Casing Pipe Manufacture
The benefits of Using casing Pipe in oil and gas production Using casing pipe in oil and gas production is…
The benefits of Using casing Pipe in oil and gas production
Using casing pipe in oil and gas production is a great way to ensure the safety and efficiency of your operations. Casing pipe is a type of steel pipe that is used to line the walls of a wellbore, providing structural integrity and preventing the wellbore from collapsing. It also helps to protect the wellbore from contamination and other environmental factors.
The use of casing pipe in oil and gas production offers a number of benefits. First, it helps to ensure the safety of the wellbore and the surrounding environment. Casing pipe helps to prevent the wellbore from collapsing, which can be a major safety hazard. It also helps to protect the wellbore from contamination, which can be a major environmental hazard.
| Labels a | Calculated Mass c | ||||||||||
| Nominal Linear Mass T& C b,c | Wall Thick- ness | em, Mass Gain or Loss Due to End finishing d | |||||||||
| 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 |
| 8 5/8 | 24 | 219.08 | 35.72 | 6.71 | 205.66 | 202.48 | 35.14 | 10.93 | — | — | — |
| 8 5/8 | 28 | 219.08 | 41.67 | 7.72 | 203.64 | 200.46 | 40.24 | 10.07 | — 12.44 | — 12.57 | — 2.51 |
| 8 5/8 | 32 | 219.08 | 47.62 | 8.94 | 201.2 | 200.02 e 198.02 195.58 | 46.33 | 9.39 | 12.44 | 12.57 | 2.51 |
| 8 5/8 | 32 | 219.08 | 47.62 | 8.94 | 201.2 | 193.68 e | 46.33 | 9.39 | 11.6 | 11.68 | 1.62 |
| 8 5/8 | 36 | 219.08 | 53.57 | 10.16 | 198.76 | 193.04 | 52.35 | 8.72 | 10.73 | 10.77 | 0.71 |
| 8 5/8 | 40 | 219.08 | 59.53 | 11.43 | 196.22 | 190.5 | 58.53 | — | 10.73 | 10.77 | 0.71 |
| 8 5/8 | 40 | 219.08 | 59.53 | 11.43 | 196.22 | 187.6 | 58.53 | — | 9.88 | 9.87 | –0.20 |
| 8 5/8 | 44 | 219.08 | 65.48 | 12.7 | 193.68 | 64.64 | — | 8.88 | 8.85 | –1.21 | |
| 8 5/8 | 49 | 219.08 | 72.92 | 14.15 | 190.78 | 71.51 | — | ||||
| 9 5/8 | 32.3 | 244.48 | 48.07 | 7.92 | 228.6 | 224.66 | 46.2 | 11 | — 14.48 | — 13.87 | — 2.74 |
| 9 5/8 | 36 | 244.48 | 53.57 | 8.94 | 226.6 | 222.63 | 51.93 | 10.36 | 13.59 | 12.97 | 1.84 |
| 9 5/8 | 40 | 244.48 | 59.53 | 10.03 | 224.4 | 222.25 e 220.45 218.41 218.41 216.54 216.54 | 57.99 | 9.69 | 13.59 | 12.97 | 1.84 |
| 9 5/8 | 40 | 244.48 | 59.53 | 10.03 | 224.4 | 215.90 e | 57.99 | 9.69 | 12.78 | 12.15 | 1.01 |
| 9 5/8 | 43.5 | 244.48 | 64.74 | 11.05 | 222.4 | 215.90 e 212.83 212.83 | 63.61 | — | 12.84 f | 12.15 | 1.01 |
| 9 5/8 | 43.5 | 244.48 | 64.74 | 11.05 | 222.4 | 212.72 e | 63.61 | — | 12.03 | 11.39 | 0.25 |
| 9 5/8 | 47 | 244.48 | 69.94 | 11.99 | 220.5 | 212.72 e 210.29 210.29 209.58 206.38 203.23 200.02 | 68.75 | — | 12.09 f | 11.39 | 0.25 |
| 9 5/8 | 47 | 244.48 | 69.94 | 11.99 | 222.5 | 68.75 | — | 10.57 | 9.92 | –1.22 | |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | 216.8 | 78.72 | — | 10.63 f | 9.92 | –1.22 | |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | 216.8 | 78.72 | — | 10.57 | 9.92 | –1.22 | |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | 216.8 | 78.72 | — | 10.63 f | 9.92 | –1.22 | |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | 216.8 | 78.72 | — | 9.58 | 8.92 | –2.22 | |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | 214.25 | 85.47 | — | 9.65 f | 8.92 | –2.22 | |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | 214.25 | 85.47 | — | 9.58 | 8.92 | –2.22 | |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | 214.25 | 85.47 | — | 9.65 f | 8.92 | –2.22 | |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | 214.25 | 85.47 | — | — | — | — | |
| 9 5/8 | 59.4 | 244.48 | 88.4 | 15.47 | 213.5 | 87.37 | — | — | — | — | |
| 9 5/8 | 64.9 | 244.48 | 96.58 | 17.07 | 210.3 | 95.73 | — | — | — | — | |
| 9 5/8 | 70.3 | 244.48 | 104.62 | 18.64 | 207.2 | 103.82 | — | — | — | — | |
| 9 5/8 | 75.6 | 244.48 | 112.51 | 20.24 | 204 | 111.93 | — | ||||
Second, casing pipe helps to improve the efficiency of oil and gas production. By providing structural integrity, casing pipe helps to ensure that the wellbore is able to withstand the pressure of the oil and gas production process. This helps to reduce the risk of blowouts and other production issues.
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Finally, casing pipe helps to reduce the cost of oil and gas production. By providing structural integrity, casing pipe helps to reduce the amount of time and money that is spent on Repairs and Maintenance. This can help to reduce the overall cost of production.
Overall, using casing pipe in oil and gas production is a great way to ensure the safety and efficiency of your operations. It helps to protect the wellbore from collapse and contamination, improve the efficiency of production, and reduce the cost of production.
| 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. | |||||||||
