Model

ZJ40LDB

ZJ40DB

ZJ50DB

ZJ70LDB

ZJ70DB

Drilling depth (m)

4 1/2″DP

8200-13000

8200-13000

11000-16000

15000-23000

15000-23000

5″DP

6600-10000

6600-10000

9200-15000

13000-20000

13000-20000

Max hook load (lbs)

500000

500000

700000

1000000

1000000

Hook speed (ft/s)

0.67-4.6

0-3.9

0-3.9

0-3.9

0-3.9

Mast height (ft)

141

141

141、148

148

148

Mast type

K type

K type

K type

K type

K type

Height of the drill floor (ft)

24.61

24.61

24.61、29.53

29.53、34.45

29.53、34.45

Substructure type

swing-up

Swing-up

Swin-up/sling-shot

Swing-up

Swing-up

Engine type

G12V190PZL-3

CAT3512B generator set

CAT3512B generato set

A12V190PZL-3

CAT3512
Bgenerator set

Engine power (No×hp)

3×1086

2×1676+536

3×1676

3×1421

4×1676

Transmission type

hydraulic+
mechanical

VFD

VFD

hydraulic+
mechanical

VFD

Model of the transmission box

YZOJ750

ZJ40

ZJ50

YZOJ750

ZJ70

Traveling system

5×6

5×6

6×7

6×7

6×7

Drawworks Model

JC40LDB

JC40DB

JC50DB

JC70LDB

JC70DB

Drawworks power (hp)

986

1073

1609

1971

2146

Main brake

disc brake

Disc brake

Disc brake

Disc brake

Disc brake

Auxiliary brake

FDWS40

energy-consumption braking

Energy-consumption braking

FDWS70

energy-
consumption
braking

Main wireline diameter (in)

11/4

11/4

13/8

11/2

11/2

Model of the hook block

YC225、DG225

YC225、DG225

YC315、DG315

YC450、DG450

YC450、DG450

Model of the swivel

SL225

SL225

SL450

SL450

SL450

Model of rotary table

ZP275

ZP275

ZP375

ZP375

ZP375

Mud pump power (hp/set)

960/2

960/2

960/2

1180/3

1180/3

Working pressure of the hydraulic system (psi)

2030/2320

Working pressure of air system (psi)

143

Weight (lbs)

710000

660000

770000

990000

880000