|
Model |
ZJ90DB |
|
|
|
Drilling depth (ft) |
41/2″DP |
29500 |
|
|
5″DP |
26000 |
|
|
|
Max hook load (lbf) |
1517400 |
|
|
|
Hook speed (ft/s) |
0～6 |
|
|
|
Mast effective height (ft) |
157 |
|
|
|
Mast type |
K type |
|
|
|
Drill floor height (ft) |
40 |
|
|
|
Substructure type |
Swing up |
|
|
|
Engine type |
CAT3512B generator set |
|
|
|
Engine power (hp × set) |
5×1757 |
|
|
|
Drive ways |
VFD drive |
|
|
|
Transmission box model |
ZLQ90DB |
|
|
|
Traveling system |
8×7 |
|
|
|
Drawworks |
JC90DB |
|
|
|
Drawworks power (hp) |
3000 |
|
|
|
Main brake |
Disc brake |
|
|
|
Auxiliary brake |
Motor resistance brake |
|
|
|
Drilling line diameter (in) |
1 3/4” |
|
|
|
Hook block |
YC675、DG675 |
|
|
|
Swivel |
SL750 |
|
|
|
Rotary table |
ZP495 |
|
|
|
Mud pump power (hp×set) |
1600×3/2200x3 |
|
|
|
Nominal working pressure of hydraulic system (psi) |
2000 |
|
|
|
Max. working pressure of air system (psi) |
145 |
||
