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钻杆接头粗细扣规范
点击次数：2292 发布时间：2014-9-10
钻杆接头粗细扣规范
类 型 | 公称直径 | 数字型 | 接头外径 | 水 眼 | 螺纹种类 | 每寸牙数 | 锥 度 | 基面螺纹均直径 |
| 公接头 |
| 母接头 | ||||||
扣 型 | 螺纹小端外径 | 螺纹大端外径 | 扣 长 |
| 扣 型 | 螺纹始端外径 | 扩孔 直径 | 扣 长 | ||||||||||
| 英寸 |
| D | d |
|
| 2tgФ | C |
|
| Ds | Dl | Lpc |
|
|
| Qc | Lbc |
数 字 型 |
| NC23 |
|
|
| 4 | 1:6 | 59.817 |
|
| 52.400 | 65.100 | 76.2 |
|
| 59.83 | 66.7 | 92.1 |
| NC35 |
|
|
| 89.687 |
|
| 79.096 | 94.971 | 95.2 |
|
| 89.69 | 96.8 | 111.11 | |||
| NC44 |
|
|
| 112.192 |
|
| 98.425 | 117.475 | 114.3 |
|
| 112.2 | 119.1 | 130.2 | |||
| NC56 |
|
|
| 1:4 | 142.646 |
|
| 117.500 | 149.250 | 127.0 |
|
| 143.98 | 150.8 | 142.9 | ||
| NC61 |
|
|
| 156.921 |
|
| 128.600 | 163.525 | 139.7 |
|
| 158.25 | 165.1 | 155.6 | |||
| NC70 |
|
|
| 179.146 |
|
| 147.650 | 185.750 | 152.4 |
|
| 180.48 | 187.3 | 168.3 | |||
| NC77 |
|
|
| 196.621 |
|
| 161.950 | 203.200 | 165.1 |
|
| 197.93 | 204.8 | 181.0 | |||
正规 | 2 3/8 |
| 80 | 25.4 | 甲种 | 5 | 1:4 7°7´30″ | 60.080 |
| 2A31 | 47.625 | 66.675 | 76.2 |
| 2A30 | 61.423 | 68.3 | 92.1 |
2 7/8 |
| 95 | 32 | 69.605 |
| 231 | 53.975 | 76.200 | 88.9 |
| 230 | 70.948 | 77.8 | 104.8 | ||||
3 1/2 |
| 108 | 38 | 82.293 |
| 331 | 65.075 | 88.900 | 95.3 |
| 330 | 83.635 | 90.5 | 110.1 | ||||
4 1/2 |
| 140 | 58 | 113.800 |
| 431 | 90.475 | 117.475 | 108.0 |
| 430 | 112.211 | 119.1 | 123.8 | ||||
5 1/2 |
| 172 | 70 | 乙种 | 4 | 1:4 | 132.944 |
| 531 | 110.058 | 140.208 | 120.7 |
| 530 | 133.630 | 141.7 | 136.5 | |
6 5/8 |
| 197 | 89 | 丙种 | 1:6 | 146.248 |
| 631 | 131.030 | 152.197 | 127.0 |
| 630 | 145.601 | 154.0 | 142.9 | ||
7 5/8 |
| 225 | 102 | 乙种 | 1:4 | 170.549 |
| 731 | 144.475 | 177.800 | 133.4 |
| 730 | 171.235 | 180.2 | 149.2 | ||
8 5/8 |
| 254 | 131 | 194.731 |
| 831 | 167.843 | 201.982 | 136.6 |
| 830 | 195.417 | 204.4 | 152.4 | ||||
贯眼 | 2 3/8 |
| 64 | 36.5 | 甲种 | 5 | 1:4 | 64.059 |
| 2A21 | 51.604 | 70.654 | 76.2 |
| 2A20 | 65.402 | 72.3 | 92.1 |
2 7/8 |
| 108 | 54 | 85.480 |
| 221 | 69.850 | 92.075 | 88.9 |
| 220 | 86.823 | 94.5 | 104.8 | ||||
3 1/2 |
| 113 | 62 | 94.844 |
| 321 | 77.622 | 101.443 | 95.3 |
| 320 | 96.187 | 102.8 | 111.1 | ||||
4 | NC40 | 133 | 71 | 丁种 | 4 | 1:6 | 103.429 |
| 4A21 | 89.662 | 108.712 | 114.4 |
| 4A20 | 103.440 | 120.3 | 130.1 | |
4 1/2 |
| 146 | 80 | 甲种 | 5 | 1:4 | 115.113 |
| 421 | 96.317 | 121.717 | 101.6 |
| 420 | 116.456 | 123.8 | 117.5 | |
5 1/2 |
| 178 | 101 | 丙种 | 4 | 1:6 | 142.011 |
| 521 | 126.797 | 147.955 | 127.0 |
| 520 | 141.364 | 150.0 | 142.9 | |
6 5/8 |
| 203 | 127 | 165.598 |
| 621 | 150.368 | 171.526 | 127.0 |
| 620 | 164.950 | 173.8 | 142.9 | ||||
内平 | 2 3/8 | NC26 | 86 | 44.5 | 丁种 | 4 | 1:6 4°45´48″ | 67.767 |
| 2A11 | 60.350 | 73.050 | 76.2 |
| 2A10 | 67.778 | 74.6 | 92.1 |
2 7/8 | NC31 | 105 | 54 | 80.848 |
| 211 | 71.323 | 86.131 | 88.9 |
| 210 | 80.860 | 87.7 | 140.8 | ||||
3 1/2 | NC38 | 121 | 68.3 | 96.723 |
| 311 | 85.065 | 102.006 | 101.6 |
| 310 | 96.734 | 103.6 | 117.5 | ||||
4 | NC46 | 146 | 82.6 | 117.500 |
| 4A11 | 103.734 | 122.734 | 114.4 |
| 4A10 | 117.511 | 124.6 | 130.2 | ||||
4 1/2 | NC50 | 155 | 95.3 | 128.059 |
| 411 | 114.300 | 133.350 | 114.4 |
| 410 | 128.070 | 134.9 | 130.2 | ||||
5 1/2 |
| 185 | 122 | 157.201 |
| 511 | 141.326 | 162.484 | 127.0 |
| 510 | 137.212 | 163.9 | 142.9 | ||||
6 5/8 |
| 212 | 145 | 184.173 |
| 611 | 168.260 | 189.456 | 127.0 |
| 610 | 184.186 | 192.0 | 142.9 | ||||