|
Model |
ZJ70DB |
ZJ70D |
ZJ70LDB |
|
|
Drilling depth (ft) |
41/2″DP |
23000 |
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|
5″DP |
20000 |
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|
Max hook load (lbf) |
1011600 |
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|
Hook speed (ft/s) |
0～6 |
0～5 |
0.66～5 |
|
|
Mast effective height (ft) |
148 |
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|
Mast type |
K type |
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|
Drill floor height (ft) |
35 |
35 |
35 |
|
|
Substructure type |
Swing up |
Swing up /sling shot |
Swing up |
|
|
Engine type |
CAT3512B generator set |
CAT3512B generator set |
A12V190PZL-3 |
|
|
Engine power (hp × set) |
4×1757 |
4×1757 |
3×1421 |
|
|
Drive ways |
VFD drive |
DC drive |
VFD drive + mechanical |
|
|
Transmission box model |
ZLQ70DB |
ZLQ70D |
Coupler YOZJ750 |
|
|
Traveling system |
7×6 |
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|
Drawworks |
JC70DB |
JC70D |
JC70LDB |
|
|
Drawworks power (hp) |
2000 |
2000 |
2000 |
|
|
Main brake |
Disc brake |
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|
Auxiliary brake |
Motor resistance brake |
DWS70 |
DWS70 |
|
|
Drilling line diameter (in) |
1 1/2” |
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|
Hook block |
YC450、DG450 |
|||
|
Swivel |
SL450 |
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|
Rotary table |
ZP375 |
|||
|
Mud pump power (hp×set) |
1600×3 |
|||
|
Nominal working pressure of hydraulic system (psi) |
2000 |
|||
|
Max. working pressure of air system (psi) |
145 |
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