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PRD Auto Loader Rig:
Technical Specifications:
Capacity
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6" to 12" borehole to a depth of
1200 feet (363 mtr.) with DTH.
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Prime Mover
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Truck mounted Rig with power
from truck engine.
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Work Method
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Rotation with direct
circulation, nucleus destruction with bleeding
by air, water, foam by DTH, rotary using drag bit/rock roller bit in
over burders.
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Mast
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Box type structure
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Max. Capacity
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44000 Lbs (20 tons.)
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Height
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27 feet (8 mtr.)
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Rod handling capacity
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20 feet (6.1 mtr.)
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Hydraulic
System
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Max operating pressure 3200 PSI
(225 kgs./cm2)
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Hydraulic Oil
Cooler
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95 GPM fin type cooler fan drive
through hydraulic motor
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Pull up and
Full Down
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By means of Hydraulic cylinder and wire
rope Reeving Ratio 1:3
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Max. Pull up force
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25400 lbs (11545 kgs)
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Max. Pull up speed
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198ft/min (60 mtr./min.)
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Max. Pull down force
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19050 lbs (8650 kgs.)
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Max. Pull down speed
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356 ft/min. (107 mtr./min)
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Rotary Head
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| Rotary
head powered by one hydraulic motor |
Max. Torque
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40575 inch-lbs (465kg -
mtr.)
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Max. Speed
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0 to 150 RPM
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Jacks
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Four hydraulic jacks, front two
are box type
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Water
Injection Pump
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Triplex reciprocating pump of 50
LPM 1000 PSI powered by hydraulic motor
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Break out
Wrench
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To open the drill joints
hydraulic break out wrench of 350mm stroke will be provided.
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Rod Handling
Arrangement
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Remote solenoid controlled
hydraulic operated rod handling arrangement directly
to and from the rod rack fitted on either side of the platform Rod rack
can hold
total of 45 Nos. of 6 mt drill pipes 4.1/2" OD which can be raised and
lowered with
Hydraulic cylinder, X-Y-Z axis movement of the rod is done with
hydraulic cylinder
and motor control. The rod is carried from either rack at one time and
then moved
into position under the rotary head for easy coupling and decoupling.
Thus reducing
burden on labour.
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Optional
Attachments
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Welding machine, Diesel fuelling
pump, Skid platform with deck engine, mud pump
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Compressor
Capacity
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800cfm, 200psi/900cfm,
200psi/1000cfm, 275cfm 1100cfm, 300psi.
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