Rig Model

ZJ20DBS

ZJ30DBS

ZJ40DBS

ZJ50DBS

ZJ70DBS

Nominal drilling depth, 127mm(5″)DP, m

2000

3000

4000

5000

7000

Max. hook load,  kN(t)

1350(135)

1700(170)

2250(225)

3150(315)

4500(450)

Drill line number

8

10

10

12

12

Dia. of wireline, mm

29

29

32

35

38

Max. pull of fastline, kN

200

200

275

350

487

Drawworks

Model

JC-20DB

JC-30DB

JC-40DB

JC-50DB

JC-70DB

Rated power, kW(hP)

400(500)

450(600)

900(1200)

1200(1600)

1940(2600)

Gears

one gear, stepless speed regulating

Brake

hydraulic disk brake + dynamic brake

EATON brake + dynamic brake

Crown block

TC135

TC170

TC225

TC315

TC450

Traveling block

YG135

YC170

YC225

YC315

YC450

OD of sheaves of hoisting system, mm

1005

1120

1270

1524

Hook

YG135

YG170

DG225 or DG250

DG315

DG450

Swivel

Model

SL-135

SL-170

SL-225

SL-450

SL-450

Dia. of stem bore

75

75

75

75

75

Rotary table

Opening dia.  mm(in)

444.5(17 1/2)

520(20 1/2)

698.5(27 1/2)

952.5(37 1/2)

952.5(37 1/2)

Gears

 one gear, stepless speed regulating

Drive mode

independent motor drive

Derrick (mast)

Type

K or telescoping

K or A

K

K

K

Height, m

31 or 39

41

43

45

45

Max. load, kN(lbs)

900

1700

2250

3150

4500

Substructure

Type

box on box, or telescoping

dual-lifting

dual-lifting or swing up

Drillfloor height

3.8 or 4.5

5 or 5.5

7.5

9

10.5

Clearance height under rotary beam, m

2.6 or 3.3

3.8 or 4.3

6

7.6

9

Mud pump

Model×number

F800×1

F1000×2

F1300×2

F-1600×2

F-1600×3

Drive mode

electric drive

electric drive

Electric control mode

AC-DC-AC、one to one