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MD 1250

      TECHNICAL SPECIFICATION
Depth (Diamond Core)B-Size - 1600 Meters (5249ft)
N-Size - 1250 Meters (4100ft)
H-Size - 800 Meters (2624ft)
P-Size - 450 Meters (1476ft)
Depth(Reverse Circulation)4 ½” rod - 200 meters (656ft)
Rotary - Down Hole hammer
3-1/2”rod - 300 meters (984ft)
Prime MoverEngine : Cummins.
Model  : 6CTA8.3
Power  :158.8 Kw / 213 HP

Mast & HEAD TRAVERSE SYSTEM Type Hydraulic cylinder over ropes 2:1.
Head travel length 6,7 m (21.97 ft)
Mast length 9,2 m (app), (30.17 ft)
Rod hosting length 6,0 m (19.68 ft)
Retract force 117.71 KN (26454lb)
Pull down force 55.45 KN (12462lb)
Pull up speed 35 meters/min (114.8 ft/min)
Pull down speed 70 meters/min (229.6 ft/min)
Fine feed speed 4.5metres/min
DumpStroke 2200 MM
Mechanism Hydraulic cylinder with locking valves.
Drilling Angle 90 degrees vertical down to 45 degrees
Horizontal
Mast raising Two independent hydraulic cylinders with lock
Valves.
ROTATION HEAD Model Top Drive
Gear Change Two speed High/low gear manual change
Drive Motor Hydraulic -Variable displacement
Spindle bore 62mm
Lubrication Forced lubrication
Mounting Hydraulic Slide – Sideways
TORQUE AND SPEED RATINGS:
Hydraulic motor at minimum/maximum, engine at 2100 rpm

Gear                                    Speed                       Torque                                     
                                             (RPM)                      (NM)
Low Speed Gear                   117                           6845                              
High Speed Gear               1050                             756 


Note: Rotary Head torques and speeds are infinitely variable in each gear range as indicated
Output Speeds & torques are on 100% efficiency, Actual rotation speed is effected by
Engine Rpm and motor displacement settings
Main Winch Hoisting Capacity: 95.84 KN (21546 lb) (Bare drum)
Hoisting speed: 40 meters/min (131, 2 ft/min)
Cable length: 35meters (115 ft)


Note: Do not use multiple part lines with the main winch. Use only single line.
Wire cable not supplied with rig to be ordered separately.
Wire Line WinchHoisting Capacity: 17.6 KN (3974 lb) (Bare drum)
Line speed: 140 meters/min (460 ft/min) (Bare drum)
Line speed: 410 meters/min (1344.8 ft/min) (Full drum)
Cable length: 1500 meters (3312 ft)


Note: Wire cable not supplied with rig to be ordered separately.
Hydraulics
i)Main pump Type :Variable displacement
Controller: Load sensing
Working pressure: 280 Bar
Make: SauerDanfoss
ii)Auxiliary pump (water) Type :Variable displacement
Controller: Load sensing
Working pressure: 280 Bar
Make: SauerDanfoss
iii)Auxiliary pump (auto feed & Cooler) Type: Variable displacement
Working pressure: 210 Bar

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Phone: +91 9600535555
             +91 9443358555
             +91 9578557555
             +91 9600883555
Email:   sonyrigs@gmail.com
             sales@sonyrigs.com

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