ZJ40--Basic parameter and specification

(1) Nominal drilling capacity(114mm DP)-2500-      4000m
(2) Max. hook load-2250kN
(3) Max. weight of drill stem-1200kN
(4) String of the hoisting system-5* 6
(5) Dia. Of wireline-32mm
(6) Rated input power of drawworks-970kW
(7) Opening dia. Of rotary table-699mm
(8) Gears of drawworks and rotary table-stepless       speed regulating
(9) Rated power and qty of mud pump-960kW       (1300HP)/ 2 sets
(10)Derrick model and available height-K/43m

  (11)Height from drilling floor-7.5m
  (12)Clearance height under rotary          beam-6.3m
  (13)Electric control mode-AC-SCR-DC
  (14)Double SP high pressure manifold         4" *35 Mpa
  (15)Power and quantity of AC electric         motor-970kW*3+37kW *1
  (16)Cabinet of speed regulating         Grid Frequency-50Hz Rated         power-1000kW*3 +45kW* 1