The Importance of Casing Tubes in Oil well operations

Casing tubes play a crucial role in Oil Well operations. These Pipes are used to line the drilled hole and provide structural support to the wellbore. They are typically made of Steel and are designed to withstand high pressure and extreme temperatures. In this article, we will explore the importance of casing tubes in oil well operations and how they contribute to the overall success of drilling projects.

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 | — |