Professional Oil Casing Pipe
The benefits of professional oil casing Pipe for oil and gas production
oil casing pipe is an essential component of Oil and Gas production. It is used to protect the wellbore from the pressure of the surrounding rock and to ensure the efficient flow of hydrocarbons to the surface. Professional oil casing pipe offers a number of advantages over traditional materials, making it an ideal choice for oil and gas production.
| chemical composition, Mass Fraction (%) | ||||||||||||||
| grade | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | |||||
| type | min | max | min | max | min | max | min | max | max | max | max | max | max | |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| h40 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| J55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| K55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| N80 | 1 | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
| N80 | Q | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
| R95 | — | — | 0.45 c | — | 1.9 | — | — | — | — | — | — | 0.03 | 0.03 | 0.45 |
| L80 | 1 | — | 0.43 a | — | 1.9 | — | — | — | — | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 |
| L80 | 9Cr | — | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | — | — | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| C90 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| T95 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| C110 | — | — | 0.35 | — | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| P110 | e | — | — | — | — | — | — | — | — | — | — | 0.030 e | 0.030 e | — |
| Q125 | 1 | — | 0.35 | 1.35 | — | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.01 | — | |
| NOTE elements shown shall be reported in product analysis. | ||||||||||||||
| a The carbon content for L80 may be increased up to 0.50 % maximum if the product is oil-quenched or polymer-quenched. | ||||||||||||||
| b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm. | ||||||||||||||
| c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched. | ||||||||||||||
| d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm. | ||||||||||||||
| e For EW Grade P110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum. | ||||||||||||||
One of the primary benefits of professional oil casing pipe is its durability. The pipe is designed to withstand the extreme pressures and temperatures found in oil and gas wells. It is also resistant to corrosion, which can be a major issue in wells with high levels of hydrogen sulfide. This ensures that the pipe will remain in good condition for many years, reducing the need for costly Repairs and replacements.
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Another advantage of professional oil casing pipe is its ability to reduce the risk of well blowouts. The pipe is designed to contain the pressure of the well, preventing it from esc APIng and causing a dangerous situation. This is especially important in deep wells, where the pressure can be extremely high.
Finally, professional oil casing pipe is designed to be easy to install and maintain. The pipe is designed to fit into existing wells, making it easy to replace or repair sections as needed. This reduces the amount of time and money spent on Maintenance and repairs, allowing oil and gas producers to focus on production.
Overall, professional oil casing pipe offers a number of advantages over traditional materials. It is durable, corrosion-resistant, and easy to install and maintain. This makes it an ideal choice for oil and gas production, helping to ensure the safety and efficiency of the well.
understanding the different types of Professional Oil Casing Pipe and their applications
| 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 | — | — | — | — |
