
| 钻具类型 | 外径 | 壁厚 mm | 内径 mm | 内容积 m∕m | 排代量 m∕m | 线密度 Kg∕m | 立柱排代量(以28.5米/柱计算) | ||||
| mm | in | 一立柱 | 三立柱 | 五立柱 | 十立柱 | ||||||
| 钻 杆 | 88.9 | 3 1/2 | 9.35 | 70.2 | 0.00387 | 0.00234 | 19.80 | 0.067 | 0.210 | 0.330 | 0.667 |
| 127.0 | 5 | 9.19 | 108.6 | 0.00926 | 0.00341 | 29.01 | 0.097 | 0.292 | 0.486 | 0.972 | |
| 127.0 HW | 5 | 25.4 | 76.2 | 0.00456 | 0.00810 | 73.50 | 0.231 | 0.693 | 1.155 | 2.309 | |
| 139.7 | 5 1/2 | 10.54 | 118.92 | 0.01110 | 0.00427 | 36.80 | 0.122 | 0.365 | 0.608 | 1.217 | |
钻铤 | 120.65 | 4 3/4 | 31.75 | 57.15 | 0.00256 | 0.00887 | 69.70 | 0.239 | 0.718 | 1.197 | 2.394 |
| 158.8 | 6 1/4 | 50.83 | 57.15 | 0.00256 | 0.01730 | 135.6 | 0.467 | 1.400 | 2.330 | 4.670 | |
| 158.8 | 6 1/4 | 43.68 | 71.4 | 0.00401 | 0.01600 | 123.6 | 0.450 | 1.350 | 2.250 | 4.500 | |
| 177.8 | 7 | 53.21 | 71.44 | 0.00401 | 0.02082 | 163.2 | 0.562 | 1.686 | 2.811 | 5.620 | |
| 203.2 | 8 | 65.88 | 71.44 | 0.00401 | 0.02836 | 222.7 | 0.766 | 2.297 | 3.828 | 7.656 | |
| 228.6 | 9 | 78.58 | 71.44 | 0.00401 | 0.03702 | 290.2 | 1.055 | 3.165 | 5.275 | 10.549 | |
| 241.3 | 9 1/2 | 84.50 | 76.0 | 0.00453 | 0.04261 | 322.9 | 1.150 | 3.451 | 5.752 | 11.503 | |
| 279.4 | 11 | 102.0 | 76.0 | 0.00453 | 0.05678 | 445.0 | 1.533 | 4.599 | 7.655 | 15.330 | |
(本表仅用于下钻时回压阀以上的钻具)
| 钻具类型 | 外径 | 壁厚 mm | 内径 mm | 内容积 m∕m | 排代量 m∕m | 线密度 Kg∕m | 立柱排代量(以28.5米/柱计算) | ||||
| mm | in | 一立柱 | 三立柱 | 五立柱 | 十立柱 | ||||||
| 钻 杆 | 88.9 | 3 1/2 | 9.35 | 70.2 | 0.00234 | 0.177 | 0.531 | 0.885 | 1.770 | ||
| 127.0 | 5 | 9.19 | 108.6 | 0.00341 | 0.361 | 1.083 | 1.804 | 3.608 | |||
| 127.0HW | 5 | 25.4 | 76.2 | 0.00810 | |||||||
| 139.7 | 5 1/2 | 10.54 | 118.92 | 0.00427 | 0.437 | 1.310 | 2.183 | 4.366 | |||
钻铤 | 120.65 | 4 3/4 | 31.75 | 57.15 | 0.00887 | 0.326 | 0.977 | 1.628 | 3.257 | ||
| 158.8 | 6 1/4 | 50.83 | 57.15 | 0.01730 | 0.5 | 1.639 | 2.821 | 5.2 | |||
| 158.8 | 6 1/4 | 43.68 | 71.4 | 0.01600 | 0.708 | 7.073 | |||||
| 177.8 | 7 | 53.21 | 71.44 | 0.02082 | 0.924 | 2.122 | 3.536 | ||||
| 203.2 | 8 | 65.88 | 71.44 | 0.02836 | 1.169 | 2.771 | 4.619 | 9.238 | |||
| 228.6 | 9 | 78.58 | 71.44 | 0.03702 | 1.303 | 3.507 | 5.846 | 11.691 | |||
| 241.3 | 9 1/2 | 84.50 | 76.0 | 0.04261 | 1.746 | 3.908 | 6.513 | 13.027 | |||
| 279.4 | 11 | 102.0 | 76.0 | 0.05678 | 0.326 | 5.239 | 8.732 | 17.465 | |||
