About API 5CT K55 Casing Tubing
API 5CT K55 Casing Tubing serves to transport both crude oil and natural gas from oil and gas layer to the surface pipeline after drilling is completed. It is able to bear the pressure produced by the exploitation process. After the outer surface is coated with a protective layer, the tubing is marked in accordance with the API 5CT standard and strapped with metal belt
We manufacture API 5CT K55 Casing Tubing in accordance with the SY/T6194-96 standard, it is available as short thread type and long thread type supplied with their couplings.
This oilfield tubing can be classified as NUE type and EUE type. You can find here Casing Dimensions & Casing Wall Thickness.
K55 Casing is placed downhole to provide structural integrity to the wellbore and must withstand external-collapse pressure from rock formations and internal-yield pressure from fluid and gas. It must also hold its own deadweight and withstand the torque and transaxial pressure placed on it while running downhole.
K55 Tubing is placed within the casing. It is used to transport oil and gas from the source rock to the wellhead.
Application:
Petroleum, construction, shipbuilding, smelting, aviation, electric power, food, paper, chemical industry, medical equipment, boilers, heat exchangers, metallurgy and so on.
K55 Casing Tubing Dimensions
| Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes | |
| Outer Diameter (Casing Pipe Sizes) | 4 1/2″-20″, (114.3-508mm) |
| Standard Casing Sizes | 4 1/2″-20″, (114.3-508mm) |
| Thread Type | Buttress thread casing, Long round thread casing, Short round thread casing |
| Function | It can protect the tubing pipe. |
| GRADE | K55 TUBING:J55, JFBNAU, L80, P110, 1% Chrome |
| K55 CASING:J-55, L80 HC, P110 HC | |
| END TYPE | K55 TUBING:Plain End EUE 8RD |
| K55 CASING:Plain End, STC, LTC, BTC | |
K55 Casing Tubing Steel Color Code
| Name | K55 |
| Casing | two bright green bands |
| Coupling | entire green coupling |
API 5CT k55 Gr. Mechanical Properties
| API 5CT Casing Standard | Type | API 5CT Casing Tensile Strength MPa |
API 5CT Casing Yield Strength MPa |
API 5CT Casing Hardness Max. |
| API SPEC 5CT | K55 | ≥517 | ≥655 | — |
API 5CT K55 Casing Tubing Features
l API 5CT K55 Casing Tubing is offered with a free length range from 8m to 13m on basis of the SY/T6194-96 norm. However, it is also available no less than 6m length and its quantity should be no more than 20%.
l Deformations which mentioned above are not allowed to appear on the outer surface of API 5CT K55 Casing Tubing coupling.
l Any deformation such as hairline, separation, crease, crack or scab is not acceptable on both inner and outer surfaces of the product. All these defects should be completely removed and the removed depth must not exceed 12.5% of nominal wall thickness.
l The surface of thread of coupling and API 5CT K55 Casing Tubing should be smooth without any burr, tear or other defects that may have a negative impact on the strength and close connection.
For more detail, pls contact: info@shinestar-steel.com
Post time: Oct-21-2021