| After-sales Service: | No Overseas Service Provided |
|---|---|
| Warranty: | 1 Year |
| Certification: | ISO 9001:2000, API 6A |
| Power Source: | Not Applicable |
| Operation Pressure: | Not Applicable |
| Applicable Medium: | Mud, Water, Crude Oil |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier We can provide following casing type casing head
1. Casing Head-Bottom Slip Connection
Characteristics:
(1) Connect surface casing by type WD slip.
(2) Adopt type BT secondary seal structure.
(3) Accurately calculate casing string's length is not necessary.
(4) Can not be affected by surrounding environment, climate, etc.
(5) Easy, rapid, safe and reliable in installation.
Can apply to different sizes casing, such as: 30",20",13-3/8",12-1/4",9-5/8",7",5-1/2".
Can apply to different sizes casing as:13-3/8",9-5/8",7",5-1/2"etc.
We can manufacture a variety of bottom thread such as CSG, LCSG, BCSG, TM, for the connection between casing head and surface casing.
2. Casing Head-Bottom thread connection
(1)Bottom of the casing head connects surface casing by various types of threads,such as CSG,LCSG,BCSG,TM,ETC.
(2)Convenience and rapid in installation,safe and reliable in operation.
3. Casing Head-Bottom welded connection
(1)Bottom of the casing head connects surface casing by welding.
(2)There's pressure test hole, which can test welding effect, in welding annular space.
Bottom can be connected to surface casing by the method of sleeve welding.Pressure testing holes are
designed for the test of welding effect.
Applied Casing Program:20",13-3/8",9-5/8",7",5-1/2", etc.
1.The lower flange can be provided with a second smaller supplementary ring gasket allowing the maximum pressure build-off with one stage.
2.The casing spools used to suspend and to seal the casings.
3.The flanges and the passing inside diameters are designed according to API spec.6A.
|
Nominal Dimension of Top Flange (in) |
11,13-5/8,20-3/4,21-1/4 |
|
Working Pressure of Top Flange (MPsi) |
2,3,5,10 |
|
Surface Casing Dimension(in) |
20,13-3/8,9-5/8,7 |
|
Nominal Diameter of Side Outlet (in) |
2-1/16,2-9/16,3-1/8 |
We can disign and produce according to clients detailed requirements . welcome send me your request details.
Suppliers with verified business licenses
Audited Supplier 
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