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Model | ZJ20T | ZJ30T | ZJ30DT | ZJ40/T | ZJ40DT | ||||
Drilling depth m | 2000(41/2″DP) | 3000(41/2″ DP ) | 3600(31/2″ DP ) | 4000(41/2″ DP ) | 4000(41/2″ DP ) | ||||
1800(5″DP) | 2500(5″ DP ) | 2500(5″ DP ) | 3200(5″ DP ) | 3200(5″ DP ) | |||||
Max hook load kN | 1580 | 1800 | 1800 | 2250 | 2250 | ||||
Hook speed m/s | 0.2~1.5 | ||||||||
Mast height m | 35/36/38 | ||||||||
Mast type | Mast type or erective sections | ||||||||
Height of drill floor m | 4.5 | 6 | 5.5 | 6 | 6~6.7 | ||||
Engine model | C18 | 2×C15 | 3508B+SR4B diesel generator set | 2×C18 | 3508B+SR4B diesel generator set | ||||
Engine power kW | 470 | 2×402 | 2×1000+600 | 2×470 | 2×1250+600 | ||||
Transmission type | Hydraulic+ mechanical | Hydraulic+ mechanical | VFD/SCR | Hydraulic+ mechanical | VFD/SCR | ||||
Transmission type | 6620 | 2×5620 | 2×6620 | ||||||
Traveling system | 5×4 | 6×5 | 5×4 | 6×5 | 6×5 | ||||
Drawworks model | JC20 | JC30 | JC30 | JC40 | JC40 | ||||
Main brake | Disc | Disc | Disc | Disc | Disc | ||||
Auxiliary brake | WCB224 | WCB324 | DWS40 | WCB236 | DWS40 | ||||
Main wireline diameter mm | φ29 | φ32 | |||||||
Model of hook block | YG160 | YG180 | YG180 | YG225 | YG225 | ||||
Swivel model | SL160 | XSL225 | XSL225 | XSL225 | XSL225 | ||||
Model of rotary table | ZP175 | ZP275 | ZP205 | ZP275 | ZP275 | ||||
Mud pump power kW/set | 590 | 590/2 | 746/2 | 960/2 | 960/2 | ||||
Working pressure of hydraulic system MPa | 14 | 14/21 | |||||||
Working pressure of air system MPa | 1 | ||||||||













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