Thin-Wall Wireline drill rods designed for exploration drilling for solid minerals. Thin-Wall drill rods reduce string weight up to 30% that allows to increase the depth capacity up to 25% and make economy on energy consumption during drilling.
Thin-Wall WireLine drill rods designed for exploration drilling for solid minerals. Thin-Wall drill rods reduce string weight up to 25% that allows to increase the depth capacity up to 25% and make economy on energy consumption during drilling.
Technical characteristics of Thin-Wall WireLine Drill Rods
| Name | Part # | Outer diameter D, mm | Inner diameter d, mm | Wall thickness t, mm | Rod length, mm | Weight, kg |
Threaded connection tightening torque, Nm Min / Max |
Maximum torque, Nm | Maximum drilling depth, m |
|---|---|---|---|---|---|---|---|---|---|
| NRQCL drill rod | WLN2-L-850-1500 | 69.9 | 59.80 | 3.5 | 1500 | 9.2 | 600 / 2880 | 2400 | 2200 |
| NRQCL drill rod | WLN2-L-850-3000 | 69.9 | 59.80 | 3.5 | 3000 | 17.8 | 600 / 2880 | 2400 | 2200 |
| HRQCL drill rod | WLH2-L-850-1500 | 89.0 | 77.30 | 4.0 | 1500 | 13.5 | 1010 / 4230 | 3530 | 1900 |
| HRQCL drill rod | WLH2-L-850-3000 | 89.9 | 77.30 | 4.0 | 3000 | 26.0 | 1010 / 4230 | 3530 | 1900 |
| PHDCL drill rod | WLP4-L-850-1500 | 114.3 | 101.55 | 4.5 | 1500 | 19.4 | 1010 / 4890 | 4070 | 1510 |
| PHDCL drill rod | WLP4-L-850-3000 | 114.3 | 101.55 | 4.5 | 3000 | 37.6 | 1010 / 4890 | 4070 | 1510 |
Comparable characteristics of drill string of Thin-Wall drill rods and usual drill rods
| Parameters | NRQ | NRQ-L | HRQ | HRQ-L | PHD | PHD-L |
|---|---|---|---|---|---|---|
| Weight of drill string for 500 m, tn | 3.85 | 2.97 | 5.70 | 4.34 | 8.17 | 6.27 |
| Weight of drill string for 1000 m, tn | 7.70 | 5.94 | 11.40 | 8.68 | 16.34 | 12.54 |
| Max. drilling depth for ZBO S15 drill rig, m | 1260 | 1680 | 855 | 1150 | 555 | 790 |