Parameters
|
Model no. |
ZJ40/2250L |
ZJ40/2250LDB |
ZJ40/2250D |
ZJ40/2250DB |
|
Driven type |
mechanical driven |
combination driven |
DC-SCR driven |
AC-VFD driven |
|
Nominal drilling depth(114mm drill pipe) m |
2500-4000 |
2500-4000 |
2500-4000 |
2500-4000 |
|
Max.hook load KN |
2250 |
2250 |
2250 |
2250 |
|
Max. number of line of travelling system |
10 |
10 |
10 |
10 |
|
Nominal dia. Of drilling line mm(in) |
32 (11/2) |
32 (11/2) |
32 (11/2) |
32 (11/2) |
|
Dia. Of sheaves of travelling system mm(in) |
1120 (44) |
1120 (44) |
1120 (44) |
1120 (44) |
|
Internal dia. Of swivel centre pipe mm(in) |
75 (3) |
75 (3) |
75 (3) |
75 (3) |
|
Drawworks power rating kW(hp) |
735 (1000) |
735 (1000) |
735 (1000) |
735 (1000) |
|
Shift number of drawworks |
6 forward 2 reverse |
4 forward 2 reverse |
4 forward 4 reverse |
1 stepless variable |
|
Rotary opening mm(in) |
520 (20 1/2) / 698.5 (27 1/2) |
520 (20 1/2) / 698.5 (27 1/2) |
520 (20 1/2) / 698.5 (27 1/2) |
520 (20 1/2) / 698.5 (27 1/2) |
|
Shift number of rotary table |
2 forward 2 reverse |
1 stepless variable |
2 forward 2 reverse |
1 stepless variable |
|
Rated power for each mud pump kW(hp) |
735 (1000) |
735 (1000) |
735 (1000) |
735 (1000) |
|
Mast clear height m(ft) |
43 (142) |
43 (142) |
43 (142) |
43 (142) |
|
Height of substructure floor m(ft) |
6(20) / 7.5 (25) |
6(20) / 7.5 (25) |
6(20) / 7.5 (25) |
6(20) / 7.5 (25) |
|
Drilling floor clear height m(ft) |
4.56(15.5) / 6.26 (20.5) |
4.56(15.5) / 6.26 (20.5) |
4.56(15.5) / 6.26 (20.5) |
4.56(15.5) / 6.26 (20.5) |
