API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing
Overview of API 5ct C90/C95/T95 13-3/8 seamless steel Oil Pipe Casing
API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing is a crucial component in the Oil and gas industry. This article provides an overview of this specific type of casing, highlighting its features, applications, and benefits.
| 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. | |||||||||
One of the key features of API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing is its high resistance to corrosion. This is crucial in the oil and gas industry, as wells are often exposed to harsh environments that can cause corrosion over time. The seamless construction of this casing eliminates the weak points that are typically found in welded casings, reducing the risk of corrosion and ensuring the longevity of the well.
In addition to its Corrosion resistance, API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing also offers excellent mechanical properties. It has a high tensile strength, which means it can withstand high pressure and external forces without deformation or failure. This is essential for maintaining the integrity of the well and preventing any leaks or accidents.
The API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing is widely used in the oil and gas industry for various applications. It is commonly used in drilling operations, where it is inserted into the wellbore to provide structural support and prevent the collapse of the well walls. The casing also acts as a conduit for the extraction of oil and gas from the reservoir to the surface.
Furthermore, this type of casing is suitable for both onshore and offshore drilling operations. Its corrosion resistance and high mechanical properties make it ideal for offshore wells, where the conditions are often more challenging. The seamless construction of the casing also reduces the risk of leaks, which is crucial in offshore environments to prevent any environmental damage.
In conclusion, API 5CT C90/C95/T95 13-3/8″ Seamless Steel Oil Pipe Casing is a vital component in the oil and gas industry. Its corrosion resistance, high mechanical properties, and seamless construction make it an excellent choice for wellbore support and oil and gas extraction. Whether used in onshore or offshore drilling operations, this casing ensures the integrity and longevity of the well, contributing to the overall success and safety of the industry.
