API 5CT J55/K55/N80 16″ Seamless Steel Oil Pipe Casing
Overview of API 5ct J55/K55/N80 16 seamless steel Oil Pipe Casing
API 5CT J55/K55/N80 16″ Seamless Steel Oil Pipe Casing API 5CT oil casing Steel tubingthe API 5CT J55/K55/N80 16″ seamless steel oil pipe casing is an essential component in the Oil and gas industry. It plays a crucial role in the extraction and transportation of oil and gas from the wellbore to the surface. In this article, we will provide an overview of this specific type of casing, highlighting its features, benefits, and applications. Firstly, let’s discuss the specifications of the API 5CT J55/K55/N80 16″ seamless steel oil pipe casing. This casing is manufactured according to the American petroleum institute (API) 5CT standard, which sets the requirements for casing and tubing used in oil and gas wells. The “J55/K55/N80” designation refers to the different steel grades used in the manufacturing process. These grades have varying mechanical properties, such as yield strength and tensile strength, to meet the specific needs of different well conditions. One of the key features of this casing is its seamless construction. Unlike welded casings, which are made by joining separate pieces of steel, seamless casings are manufactured from a single piece of steel. This seamless design offers several advantages. Firstly, it ensures a higher level of structural integrity, as there are no weak points or potential areas of failure due to welding. Secondly, it provides a smoother internal surface, reducing friction and allowing for more efficient fluid flow. The API 5CT J55/K55/N80 16″ seamless steel oil pipe casing is also known for its excellent corrosion resistance. It is designed to withstand harsh environments, including exposure to corrosive fluids and high temperatures. This corrosion resistance is achieved through the use of high-quality steel alloys and advanced coating technologies. As a result, the casing can maintain its integrity and protect the wellbore from external factors that could compromise the production process. In terms of applications, the API 5CT J55/K55/N80 16″ seamless steel oil pipe casing is widely used in both onshore and offshore drilling operations. It is suitable for a range of well conditions, including high-pressure and high-temperature environments. The casing provides a reliable barrier between the wellbore and the surrounding formations, preventing the collapse of the well and the contamination of the oil or gas reservoir.
Furthermore, this casing is compatible with various completion techniques, such as Cementing and hydraulic fracturing. It allows for the efficient installation of well completion equipment, such as production tubing and Packers, ensuring the smooth flow of oil and gas to the surface. The casing’s seamless design also facilitates the running and retrieval of Downhole tools, reducing operational downtime and costs.
In conclusion, the API 5CT J55/K55/N80 16″ seamless steel oil pipe casing is a vital component in the oil and gas industry. Its seamless construction, corrosion resistance, and compatibility with different well conditions make it a reliable choice for drilling operations. Whether used in onshore or offshore applications, this casing ensures the integrity of the wellbore and facilitates the efficient extraction and transportation of oil and gas.
| Calculated Mass c | |||||||||||
| Nominal linear Mass T& C b,c | Wall thick– ness | em, Mass Gain or Loss Due to End Finishing d | |||||||||
| Labels a | Outside diameter | Inside Diameter | Drift Diameter | Plain- end | kg | ||||||
| Round thread | Buttress Thread | ||||||||||
| wpe | |||||||||||
| D | kg/m | t | D | mm | kg/m | Short | Long | RC | SCC | ||
| mm | mm | mm | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 7 | 17 | 177.8 | 25.6 | 5.87 | 166.06 | 162.88 | 24.89 | 7.61 | — | — | — |
| 7 | 20 | 177.8 | 29.91 | 6.91 | 163.98 | 160.8 | 29.12 | 6.74 | — 7.94 | — 8.28 | — 0.58 |
| 7 | 23 | 177.8 | 34.67 | 8.05 | 161.7 | 158.75 e 158.52 156.24 153.90 | 33.7 | 6.26 | 7.94 | 8.28 | 0.58 |
| 7 | 23 | 177.8 | 34.67 | 8.05 | 161.7 | 152.40 e | 33.7 | 6.26 | 7.37 | 7.65 | –0.54 |
| 7 | 26 | 177.8 | 39.14 | 9.19 | 159.42 | 151.6 | 38.21 | 5.79 | 6.79 | 7.13 | –0.69 |
| 7 | 29 | 177.8 | 43.6 | 10.36 | 157.08 | 149.32 | 42.78 | — | 6.23 | 6.4 | –1.31 |
| 7 | 32 | 177.8 | 47.92 | 11.51 | 154.78 | 147.18 | 47.2 | — | 6.23 | 6.4 | –1.31 |
| 7 | 32 | 177.8 | 47.92 | 11.51 | 154.78 | 142.86 | 47.2 | — | 5.68 | 5.79 | –1.91 |
| 7 | 35 | 177.8 | 52.09 | 12.65 | 152.5 | 139.72 | 51.52 | — | 5.18 | 5.24 | –2.47 |
| 7 | 38 | 177.8 | 56.1 | 13.72 | 150.36 | 136.52 | 55.52 | — | — | — | — |
| 7 | 42.7 | 177.8 | 63.84 | 15.88 | 146.04 | 133.38 | 63.41 | — | — | — | — |
| 7 | 46.4 | 177.8 | 69.35 | 17.45 | 142.9 | 130.18 | 69.01 | — | — | — | — |
| 7 | 50.1 | 177.8 | 74.85 | 19.05 | 139.7 | 74.58 | — | — | — | — | |
| 7 | 53.6 | 177.8 | 80.21 | 20.62 | 136.56 | 79.93 | — | — | — | — | |
| 7 | 57.1 | 177.8 | 85.42 | 22.22 | 133.36 | 85.25 | — | ||||
| 7 5/8 | 24 | 193.68 | 35.72 | 7.62 | 178.44 | 175.26 | 34.96 | 7.11 | — 8.58 | — 9.12 | — 2.59 |
| 7 5/8 | 26.4 | 193.68 | 39.29 | 8.33 | 177.02 | 173.84 | 38.08 | 6.78 | 7.91 | 8.38 | 1.84 |
| 7 5/8 | 29.7 | 193.68 | 44.2 | 9.52 | 174.64 | 171.46 | 43.24 | — | 7.13 | 7.51 | 0.98 |
| 7 5/8 | 33.7 | 193.68 | 50.15 | 10.92 | 171.84 | 168.66 | 49.22 | — | 6.16 | 6.44 | – 0.10 |
| 7 5/8 | 39 | 193.68 | 58.04 | 12.7 | 168.28 | 165.1 | 56.68 | — | 5.32 | 5.5 | –1.03 |
| 7 5/8 | 42.8 | 193.68 | 63.69 | 14.27 | 165.14 | 161.96 | 63.14 | — | 4.87 | 5.01 | –1.52 |
| 7 5/8 | 45.3 | 193.68 | 67.41 | 15.11 | 163.46 | 160.28 | 66.54 | — | 4.48 | 4.57 | –1.96 |
| 7 5/8 | 47.1 | 193.68 | 70.09 | 15.88 | 161.92 | 158.74 | 69.63 | — | — | — | — |
| 7 5/8 | 51.2 | 193.68 | 76.19 | 17.45 | 158.78 | 155.6 | 75.84 | — | — | — | — |
| 7 5/8 | 55.3 | 193.68 | 82.3 | 19.05 | 155.58 | 152.4 | 82.04 | — | |||
| 7 3/4 | 46.1 | 196.85 | 68.6 | 15.11 | 166.63 | 165.10 e | 67.72 | — | — | — | — |
| 7 3/4 | 46.1 | 196.85 | 68.6 | 15.11 | 166.63 | 163.45 | 67.72 | — | — | — | — |
