North Star’s engineers produced the first HDD pipe in China in 2004: a simple, friction-welded model using a plain-end tube.
После 15 лет полевых испытаний и разработок исследовательская группа North Star усовершенствовала наши технологические процессы сварки до такой степени, что современные модели сварки трением являются самым популярным выбором наших партнеров и клиентов в Китае и по всей Азии - они ценят не только их долговечность и надежность, но и конкурентоспособные цены.
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| Кованые штанги для буровых установок ГНБ Vermeer | Сварные штанги для буровых установок ГНБ Ditch Witch | Общие технические условия на штанги |
| Rig Compatibility* | Thread | Length | Pipe OD | Joint OD | Pin Length (mm) | Max. Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | Part Number | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | ft | mm | inch | mm | inch | m | ft | ||||||||
| D7x11, D10x15 | #200 | 1829 | 6 | 42 | 1.66 | 48 | 1.88 | 50.7 | 2040 | 30.2 | 99.1 | 3.5 | 5.9 | 10 | NS10311 |
| D20x22, D23x30 | #400 | 3048 | 10 | 52 | 2.06 | 57 | 2.25 | 63.5 | 3525 | 34.3 | 112.5 | 5.1 | 8.7 | 27 | NS10312 |
| D24x40 | #600 | 3048 | 10 | 60 | 2.38 | 68 | 2.63 | 63.5 | 5695 | 39.6 | 130 | 4.4 | 7.5 | 32 | NS10024 |
| D40x40 | #600 | 4572 | 15 | 60 | 2.38 | 68 | 2.63 | 63.5 | 5695 | 39.6 | 130 | 6.6 | 11.3 | 47 | NS10012 |
| D33x44, D36x50 | #650 | 3048 | 10 | 60 | 2.38 | 70 | 2.75 | 63.5 | 6800 | 39.6 | 130 | 4.4 | 7.5 | 34 | NS10023 |
| D33x44, D36x50 | #650 | 4572 | 15 | 60 | 2.38 | 70 | 2.75 | 63.5 | 6800 | 39.6 | 130 | 6.6 | 11.3 | 48 | NS10058 |
| D36x50, D40x55 | #700 | 3048 | 10 | 67 | 2.63 | 79 | 3.1 | 76.2 | 7457 | 48 | 157.5 | 3.6 | 6.2 | 49 | NS10059 |
| D36x50, D40x55 | #700 | 4572 | 15 | 67 | 2.63 | 79 | 3.1 | 76.2 | 7457 | 48 | 157.5 | 5.5 | 9.3 | 71 | NS10060 |
| D50x100, D60x90 | #900 | 3048 | 10 | 73 | 2.88 | 83 | 3.25 | 88.9 | 12202 | 52 | 170.6 | 3.3 | 5.7 | 45 | NS10006 |
| D50x100, D60x90 | #900 | 4572 | 15 | 73 | 2.88 | 83 | 3.25 | 88.9 | 12202 | 52 | 170.6 | 5 | 8.5 | 65 | NS10061 |
| D50x100 | #900 | 4572 | 15 | 76 | 3 | 83 | 3.25 | 88.9 | 12 | 54.7 | 179.5 | 4.8 | 8.1 | 78 | NS10007 |
| D80x100 | #800 | 4572 | 15 | 89 | 3.5 | 92 | 3.62 | 88.9 | 13560 | 64 | 210 | 4.1 | 7 | 99 | NS10062 |
| D130x150 | #1000 | 6096 | 20 | 89 | 3.5 | 111 | 4.375 | 88.9 | 20400 | 64 | 210 | 5.5 | 9.3 | 140 | NS10064 |
| Rig Compatibility* | Thread | Length | Pipe OD | Joint OD | Pin Length (mm) | Max. Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | Part Number | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | ft | mm | inch | mm | inch | m | ft | ||||||||
| JT2720 | 1.94 | 3000 | 9.84 | 60 | 2.38 | 70 | 2.75 | 75 | 4340 | 39.6 | 130 | 4.3 | 7.4 | 34 | NS10002 |
| JT20 | 1.94 | 3000 | 9.84 | 52 | 2.06 | 67 | 2.63 | 75 | 2980 | 34.3 | 112.5 | 5 | 8.5 | 28 | NS10268 |
| JT2720M1, JT3020M1 | 2.11 | 3000 | 9.84 | 60 | 2.38 | 76.2 | 3 | 84.7 | 5420 | 39.6 | 130 | 4.3 | 7.4 | 36 | NS10001 |
| JT25/30 | 2.11 | 3000 | 9.84 | 60 | 2.38 | 70 | 2.75 | 84.7 | 5420 | 39.6 | 130 | 4.3 | 7.4 | 34 | NS10269 |
| JT4020 | 2.4 | 4500 | 14.76 | 73 | 2.88 | 82 | 3.23 | 99.5 | 6800 | 52 | 170.6 | 4.9 | 8.3 | 65 | NS10073 |
| JT4020M1 | 2.59 | 4500 | 14.76 | 76 | 3 | 89 | 3.5 | 91.5 | 6800 | 54 | 177.2 | 4.7 | 8 | 76 | NS10033 |
| JT7020M1, JT8020M1, JT100M1 | 3.27 | 4500 | 14.76 | 89 | 3.5 | 102 | 4 | 132.5 | 13560 | 64 | 210 | 4 | 6.9 | 98 | NS10075 |
| Pipe OD | Thread | Length | Joint OD | Max. Torque (Nm) | Recommended Make-up Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | in | mm | ft | mm | in | m | ft | ||||||
| 60 | 2.375 | ZX60 (BDSII) | 3000 | 9.84 | 68 | 2.677 | 8294 | 4976 | 39.6 | 130 | 4.3 | 7.4 | 32 |
| 73 | 2.875 | NC23 (BDS) | 3000 | 9.84 | 82 | 3.169 | 13978 | 8387 | 52 | 170.6 | 3.3 | 5.6 | 45 |
| 76 | 3 | NC26 | 3000 | 9.84 | 88 | 3.465 | 16560 | 9936 | 54 | 177.2 | 3.1 | 5.3 | 53 |
| 83 | 3.25 | ZX80 | 3000 | 9.84 | 92 | 3.622 | 20372 | 12223 | 59 | 193.6 | 2.9 | 4.9 | 59 |
| 4500 | 14.76 | 4.3 | 7.3 | 81 | |||||||||
| 89 | 3.5 | NC31 | 3000 | 9.84 | 105 | 4.134 | 29407 | 17644 | 64 | 210 | 2.7 | 4.6 | 71 |
| 4500 | 14.76 | 4 | 6.9 | 95 | |||||||||
| 102 | 4 | NC38 | 4500 | 14.76 | 127 | 5 | 39515 | 23709 | 73 | 239.5 | 3.5 | 6 | 123 |
| 6000 | 19.69 | 4.7 | 8 | 160 | |||||||||
| 114 | 4.5 | NC38 | 6000 | 19.69 | 127 | 5 | 51573 | 30944 | 82 | 269 | 4.2 | 7.1 | 165 |
| 114 | 4.5 | NC46 | 6000 | 19.69 | 157 | 6.181 | 68764 | 41259 | 82 | 269 | 4.2 | 7.1 | 203 |
| 127 | 5 | NC50 | 6000 | 19.69 | 168.3 | 6.625 | 108759 | 65255 | 91 | 298.6 | 3.8 | 6.4 | 250 |
| 9600 | 31.5 | 6 | 10.2 | 350 | |||||||||
| 140 | 5.5 | 5 1/2FH | 9600 | 31.5 | 190.5 | 7.5 | 117340 | 70404 | 100 | 328 | 5.5 | 9.3 | 450 |
| 168 | 6.625 | 6 5/8FH | 9600 | 31.5 | 209.6 | 8.25 | 120799 | 72480 | 121 | 397 | 4.5 | 7.7 | 460 |