3 Inch 4 Inch Drill Pipe Oil Hardened Drill Rod 1-12 Meter Length Long Service Life
No Weak Links
Traditionally the threads and the joint between the tube and the end-pieces are vulnerable. To combat the problem we've friction-welded the joints for maximum strength and heat-treated the end-pieces for optimum durability.
Standard DTH drill pipe:
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;
Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,
2 3/8 API IF, 3 1/2 API IF
Product Specification
| Rod dia(mm) | Rod Length(mm) | Thickness (mm) | Connect Thread | Trigger Slot | |
| inch | mm | ||||
| 3 | 76 | 1000-6000 | 5 | API2 3/8”REG | 57/64.5 |
| 3 | 76 | 1000-9000 | 8 | API2 3/8”REG | 57/64.5 |
| 3 1/2 | 89 | 1000-6000 | 6 | API2 3/8”REG | 70/64 |
| 3 1/2 | 89 | 1000-9600 | 8 | API2 3/8”REG | 70/64 |
| Rod dia(mm) | Rod Length(mm) | Thickness (mm) | Connect Thread | Trigger Slot | |
| inch | mm | ||||
| 4 | 102 | 1000-9000 | 10 | API2 3/7”REG | 76/89 |
| 4 1/2 | 114 | 1500-7620 | 6 | API3 1/2”REG | 89/95 |
| 4 1/2 | 114 | 1500-9140 | 8 | API3 1/2”REG | 89/95 |
| 4 1/2 | 114 | 1500-9140 | 10 | API3 1/2”REG | 89/95 |
| 4 1/2 | 114 | 1500-9140 | 18 | API3 1/2”REG | 89/95 |
| Rod dia(mm) | Rod Length(mm) | Thickness (mm) | Connect Thread | Trigger Slot | |
| inch | mm | ||||
| 5 | 127 | 1500-9500 | 12 | API3 1/2”REG | 89 |
| 5 | 127 | 1500-9500 | 14 | API3 1/2”REG | 89 |
| 5 | 127 | 1500-9500 | 18 | API3 1/2”REG | 89 |
| 5 1/2 | 140 | 1500-9500 | 9 | API4 1/2”REG or 4’FH | 114 |
| 5 1/2 | 140 | 1500-9500 | 10 | API4 1/2”REG or 4’FH | 114 |
| 5 1/2 | 140 | 1500-9500 | 12 | API4 1/2”REG or 4’FH | 114 |
Production Line
