济宁东宏机械设备有限公司
Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

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SCR Drilling Rig ZJ40D 
Model: ZJ40D
Present point: 0
Point offset: 0.0
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ZJ40D Drilling Rig

Features:

The drawworks is driven by two DC motors with 4+4R step-less speed, and reversal will be realized by DC motor reversal

The mud pump is driven by DC motors, which are mounted on the rear skid of mud pump, with V-belt  transmission

and simple structure.

The independent driven rotary table runs with 1+1R/2+2R step-less speed and reversal will be realized by DC motor reversal

The world popular AC-SCR-DC drive technology is used

K type mast is suitable for install top drive system

Sling shot or swing up substructure and mast are used so that all the equipment can be installed at lower position


Specification:

Model

Unit

ZJ40/2250 D

Nominal drilling depth(4-1/4” DP)

m

2500-4000


ft

8000-13000

Max. hook load

kn

2250


lbs

500000

Traveling system


5x6

Wire line dia.

mm

32


In

1-1/4

Rated power of drawworks

kw

735


hp

1000

Drawworks gear


4+4R, step-less speed

Braking type


Brand brake/Hyd. Disc brake

Max. load of swivel

kn

2250


lbs

500000

Rotary table opening

mm

700


in

27.5

Mast type and height (K type)

m

43


ft

141

Substructure type and height (Swing/Slingshot)

m

7.5~9


ft

25~30

Clear height under rotary beam

m

6~7.5


ft

20~25

Mud pump number and power

kw

2 x 956


hp

2 x 1300

Max. pump pressure

mpa

35


psi

5000

Power drive mode


AC-SCR-DC

Control mode


One to One/One to Two