Model

ZJ20/1580CT

ZJ30/1700CT

ZJ30/1700DBT

ZJ40/2500CT

ZJ40/2500DBT

Drilling depth (ft)

6600(41/2DP)

10000(41/2DP)

12000(31/2DP)

13000(41/2DP)

13000(41/2DP)

5900(5DP)

6600(5DP)

10000(41/2DP)

10000(5DP)

10000(5DP)

Max hook load (lbs)

350000

400000

400000

500000

500000

Hook speed
(ft/s)

0.67~4.92

Mast height
(ft)

118/125

Derrick type

Mast type or erective sections

Height of drill floor (ft)

14.76

19.69

18.06

19.69

19.69~21.98

Engine model

CAT3412 DITA
Or C-16 ATAAC

2×CAT 3408C DITA
or 2×C-15 ATAAC

3508B+SR4B diesel generator set

CAT 3412 DITA
Or C-16 ATAAC

3508B+SR4B diesel generator set

Engine power (NO.×hp)

650
or 660

2×475

2×1341+805

2×650
or 2×660

2×1676+805

Transmission mode

Hydraulic+ Mechanical

Hydraulic+ Mechanical

VFD

Hydraulic+ Mechanical

VFD

Model of the transmission box

S6610HR

2×S5610HR

TZJ30

2×S6610HR

TZJ40

Traveling system

4×5

5×6

4×5

5×6

5×6

Model of the drawworks

JC20CT

JC30CT

JC30DBT

JC40CT

JC40DBT

Main brake

Disc

Disc

Disc

Disc

Disc

Auxiliary brake

WCB224

WCB324

DWS40

WCB236

DWS40

Main wireline diameter (in)

1 1/8

1 1/4

Model of the hook block

YG160

YG180

YG180

YG225

YG225

Swivel model

SL160

XSL225

XSL225

XSL225

XSL225

Model of rotary table

ZP175

ZP275

ZP205

ZP275

ZP275

Power for mud
pump(hp/set)

791

791/2

1000/2

1287/2

1287/2

Working pressure of the hydraulic system (psi)

2002

Working pressure of the air system (psi)

143