Specification
Model | Unit | ZJ70/4500 DB |
Nominal drilling depth(4-1/4” DP) | m | 4500-7000 |
ft | 15000-23000 | |
Max. hook load | kn | 4500 |
lbs | 1000000 | |
Traveling system | 6x7 | |
Wire line dia. | mm | 38 |
In | 1-1/2 | |
Rated power of drawworks | kw | 1470 |
hp | 2000 | |
Drawworks speed | I or II, smooth change | |
Braking type | Hyd. Disc brake + regeneration brake | |
Crown block | type | TC450 |
Traveling block | type | YC450 |
OD of block sheaves | mm | 1524 |
Swlive | type | SL450 |
Rotary table opening | mm | 950 |
in | 37.5 | |
Mast type and height (K type) | m | 45 |
ft | 148 | |
Substructure type and height (Swing/Slingshot) | m | 9~10.5 |
ft | 30~35 | |
Clear height under rotary beam | m | 7.5~9 |
ft | 25~30 | |
Mud pump number and power | kw | 2 x 1176 |
hp | 2 x 1600 | |
Max. pump pressure | mpa | 35~52 |
psi | 5000~7500 | |
Power drive mode | AC-DC-AC | |
Control mode | One to One/One to Two |