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| Model:U.S Met | ZJ70/4500L | ZJ70/4500LD | ZJ70/4500DZ | ZJ70/4500DB | ZJ70/4500DBF |
| Nominal drilling depth: 4-1/2DP ft m5DP ft m | 14800~23000 4500~700013100~19700 4000~6000 | ||||
| Max.hook load: KIPS KN | 992 4500 | ||||
| Max. drill pipe load: KIPS KN | 485 2200 | 507 2300 | |||
| Drawworks max.input power: hp Kw | 2000 1470 | 4020 3000 | |||
| Drawwork shifts | 4forward+2reverse | 4 | 4/stepless | stepless | |
| Main brake model | Disc brake /Band brake | ||||
| Auxiliary brake model | Eddy current brake/E.T. N brake | Energy consumption brake/eddy current brake/E.T. N brake | |||
| Wireline diameter : in mm | 1-1/2 38 | ||||
| Crown sheaves number and traveling sheaves number | 6×7 | ||||
| Hoisting system stringing method | Stringing in order/crossed stringing | ||||
| Traveling sheave diameter: in mm | 60 1524 | ||||
| Open diameter of rotary table: in mm | 37-1/2 952.5 | ||||
| Rotary table drive type | Combination drive | Detachment drive | Combination drive&Detachment drive/Combination drive /Detachment drive | ||
| Mast type | ∏ | ||||
| Clear height derrick: ft m | 152 46.5 | ||||
| Substructure height: ft m | 20.5,29.5,34.5 7.5,9,10.5 | ||||
| Clear height of substructure: ft m | 20,25,30 6.12,7.62,9.12 | 20,25,30,35 6.12,7.62,9.12,10.62 | |||
| Power of single mud pump: hp KW | 1600 1180 | ||||
| Mud pump sets | 2 | 3 | |||
| Type of driving | Integrated chain box | AC-SCR-DC | AC-DC-AC(VFD) | AC-DC-AC(VFD)/engine pump sets | |
| Power of main diesel: hp KW | 1500 1100 | 1630 1200 | |||
| Diesel sets | 3 | 4 | |||
| Total volume of mud tank: BBL m3 | 2500 380 | ||||
7000m drilling rig