Main Parameters of DC SCR Drilling Rig
|
Model
|
Drilling depth
by 4 1/2" DP
|
Drilling depth
by 5" DP
|
Horse Power
|
Max. Hook Load
|
Mast Height
|
Substructure
(clear/work)Height
|
Mud Pump
|
|
mtr
|
mtr
|
(HP)
|
Metric Ton
|
mtr
|
mtr
|
No. X
Power
| |
|
ZJ40/2250D
|
4000
|
3200
|
1,000
|
225
|
43
|
6/7.5
|
2 X 1300HP
|
|
ZJ50/3150D
|
5000
|
4500
|
1,500
|
315
|
45
|
7.6/9
|
2 X 1600HP
|
|
ZJ70/4500D
|
7000
|
6000
|
2,000
|
450
|
46.5
|
9/10.5
|
3 X 1600HP
|
Technical
features:
1.
DC
motors drive drawworks, rotary table, mud pumps;
2.
AC-SCR-DC
Electric control system;
3.
Automatic
drilling through control hydraulic disc brake by soft control system;
4.
Swing-up
& sling shot type substructure
5.
Hydraulic
disc brake work as main brake system;
6.
The
auxiliary brake is water-cooling electromagnetic eddy current brake;
7.
Different
type of Top drive could be equipped;
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