Table 9 Maximum circumferential stresses and allowable stresses of steel casings with a length of 19 m.
Wall thicknesses of steel casings (mm) | Maximum circumferential stress (MPa) | Allowable stress (MPa) |
|---|---|---|
22 mm | 295.66 | 65.7 |
27 mm | 255.88 | 67.3 |
31 mm | 147.83 | 68.7 |
34 mm | 106.65 | 70.0 |
36 mm | 81.56 | 70.8 |