The casing head is a component that connects casings and various wellhead assemblies. It is used to support the weight of technical casing and production casing, sealing the annual space between the casing and installing BOP stacks.
Casing head can provide locking nail used to wear bushing;
Casing head provides a set of lock screw for spindle casing hanger and sealing device;
All casing heads are equipped with an API 6B or API 6BX flange on the top.