The casing head is a component that connects the casing and various wellhead devices. To support the gravity of the casing and the reservoir casing, sealing the annular space between the layers of the pipe, for the installation of the boP. The upper wellhead, such as the tubing head and the tree, provides a transition connection, and two side openings on the casing head body allow for cementing, monitoring of well subsidence, and injection of balanced fluids.

The casing head produced by our company is of standard construction, and the casing is equipped with our casing hanger, and different sizes of casing hanger can be selected according to the casing program and the change of wellhead conditions. The upper part of the body is API6B flange or API6BX flange.

Options for casing heads are

The lower connection of the casing head can be API standard female connection of round thread casing or API standard female connection of partial trapezoidal thread casing, also can be plug-welding type casing connection, and also can be slip type connection. Assembly support chassis can be provided. The side outlet has two kinds of pipeline thread type and silk planting type. Wire side machined with female thread of R11/2 "valve changer.