Thin Button Drill Pipe and Lock Joints
The thin button drill pipe is made of high-quality seamless steel tube. The end part adopts hydraulic thickening, intermediate frequency heat treatment and threads adopt numerically controlled lathe. The lock joints are processed through special crafts, has excellent performance and credible quality. It can be produced in accordance with standards and customers' requirements.
Thin Button Drill Pipe
| Drill pipe specification | Upset type | Dimensions(mm) | Weight (Kg per meter) | Ends Weight gain(Kg) | ||
|---|---|---|---|---|---|---|
| External Diameter(mm) | Wall Thickness(mm) | Length(mm) | ||||
| 42 | lnternal Upset | 42 | 5 | 3000 4200 |
4.6 | 0.7 |
| 50 | 50 | 6.5 | 7 | 1 | ||
| 60 | 60 | 6 | 8 | 1.5 | ||
| 60 | External Upset | 60 | 6 | 4300 6000 8760 |
8 | 1.6 |
| 73 | 73 | 9 | 14 | 2.5 | ||
| 89 | 89 | 10 | 19.5 | 3.5 | ||
| 114 | 114 | 8 | 8760 | 20.9 | 5 | |
| 127 | Internal Upset | 127 | 10 | 28.8 | 6 | |
Lock Joints
| External Diameter (mm) |
Internal Diameter (mm) |
Cutting Opening (mm) |
Connection Thread | Matching drilling pipe | |
|---|---|---|---|---|---|
| Pitch | Taper | ||||
| 57 | 22 | 41 | 6 | 1: 5 | 42 |
| 65 | 28 | 46 | 6 | 1: 5 | 50 |
| 75 | 38 | 55 | 6 | 1: 5 | 60 lnternal Upset |
| 86 | 44.5 | 59 | 4 | 1: 6 | 60 External Upset |
| 105 | 50.8 | 80 | 4 | 1: 6 | 73 |
| 121 | 68 | 98 | 4 | 1: 6 | 89 |
| 156 | 95 | 126 | 4 | 1: 6 | 114 External Upset 127 Internal Upset |