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