MODEL:U.S Met

ZJ40/2250L

ZJ40/2250LD

Nominal drilling depth:

820013200ft 25004000m (4 1/2"DP)
660010500ft 20003200m5"DP

820013200ft 25004000m (4 1/2"DP)
660010500ft 20003200m5"DP

Max.hook load:

496000lps 2250kN

496000lps 2250kN

Max.drill stem load:

265000lps 1200kN

265000lps 1200kN

Drawworks max.input power :

1000HP 735kw

1000HP 735kw

Drawworks speed steps

4forward+2revers

4forward+2revers

Main brake model

Hydraulic disk brake/band brake

Hydraulic disk brake/band brake

Auxiliary brake model:

eddy current brake /E.T.N brake

eddy current brake /E.T.N brake

Wireline diameter:

1-1/4" 32mm

1-1/4" 32mm

Crown sheaves number and travelling sheaves number:

6×5

6×5

Open diameter of rotary table:

27-1/2" 698.5mm

27-1/2" 698.5mm

Rotary table drive type:

Independent/combination drive

Independent electric drive

Mast type:

"K"

"K"

Clear height of mast:

142ft 43m

142ft 43m

Substructure height:

16.4ft(5m)19.7ft(6m)24.6ft(7.5m)

16.4ft(5m)19.7ft(6m)24.6ft(7.5m)

Clear height of substructure:

12.4ft(3.76m)15.6ft(4.76m)20.5ft (6.26m)

12.4ft(3.76m)15.6ft(4.76m)20.5ft (6.26m)

Power of single mud pump:

1300HP 956kw

1300HP 956kw

Mud pump sets:

2

2

Type of driving:

integrated chain box

integrated chain box

Power of main diesel:

1100HP 810kw

1100HP 810kw

Main diesel sets:

3

3

Total volume of mud tank:

1700BBL 270 m³

1700BBL 270 m³