Oil Drilling Rig Hydraulic Rotary Drilling Rig Machine

J70/4500DBS

It adopts integrated design of mechanical, electrical, hydraulic, pneumatic and digital control, utilizes fully the advantages of advanced digital control AC VF electric transmission, and simplifies its mechanical structure.

As adopting of slingshot type substructure, drill floor equipments and driller cabin etc realize low-position installation and integer lifting.

Main technical parameters

1

Nominal drilling depth

7000m ( 114mmDP )

10

Substructure type

slingshot type

6000m ( 127mmDP )

2

Max hook load

4500kN

11

Substructure height and clear height under RT beam

9m / 7.6m

3

Wire rope system of traveling system

6 × 7 , parallel

12

Mast type and effective height

K TYPE , 45m

4

DW rated power

1470 kW ( 2000hp )

13

Transmission mode

AC-VFD-AC

5

DW gear

One gear stepless speed regulation

14

Quantity/power of main diesel engine

4x 1087 kw

15

Quantity/power of auxiliary generator set

1x292kW

6

Diameter of drilling wire rope

φ 38mm

7

RT opening diameter

950mm ( 37 1/2″ )

16

Quantity and power of VF motor

1×600kW+2 × 1000kw+1 × 45kw +3 × 1200 kw

8

RT gear

One gear stepless speed regulation

Two gears stepless speed regulation

17

HP mud manifold

Φ 103mm ( bore diameter ) ×35MPa

9

Quantity and power of drilling pump

3× 1600 hp pump

18

Effective mud volume of solid control system

430m³