1. ZJ30~ZJ90 RIG
2. Electrical driven drilling rig
3. Mechanical driven drilling rig
4. SCR DC driving system
5. VFD system
Main technical parameters of 4000m Drilling Rigs
MODEL:U.S Met | ZJ40/2250L | ZJ40/2250LD |
Nominal drilling depth: | 820013200ft 25004000m (4 1/2"DP) | 820013200ft 25004000m (4 1/2"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 |
