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
NO. |
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 |
|
|
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Casing Head
