| TECHNICAL SPECIFICATIONS |
| CAPACITY |
To drill of 5"holes by reverse circulation (DTH) method up to 400 mts (1320 ft) |
| PRIME MOVER |
Truck mounted with power from deck engine or skid mounted with power from deck engine |
| WORK METHOD |
Rotation with direct circulation, nucleus destruction with bleeding by water, by |
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Reverse circulation method with DTH hammer |
| MAST |
Box type structure will be provided with feed cylinder (140 x 80 x 2350) and wire rope reeving of |
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1:3 ratio with angle drilling up to 450 |
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Max Capacity – 18 tons (39600 lbs) |
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Height – 8 mtr (27 ft) |
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Rod handling capacity – 6 mtr (20 ft) |
| PULL UP AND PULL DOWN |
By means of Hydraulic cylinder and wire rope Reeving Ratio 1:3 |
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Max Pull up force - 10750 kg (23650 lbs) |
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Max Pull up speed - 40 mtr / min (132 ft / min) |
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Max Pull down force - 7250 kgs (10550 lbs) |
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Max Pull down speed – 60mtr / min (198 ft/min) |
| HYDRAULIC SYSTEM |
210 kg/cm2 (3000 psi) |
| ROTARY HEAD |
Two speed rotary head is powered by single speed hydraulic motor with Swivel attachment |
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for mud/water suitable for reverse circulatory and DTH drilling |
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Max Torque - 337 kg mtr (29361 inch - lbs) |
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Max Speed - 0 to 1000 RPM |
| JACKS |
four box type hydraulic jaws |
| WATER INJECTION PUMP |
Triplex reciprocating pump powered by hydraulic motor |
| BREAK OUT WRENCH |
To open the drill joints hydraulic breakout wrench of 350mm stroke will be provided with rope |
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attached |
| SUITABLE COMPRESSOR |
1000 cfm 300 psi / 1150 cfm 300 psi or 900 cfm 200 psi |
| OPTIONAL ATTACHMENTS |
Manually operated corousal four rod changer to handle four nos drill pipe rods to couple drill head |
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A two ton winch is provided to handle drill rods and other tools |
| CYCLONE |
Will be supplied for reverse circulatory drilling and will be mounted on the rig |