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Mailing Address:
Drilling Today
House A-145, Shivpuri, Airport Road, Opp. Subodh Girls College, Sanganer, Jaipur 302011
Rajasthan INDIA
Phone: +91 141 2793166
Cell: +91 9414 219 166 |
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KLR Make CDR 1500, Core Cum DTH Drilling Rig
Technical Specifications
General
KLR make, Model CDR 1500, diamond core drill rig, Top drive all
hydraulically operated Core drilling rig.
Driling Capacity
| Drilling Capacity |
SI |
FPS |
| Core Drilling |
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| Drilling Size and Drilling
depths (maximum) |
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| NQ |
1500 Mt |
4950 Feet |
| Max Drill pipe length |
3.0 MM |
10 Feet |
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Note: Under favorable Drilling conditions.
DTH Drilling
| Drill Hole Diameter |
165 MM |
6.5 (Inches) |
| Max Drilling Depth |
450 Mts |
1485 Feet |
| Max Drill Pipe Diameter |
114.3 MM |
4.5 Inches |
| Max Drill Pipe Wall Thickness |
7.5 MM |
0.29 Inches |
| Max Drill Pipe Length |
6.0 Mts |
20 feet |
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Note: Under favorable Drilling conditions.
Power Unit
The entire rig hydraulic system shall be powdered by the heavy duty
deck engine with suitable PTO arrangement, engine power 260.0 HP @ 2200
RPM of reputed make.
Mast
Sturdy structural tubular type mast of electrically welded
construction, main members are made out of heavy duty structural steel
tubes. The mast shall be provided with a provision for drilling at a angle
of 45 deg.
| Mast length |
12,000 mm |
472.0 Inches |
| Rotary Head Travel |
7,000 mm |
275.0 Inches |
| Centraliser Opening |
254 mm |
10 Inches |
| Raising & Lowering |
With Hydraulic Cylinder |
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Top Head Rotary Drive
Heavy duty hydraulic driven top drive rotation head unit with dual
speed motor and gear box arrangement having infinitely variable speed from
(0-1200rpm). The rotation head gear box is also provided with slide out or
swing out arrangement.
Rotary Head Output Speeds & Torques
Speeds |
Torques |
| 1200 rpm |
85 kg m |
| 780 rpm |
150 kg m |
| 225 rpm |
390 kg m |
| 140 rpm |
700 kg m |
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Feed System
Feed system is provided with adequate rotary head travel up to 7.0 Mt.
Long. The feed and hoist are actuated by a suitable hydraulic cylinder
with wire rope and pulley arrangement. The feed system has the following
capabilities.
| Feed Cylinder |
Ø 140 x Ø 100 x 2350 |
| Pull Up |
22,000 Kgf |
48,488 lbf |
| Pull Down |
11,000 Kgf |
24,244 lbf |
| Pull Up Speed |
36 Mt/Min |
118 Ft/Min |
| Pull Down Speed 60 Mt/Min |
2 |
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| Reeving ratio |
3 |
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Hydraulic System
The hydraulic system is designed for fuel efficient and high productive
capacity. Variable displacement axial piston pump with proportional
valves.
| Max Operating Pressure (open loop) |
210 Kg/cm2 |
| Max Operating Pressure(Closed Loop) |
300 kg/cm2 (Rotation and main
hoist are in closed loop) |
| Hydraulic Tank Capacity |
750 Lt |
| Hydraulic Oil Cooler |
120 gpm (Fin Type Oil to
Air) |
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Mud Pump (Recommended size for Rotary Drilling)
High pressure, Triplex single acting pump of
| Capacity |
120.0 LPM |
| Delivery pressure |
70.0 bar |
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Stabilizers
System consists of four hydraulic levelling jacks (Box type) with
'Reverse flow restricted valves' to ensure safe operation.
| No. of Jacks |
Four (02 each mounted in front and rear) |
| Cylinder Size |
Ø 125 x Ø 70 x 800 |
| Type |
Hydraulic |
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Wire Line Winch Assembly
Hydraulic operated winch assembly for handling core catcher:
| Line Pull (Bare Drum) |
1500 Kgf |
3306 lbf |
| Max. Line speed (Bare Drum) |
100 Mtr/Min |
| Wire diameter |
6 mm |
| Drive |
Hydraulic motor |
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Main Hoist Assembly
Hydraulic operated winch assembly for handling casing and drill pipes
| Line Pull (Bare Drum) |
1500 Kgf |
33060 lbf |
| Max. Line speed (Bare Drum) |
40 Mtr/Min |
| Wire diameter |
22 mm |
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Note:
| In view of continuous R&D and Product
Improvement program all specifications, features etc., are
subject to amendments without prior notice |
| KLR Drilling Rigs can be supplied in
custom built models in various Configurations, Mounting
features to suit all special requirements and Technical
specifications can be offered accordingly |
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