| Model |
ZJ20K |
|
|
Nominal drilling depth （ft） |
41/2″DP |
6600 |
|
5″DP |
5906 |
|
|
Max hook load （lbf） |
300000 |
|
|
Hook speed (ft/s) |
0.66～5 |
|
|
Mast height (ft) |
102 |
|
|
Mast type |
Erective |
|
|
Drill floor height (ft) |
15 |
|
|
Substructure type |
Box-on-box |
|
|
Motor/Engine type |
C18 |
|
|
Motor/Engine power (hp) |
630 |
|
|
Drive ways |
Hydraulic+ mechanical |
|
|
Transmission box model |
S6610HR |
|
|
Traveling system |
5×4 |
|
|
Drawworks |
JC20K |
|
|
Drawworks power (hp) |
470 |
|
|
Main brake |
Band brake |
|
|
Auxiliary brake |
224WCB |
|
|
Drilling line diameter (in) |
1 1/8 |
|
|
Hook block |
YG160B |
|
|
Swivel |
XSL170 |
|
|
Rotary table |
ZP175 |
|
|
Mud pump nominal power (hp/set) |
800×2 |
|
|
Nominal working pressure of hydraulic system (psi) |
2000 |
|
|
Max working pressure of air system psi |
145 |
|
