Skid-Mounted Drilling Rig ZJ90DB
Promulgator
：admin Time：2016-08-04
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
