Lifting sub
The lifting section is a special tool for lifting drilling tools in non-oil, natural gas and geological exploration drilling projects. It is processed according to SY/T5699-2010 and API Spec 7-1 specifications. The integral structure's lifting subsections are available in 18 degrees and 90 degrees, and can be selected according to the structure of the elevator when used.
Technical Specifications
| No. | Dimensions [mm(in)] |
Internal Diameter (mm) |
External thread connection | Lifting part | ||||
|---|---|---|---|---|---|---|---|---|
| Thread Type | External Diameter(mm) | Chamfering Diameter(mm) | Length of action(mm) | External diameter(mm) | Length of action(mm) | |||
| 1 | 73 (27/8) |
31.8 | NC23 | 79.4 | 76.2 | 250 | 111.1 | 100 |
| 2 | 44.5 | NC26 | 88.9 | 82.9 | ||||
| 3 | 88.9 (31/2) |
54 | NC31 | 104.8 | 100.4 | 127 | ||
| 4 | 50.8 | NC35 | 120.7 | 114.7 | ||||
| 5 | 68.3 | NC38 | 127 | 121 | ||||
| 6 | 127 (5) |
71.4 | NC44 | 152.4 | 144.5 | 168.3 | ||
| 7 | 158.8 | 149.2 | ||||||
| 8 | 82.6 | NC46 | 158.8 | 150 | ||||
| 9 | 165.1 | 154.8 | ||||||
| 10 | 171.5 | 159.5 | ||||||
| 11 | 95.3 | NC50 | 177.8 | 164.7 | ||||
| 12 | 184.2 | 169.5 | ||||||
| 13 | NC56 | 196.8 | 185.3 | 300 | ||||
| 14 | 203.2 | 190.1 | ||||||
| 15 | 6 5/8REG | 209.6 | 195.7 | |||||
| NC61 | 228.6 | 212.7 | ||||||
| 7 5/8REG | 241.3 | 223.8 | ||||||
| NC70 | 247.7 | 232.6 | ||||||
| 254 | 237.3 | |||||||
| 16 | 8 5/8REG | 279.4 | 266.7 | |||||