ZJ30CT trailer-mounted drilling rig is fitted with reliable diesel engine and transmission, 125 (38m) hydraulic telescoping mast, double wheel four-axle semi-trailer. Several patent technical designs and configuration, such as double fast line, hydraulic tong type auxiliary brake, are optional. The rig has following features: reasonable layout, low cost for mobilization, easy site installation, reliable operation performance, and easy maintenance. The rig suits drilling operation of shallow well within 9,840 (3000m).
◆ Driven by double diesel engine and hydraulic transmission.
◆ Allison hydraulic transmission.
◆ Special semi-trailer chassis with fast transportation and low transportation cost.
◆ Air-controlled water-cooling disk auxiliary brake for drawworks is optional.
Main Parameters
| Model |
ZJ30/1800CT |
| Drilling depth(4-1/2"DP) ft(m) |
9840(3000) |
| Workover depth(3-1/2"DP) ft(m) |
21325(6500) |
| Max.hook load lb(kN) |
404640(1800) |
| Drill line dia.,in.(mm)/lines |
φ1.25(φ32)/10 |
| Max.hook speed ft/s(m/s) |
4.46(1.36) |
| Overall dimensions in shipping status ft(m) |
81.36×10.83×14.76(24.8×3.3×4.5) |
| Weight lb(kg) |
165340(75000) |