KLR's
Drilling Rigs
Products & Services
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)
|
|
|
