Drill pipe
DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability.
Product Description
DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig.The key features of a high quality DTH tube are durability, accuracy and manageability.
Drill Pipe:
1.Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer.
2.Pipe body's material is the same grade as Sandvik.
3.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload.
4.Friction welding.
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
Technical Parameters
| 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 |
