ZJ70--Basic parameter and specification

(1) Nominal drilling depth(5"DP)-7000m
(2) Max. hook load-4500 kN
(3) Max. weight of drilling stem-2520kN
(4) Dia. Of wireline-35mm
(5) System of hoisting string- 6*7 clockwise
(6) Dia. Of wireline-38.1mm
(7) Rated input power of drawworks-1940kW
(8) Drawworks speed-stepless speed regulating
(9) Height from drilling floor-10.5m
(10)Area of drilling floor-126m2(11.4m*11.08m)
(11)Clearance height of substructure-9.2m
(12)Inverse-change speed-regulating cabinet qty-      5sets,Rated output Voltage--0 - 690V(AC)

  (13)Rated power of Mud pump *         quantity-1176kW(1600hp)*3sets
  (14)Max. work pressure-1Mpa
  (15)Electric control mode--AC-SCR-DC
  (16)Total Installed power rating-        5200kW
  (17)Total Power of AC Frequency         electric motor--5885kW
  (18)Electric motor of Drawworks-         970kW *2