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 |
|
|
|
Drilling
Size and Drilling depths (maximum) |
|
|
|
NQ
|
1500 Mt
|
4950 Feet
|
|
Max Drill
pipe length |
3.0 MM
|
10 Feet
|
|
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
|
|
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 |
|
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
|
|
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
|
|
|
Reeving
ratio |
3
|
|
|
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) |
|
Mud
Pump (Recommended size for Rotary Drilling)
High pressure, Triplex
single acting pump of
|
Capacity
|
120.0 LPM
|
|
Delivery
pressure |
70.0 bar
|
|
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
|
|
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 |
|
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
|
|
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 |
|
|
