Typical Applications
Oil well drill pipes play a critical role in oil and gas drilling operations as well as geological exploration projects.
Technical Specifications
| Model | Upper fittings | Lower fittings | Type |
| Kelly adapter | Kelly | Drill pipe | Type A or B |
| Drill pipe adapter | Drill pipe | Drill pipe | Type A or B |
| Conversion joint | Drill pipe | Drill collar | Type A or B |
| Drill collar adapter | Drill collar | Drill collar | Type A or B |
| Drill bit adapter | Drill collar | Drill bit | Type A or B |
| Swivel adapter | Swivel lower sub | Kelly | Type C |
| Fishing tools adapter Fishing tools adapter | Kelly | Drill pipe | Type C |
| Drill pipe | Fishing tools | Type C |
Note:
Type A: Straight type
Type B: Reducing type
Type C: Left-hand type