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Detailed Product Description

1. ZJ30~ZJ90 RIG
2. Electrical driven drilling rig
3. Mechanical driven drilling rig
4. SCR DC driving system
5. VFD system

MODEL:U.S Met

ZJ90/6750D

ZJ90/6750DB

Nominal drilling depth:

1970030000ft 60009000m(4 1/2"DP)
1640026250ft 50008000m(5"DP)

1970030000ft 60009000m(4 1/2"DP)
1640026250ft 50008000m(5"DP)

Max.hook load:

1518000lps  6750kN

1518000lps  6750kN

Max.drill stem load: 

716500lps  3250kN

716500lps  3250kN

Drawworks max.input power :

3000HP  2200kw

3000HP  2200kw

Drawworks speed steps 

4

stepless

Main brake model  

Hydraulic disk brake/band brake

Hydraulic disk brake/band brake

Auxiliary brake model

energy consumption brake /eddy current brake /E.T.N brake

energy consumption brake /eddy current brake /E.T.N brake

Wireline diameter: 

1-5/8"   42mm

1-5/8"   42mm

Crown sheaves number and travelling sheaves number

8×7

8×7

Open diameter of rotary table:

49-1/2"  1260mm

49-1/2"  1260mm

Rotary table drive type                 

Independent electric drive

Independent electric drive 

Mast type

"K"

"K"

Clear height of mast:

157ft  48m

157ft  48m

Substructure height:

29.5ft(9m),34.5ft(10.5m),39.4ft(12m)

29.5ft(9m),34.5ft(10.5m),39.4ft(12m)

Clear height of substructure:

25ft(7.62m),30ft(9.12m),34.8ft(10.6m)

25ft(7.62m),30ft(9.12m),34.8ft(10.6m)

Power of single mud pump:

1600HP   1180kw

1600HP   1180kw

Mud pump sets

3

3

Type of driving

AC-SCR-DC

AC-VFD-AC

Power of main diesel:

1632HP  1200kw

1632HP  1200kw

Main diesel sets

5

5

Total volume of mud tank:

2500BBL  400 m³

2500BBL  400 m³