Model |
HZJ30 |
HZJ40 |
HZJ50DB |
HZJ70DB |
Drilling depth (ft) |
41/2″DP |
10000 |
13000 |
16500 |
23000 |
5″DP |
8000 |
10500 |
15000 |
20000 |
Max hook load (lbf) |
404640 |
505800 |
708120 |
1011600 |
Hook speed (ft/s) |
0.66~5 |
0.66~5 |
Derrick height (ft) |
108/118 |
135/148/154 |
Derrick type |
Double section, telescoping |
Tower type or jack up |
Drill floor height (ft) |
15~21 |
15~40 |
Engine type |
CAT3406C |
CAT3408B |
— |
— |
Engine power (hp ×set) |
360×2 |
530×2 |
805×7 |
1073×9 |
Drive ways |
hydraulic+ mechanical |
VFD drive |
VFD drive |
Traveling system |
5×4/6×5 |
7×6 |
7×6 |
Drawworks |
JC28 |
HJC50DB |
HJC70DB |
Drawworks power (hp) |
738 |
986 |
1475 |
2000 |
Main brake |
Band brake/Disc brake |
Band brake |
Auxiliary brake |
324WCB |
Motor Resistance Brake |
Drilling line diameter (in) |
1 1/8”/1 1/4” |
1 3/8” |
1 1/2” |
Hook block |
YG180/YG225 |
YC315,DG315 |
YC450,DG450 |
Swivel |
SL225/XSL225 |
SL450/XSL450 |
Rotary table |
ZP275 |
ZP375 |
Mud pump power(hp×set) |
1000×2 |
1300×2 |
1600×2 |
1600×3 |
Nominal working pressure of hydraulic system (psi) |
2000 |
2000/3000 |
Max working pressure of air system (psi) |
145 |