Description
13 3/8"-3000psi Casing Head
Casing head connects casing and various wellhead equipment, supports the weight of technical casing and oil layer casing and seals off the annular space between casing in order to install BOP. The upper provide the transitional connection. Through the two side outlets, it is possible to supplement cement, monitor well sinking and inject balance liquid, etc.
Casing heads made in our company are standard structure. Inside the housing is installed the casing hanger made in our company. Casing hangers of various sizes may be selected according to changes in the casing process and the conditions of the wellhead. The upper part of the body is API 6B flange or API 6BXflange.
Casing options
The lower part connection of the casing head may be API standard round thread casing female or API standard buttress casing thread female connection. It can also be socket weld casing connection or slip connection.
The assembly welded supporting bottom may be provided.
Thread type and studded type side outlets are available. Studded side outlet features female thread.
Serial |
Name |
Quantity |
Material |
Remarks |
1 |
Top screw |
12 |
35CrMo |
|
2 |
Top screw cap |
12 |
40Cr |
|
3 |
Packing ring |
24 |
2Cr13 |
|
4 |
Packing |
60 |
PTFE |
|
5 |
Slip hanger assembly |
1 |
||
6 |
Casing head body |
1 |
35CrMo |
Tubing head with design of versatile straight-bore,can be installed tubing hanger with different specification
Straight-bore Design
45° shoulder design with high load capacity
Side Outlet Connection Form
Threaded flange side outlet,design with VR plug
Lock Down Screw Assembly
·Standardized design lock down srrew assembly
·Lock wear bushing,tighetn tubing hanger
Secondary Seal
Design with secondary seal mechanism at buttom,the casing head shall be installed to fit the height of sealing device through cutting casing on spot
Tubing Head,Top Flange and Tubing Hanger
·Rubber seal or metal-to-metal seal
·Tubing Hanger and top flange can be fed through with cable,or penetrated with power mandrel penetrator
·Tubing Hanger and top flange may connect multiple joints for control pipeline.