Casing hanger is a assembly which can supports the casing string when it is used in the wellhead. The casing hanger can assure the casing string is correctly located and generally incorporates a sealing device or system to isolate the casing annulus from upper wellhead components.
Casing hangers are devices that allow casing to be set in the well bore during the drilling phase of an oil or gas well. There are two basic designs of casing hanger, slip-type or mandrel. The slip-type is the conventional and most commonly used. The mandrel-type is normally used when special needs arise during the building of the well. Both allow for the Tens of Thousands of pounds in weight of the casing string weight to be transferred from the of the drilling rig to the load shoulder in a casing head or spool.
| Product Name | Casing Hanger |
|---|---|
| Working Pressure | 2000 ~20000psi |
| Nominal Bore | 4-1/2 ~16 |
| Working Medium | oil,natural gas,mud and gas containing H2S,CO2 |
| Working Temperature | -46°C~121°C(Class LU) |
| Material Class | AA,BB,CC,DD,EE,FF,HH |
| Specification level | PSL1-4 |
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