6A API Casing Head Section A For Wellhead Equipment Casing Head Spool
API 6A Casing Head Section A For Wellhead Equipment Casing Head Spool
The casing head is the part of wellhead equipment connected with casing spool which can be equipped with mandrel hanger and slip hanger, to handle any emergency effectively while the flange housing remains unchanged. The improvement of the structure simplifies the operation procedures and saves operating time
Features of Casing Head
* Straight-bore design 45˚shoulder with large load capacity
* Side outlet connection Pipeline thread side outlet Threaded flange side outlet VR thread
* Secondary seal mechanism is designed on the bottom. The casing can be cut on site during tubing installation so as to accommodate the seal height.
* Slip casing hanger and mandrel type casing hanger are interchangeable.
* Connection types between casing head and surface casing including welded bottom connection,threaded bottom connection and slip bottom connection
Technical Parameter of casing Head
| Product Name | API 6A Casing Head/Casing Spool/Casing Head Assembly |
| Material | 60K/75K forged alloy steel |
| Nominal Size | 7 1/16”-30” |
| Working Pressure | 2000Psi~20000Psi |
| Working Temperature | -60℃~121℃ (KU) |
| Material Class | AA, BB, CC, DD, EE, FF |
| Product Specification Level | PSL1~PSL3G |
| Performance Requiremen Level | PR1~PR2 |
Specification of casing head
| Top flange | Surface casing | Intermediate casing | Production casing |
| 11"-35MPa | 13 3/8" | 9 5/8" | 7" |
| 5 1/2" | |||
| 11"-70MPa | 13 3/8" | 9 5/8" | 7" |
| 5 1/2" | |||
| 11"-105MPa | 20"13 3/8" | 9 5/8" | 7" |
| 5 1/2" | |||
| 13 5/8"-35MPa | 13 3/8" | 9 5/8" | 7" |
| 5 1/2" | |||
| 13 5/8"-70MPa | 13 3/8" | 9 5/8" | 7" |
| 9 5/8" | |||
| 13 5/8"-105MPa | 20" | 13 3/8" | 7" |
| 5 1/2" |
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