钻杆接头粗细扣规范

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 3/880 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 7/895 32 69.605 231 53.975 76.200 88.9 230 70.948 77.8 104.8

3 1/2108 38 82.293 331 65.075 88.900 95.3 330 83.635 90.5 110.1

4 1/2140 58 113.800 431 90.47

5 117.475 108.0 430 112.211 119.1 123.8

5 1/2172 70 乙种

4

1:4 132.944 531 110.058 140.208 120.7 530 133.630 141.7 136.5

6 5/819

7 89 丙种1:6 146.24

8 631 131.030 152.197 127.0 630 145.601 154.0 142.9

7 5/8225 102 乙种1:4 170.549 731 144.475 177.800 133.4 730 171.235 180.2 149.2

8 5/8254 131 194.731 831 167.843 201.982 136.6 830 195.417 204.4 152.4

贯眼2 3/864 36.5

甲种 5 1:4

64.059 2A21 51.604 70.654 76.2 2A20 65.402 72.3 92.1

2 7/8108 54 85.480 221 69.850 92.075 88.9 220 86.82

3 94.5 104.8

3 1/2113 62 94.84

4 321 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 1/2146 80 甲种

5 1:4 115.113 421 96.317 121.717 101.

6 420 116.456 123.8 117.5

5 1/2178 101 丙种 4 1:

6 142.011 521 126.79

7 147.955 127.0 520 141.364 150.0 142.9

6 5/8203 12

7 165.59

8 621 150.368 171.526 127.0 620 164.950 173.8 142.9

内平2 3/8NC26 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 7/8NC31 105 54 80.848 211 71.32

3 86.131 88.9 210 80.860 87.7 140.8

3 1/2NC38 121 68.3 96.723 311 85.065 102.006 101.6 310 96.73

4 103.6 117.5

4 NC46 146 82.6 117.500 4A11 103.734 122.734 114.4 4A10 117.511 124.6 130.2

4 1/2NC50 15

5 95.3 128.059 411 114.300 133.350 114.4 410 128.070 134.9 130.2

5 1/2185 122 157.201 511 141.32

6 162.484 127.0 510 137.212 163.9 142.9

6 5/8212 145 184.173 611 168.260 189.456 127.0 610 184.186 192.0 142.9