API 5CT Casing Tubing/Pipes – All Grade for Choice
exploring the benefits of API 5ct casing Tubing Pipes for oil and gas applications
API 5CT casing tubing is a crucial component for any Oil and Gas operation. It is used to support the walls of the wellbore and to protect the wellbore from collapsing. It is also used to provide a pathway for the oil and gas to flow from the reservoir to the surface.
| Tensile and hardness requirements | |||||||||
| grade | yield strength MPa | Tensile Strength | Hardness a,c | Specified Wall thickness | Allowable Hardness Variation b | ||||
| type | Total Elongation Under Load | min MPa | max | ||||||
| min | max | HRC | HBW | mm | HRC | ||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| h40 | — | 0.5 | 276 | 552 | 414 | — | — | — | — |
| J55 | — | 0.5 | 379 | 552 | 517 | — | — | — | — |
| K55 | — | 0.5 | 379 | 552 | 655 | — | — | — | — |
| N80 | 1 | 0.5 | 552 | 758 | 689 | — | — | — | — |
| N80 | Q | 0.5 | 552 | 758 | 689 | — | — | — | — |
| R95 | — | 0.5 | 655 | 758 | 724 | — | — | — | — |
| L80 L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| L80 | 9Cr 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| 0.5 | 552 | 655 | 655 | 23 | 241 | — | — | ||
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| C110 | — | 0.7 | 758 | 828 | 793 | 30 | 286 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| P110 | — | 0.6 | 758 | 965 | 862 | — | — | — | — |
| Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | — | £12.70 | 3 |
| 12.71 to 19.04 19.05 | 4 | ||||||||
| 5 | |||||||||
| a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method. | |||||||||
| b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9. | |||||||||
| c For through-wall hardness tests of grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number. | |||||||||
The benefits of using API 5CT casing tubing are numerous. First, it is designed to withstand the extreme pressures and temperatures that are encountered in oil and gas operations. This ensures that the wellbore remains stable and secure. Additionally, the casing tubing is designed to be corrosion-resistant, which helps to protect the wellbore from damage caused by corrosive elements.
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Another benefit of API 5CT casing tubing is that it is designed to be lightweight and easy to install. This makes it ideal for use in remote locations where access to heavy equipment is limited. Additionally, the casing tubing is designed to be flexible, allowing it to be easily maneuvered around obstacles in the wellbore.
Finally, API 5CT casing tubing is designed to be cost–effective. It is made from high-quality materials that are designed to last for many years. This helps to reduce the cost of Maintenance and Repairs, which can be expensive in the long run.
Overall, API 5CT casing tubing is an essential component for any oil and gas operation. It is designed to be durable, lightweight, and cost-effective, making it an ideal choice for any application. With its numerous benefits, it is easy to see why API 5CT casing tubing is a popular choice for oil and gas operations.
