type of the casing hanger used is slip type, threaded type (core shaft), and the casing hanger of the casing head and casing cross is a straight seat structure with a 45 degree conical surface on the shoulder, which has good load-bearing capacity. The casing head can be designed as an integral or split structure as needed.