| Model, drilling rig |
ZJ30L drilling rig |
ZJ40L drilling rig |
ZJ50L drilling rig | ZJ70Ldrilling rig | ||
| Nominal drilling depth, 127mm(5 ″ )DP, m | 3000 | 4000 | 50000 | 7000 | ||
| Max. hook load (kN) | 1700 | 2250 | 3150 | 4500 | ||
| drill line number | 10 | 10 | 12 | 12 | ||
| Dia. Of wireline (mm) | 29 | 32 | 35 | 38 | ||
| Max. pull of fastline, kN | 200 | 280 | 350 | 487 | ||
| Drawworks | Model | JC30 | JC-40 | JC-50 | JC-70 | |
| Rated power, kW | 560 | 735 | 1100 | 1470 | ||
| Gears | 4+2R | 4+2R | 4+2R | 4+2R | ||
| Main brake | hydraulic disk brake, or band brake | |||||
| Assistant brake | electromagnetic eddy current brake | |||||
| Crown block | TC-170 | TC-225 | TC-315 | TC-450 | ||
| Travelling block | YG-170 | YC-225 | YC-225 | YC-450 | ||
| OD of sheaves for hoisting system,mm(in) | 1005 | 1120 | 1524 | |||
| Hook | YD-170 | DG-250 | DG-250 | DG450 | ||
| Swivel | Model | SL-170 | SL-250 | SL-250 | SL-450 | |
| dia.of stem bore (mm) | 75 | |||||
| Rotary table | opening dia. mm(in) | 444.5(17 1/2) | 520(20 1/2) | 698.5(27 1/2) | 952.5(37 1/2) | |
| Gears | 4+2R | 4+2R | 4+2R | 4+2R | ||
| Derrick (mast) | Type | A | K | K | K | |
| Height (m) | 41 | 43 | 45 | 45 | ||
| Max. load, kN(lbs) | 1700 | 2250 | 3150 | 4500 | ||
| Substructure | Type | Module-mounted, or box on box | ||||
| drillfloor height, m | 5/5.5 | 6/7.5 | 7.5 | 7.5 | ||
| clear height, m | 4/4.5 | 5,1/6.3 | 6.3 | 6.24 | ||
| Mud pump | Model×number | F-1000×2 | F-1300×2 | F-1300×2 or F1600×2 | F1600×2 | |
| drive mode | Diesels and compound | Diesels and compound | ||||
| Diesel power× number | 810KW×2 | 810KW×3 | 810KW×3 | 810KW×4 | ||
