|
| |
| Drilling Rigs |
Truck Mounted Drilling Rigs - DTH cum Rotary Drill Rig - KLR DTHR 300
Technical Specifications
General
KLR DTHR300 Model. Top drive DTH cum Rotary Combination Hydraulically
Operated Truck Mounted Drilling Rig, Designed to handle DTH Drilling and
Rotary drilling upto a maximum depth of 300 meters.
Capacity
| DTH
Drilling |
| Drilling hole Diameter |
203 mm |
8 Inches |
| Max. Overburden Drilling Diameter |
254 mm |
10 Inches |
| Max. Drilling Depth |
300 Mtr |
1000 feet |
| Drill Pipe size |
114 mm |
4.5 Inches |
| Drill Pipe wall thickness |
8.9 mm |
0.35 Inches |
| Length of the Drill Pipe |
6.1 Mtr |
20 feet |
|
Note: Under favorable Drilling conditions.
Rotary Drilling
| Drilling Diameter |
311 mm |
12 ¼ Inches |
| Max. Casing Pipes Capacity |
203 mm |
8.0 Inches |
| Max. Drilling Depth |
300 m |
1000 feet |
|
Note: Under favorable Drilling conditions.
Mast
Box type Mast of Electrically welded construction, main members made
out of heavy duty structural steel tubes, reinforced with suitable cross
members.
| Mast Length |
8800 mm |
29 Feet |
| Rotary Head Travel |
7000 mm |
23 Feet |
| Centraliser Opening |
355 mm |
14 Inches |
| Rod handling Capacity |
6.1 m |
20 Feet |
| Raising & Lowering |
With Hydraulic Cylinder |
|
|
Rotary Head
Heavy duty Hydraulically Driven Top Head Rotation Unit having
infinitely variable speed (0 to 100 rpm) will be provided. This Unit
travels on the Mast and is sturdy construction to absorb sudden shock
loads generally encountered during Drilling Operations.
| Max. Speed |
100 rpm |
| Max. Torque |
550 kgfm |
| Drive Motor model |
Orbital Motor (0MV 400 or equivalent) |
| No. of Motors |
2 Nos. |
|
Feed System
Feed system is provided with adequate travel for handling drill pipes
& Casing pipes upto 6 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.
| Pull back/Up Capacity |
14500 Kgf |
| Pull down Capacity |
7500 Kgf |
| Pull Back/Up Speed |
20 Mtr/mm |
| No. of Cylinders |
1 No. |
| Reeving Ratio |
1:3 |
|
The feed system will be incorporated with Hold back arrangement to
control and limit weight on bit, rapid and slow feed arrangement to suit
the variable ground conditions.
Hydraulic System
| Max. Operating Pressure |
220 kg/cm2 |
| Hydraulic Tank Capacity |
800 Lt |
| Filtration (Nom) Return Line |
10 microns |
| Hydraulic Oil Cooler |
120 GPM (Fin type Oil to
Air) |
|
Prime Mover
The entire rig unit including mud pump shall be mounted on the truck,
power drawn from the deck engine with suitable PTO arrangement for the
Hydraulic system.
Stabilizers (Jacks)
System consists of four hydraulic leveling jacks with Reverse flow
restricted valves to ensure safe operation. Two numbers are at rear of the
rig controlled by a single valve. and two separate valves for the Two
jacks at the front of the rig. (Operator side)
Water Injection Pump
The drill rig will be provided with Hydraulically operated triplex
plunger pump, for injecting water/foam with necessary piping and flow
control valve.
| Max. Flow |
36 lpm |
| Max. Pressure |
40 kg/cm2 |
|
Breakout Wrench
The Drill Rig is equipped with Hydraulically operated breakout
wrench for breaking drill pipes.
| Cylinder bore diameter |
80 mm |
3.1 Inch |
| Stroke |
300 mm |
12 Inch |
|
Mud Pump
Hydraulically driven Duplex, double acting reciprocating 6 x 6 model
Mud pump is required for rotary drilling. This mud pump is
suitable for handling clear water, drilling mud and bentonite
solutions.
| Bore |
150 mm |
6 Inches |
| Stroke |
150 mm |
6 Inches |
| Max. Flow |
1021 lpm |
|
| Max. Pressure |
20.74 kg/cm2 |
|
|
Single Rod Changer with One Ton Winch Assly
(Optional)
Manually operated single rod changer will be provided for changing the
drill pipes. Hydraulically operated auxiliary winch of capacity 1.0 ton is
mounted on mast to handle the casing pipes, drill pipes and other handling
tools.
| Bare Drum Pull |
1000 kgf |
| Max Speed |
20 m/min |
|
Air Compressor and Mounting
Air compressor of following capacity is required for DTH Drilling.
| Capacity |
1100 cfm / 300 psi |
| Make |
ELGI / IR |
|
Air compressor shall be mounted on a separate suitable truck with
separate hydraulic package/side P.T.O arrangement as required and four dia
100 stabilizers(jacks)
Welding Generator (Optional)
Hydraulically driven Welding generator set of capacity 320 Amps at 60%
duty cycle is required.
| Make |
Swaraj / equivalent |
| Drive |
Hydraulic |
|
| |
KLR Drilling Rigs can be supplied in custom-built models in
various Configurations as indicated below, Mounting
features to suit all special requirements and Technical
specifications can be offered accordingly. |
|
| |
KLR DTHR 600, capable of drilling up to
600 Meters (~2000 Feet) |
| |
KLR DTHR 750, capable of drilling up to
750 Meters (~2500 Feet) |
| |
KLR DTHR 1000, capable of drilling up to
1000 Meters (~3300 Feet) |
|
|
| |
|
|
|
