Borehole Drilling Rig

CAPACITY

6 1/2" to 8 1/2" bore holes to a depth of 365 mtr

PRIME MOVER

Truck mounted rig with power from truck engine through transfer gear box

WORK METHOD

Rotation with direct circulation, nucleus destruction with bleeding by water, air or foam. Drilling by drag bit (over burden) Roto percussion with DTH hammer

MAST

Box type structure
Max Capacity - 18 tons (39600 lbs)
Height - 8.20 mtr (27 ft)
Rod handling capacity - 5 mtr

PULL UP AND PULL DOWN

By means of hydraulic cylinder and wire rope,
Reeving Ratio 1:3
Max Pull up force - 10750 kgs (20,240 Ibs)
Max pull up speed - 39 mtr/min (128ft/min)
Max pull down force - 6318 kgs (13900 lbs)
Max pull down speed - 50 mtr/min (167 ft/min)

ROTARY HEAD

Rotary head is powered by one hydraulic motor Max torque - 26,900 in - lbs (303kg - mtrs) Max speed - 0 to160 rpm

HYDRAULIC SYSTEM

210 kg / cm2 (3000 psi)

HYDRAULIC OIL COOLER

70 GPM fin type cooler

BREAK OUT WRENCH

To open the drill joints hydraulic break out wrench of 350 mm stroke will be provided

JACKS

Four Box type hydraulic jacks

WATER INJECTION PUMP

Triplex reciprocating pump powered by hydraulic motor

OPTIONAL ATTACHMENT

Welding machine, mud pump, diesel filling pump, skid platform with deck engine

ROD CHANGER

Manually operated rod changer to handle single rods with 1000 kgs capacity pull up winch to carry drill rods, casings and hammer tools - four rods optional

SUITABLE MUD PUMP

PRD 125 MODEL
Stroke - 127 mm
Liner Size - 100 mm
Maximum Working Pressure - 17.58 Kg/cm2
Maximum displacement - 435 lpm

SUITABLE COMPRESSOR

1100 cfm - 300 psi; 1200cfm - 320psi

Capacity

Tractor New Holland 75 HP or 90 HP 4x4 Pile drilling 1200 mm dia upto -50mtrs - DMC (Direct Mud Circulation ) method, DTH Curn Rotary Drilling 200 mtrs, 6- bore

Mast Structure

Sturdy Steel Channel Construction Length 5000 mm, Head travel of 4000 mm rod handling 3 mb- drill rods 4 ½ ” 0D

Top Head Rotary Drive

Capable speed range from 0 - 80 rpm, Torque of 400 kgs RIP' through spur gears.

Feed System

Pull up force 7900 kgs, pull down force 5400 kgs Pull up speed 35 mtrl min, Pull down speed 23 mtr/ min

Stabilizer

Four Hydraulics leveling jacks with pilot operated check valves

Breakout Wrench

 Hydraulically operated break out wrench for breaking drill pipes Joints

Control Panel

Swing out Control panel is located at rear location for easy operation of drilling rig

Optional

AIR Compressor on Inlay for 0th Only

Auxiliary Winch (optional)

Hydraulic operated auxiliary winch is mounted on top of the mast for handing of drill rods, tools and accessories

Optional Drilling Attachments

Core Drilling, RC Drilling, Geotechnical Drilling

Capacity

1200 ft of 61/2" dia bore hole using 31/2" OD drill Pipe

Hydraulic Power

High pressure hydraulics powered by Ashokleyland deck engine

Mast Structure

Sturdy Steel Channel Construction Length 3200 mm Head travel of 1925 mm Rod handling 1.5 mtr 31/2" OD.

Top Head Rotary Drive

Capable speed range from 0-80 rpm Torque of 200 kgs - mtr.

Feed System

Pull up force 6800 kgs, Pull down force 4100 kgs, Pull up speed 16.5 mtr/min, Pull down speed 27 mtr/min

Stabilizer

System consists of four Hydraulics leveling jacks with pilot operated check valves.

Breakout Wrench

Hydraulically operated break out wrench for breaking drill pipes Joint.

Control Panel

 Remote hydraulic Joystick

Over all Dimensions

Mounting Option

Mounted on 3 ton Track. Track movement is operated by radio remote system.

Mast Height while raising

9 ft 8 inch

Mast while resting

7 ft

Weight

3650 Kgs

Width

3 ft 6 inch

Length

8 feet

Capacity

A mini core dulling rig has the following capacity under favorable drilling condition BQ: 300 Mtrs I ND: 200 Mtrs I HQ: 150 Mtrs

Mounting

The rig unit is mounted on a Truck, Crawler or on skid as optional.

Hydraulic

 Power for hydraulic is taken from the separate deck engine.

Single line capacity

Bare drum 6000 Pounds (3 Ton)

Bare Drum Speed

45 Mtrs / Minute

Cable Size

12 mm of non-twist with safety hook.

Capacity

300 meters of 4.76 mm rope

Line Pull

Bare Drum 2600 Pounds

 Line Speed

Bare Drum 80 mtr / minute