PDR-300 Truck mounted Rotary Drilling Rigs

Make: PHEL

Model & Type PDRD 300, Direct Rotary Drilling Rig

Capacity: Rotary Drilling

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Description

Technical Specifications:

Make: PHEL
Model & Type PDR 300, Truck mounted Rotary Drilling Rigs

CapacityRotary Drilling
Drill hole diameter 12 ¼ inch (311 mm)
Maximum depth Up to 300 Meters.
Drill rod diameter 4 ½ inch (114.3 mm)
Drill rod length 20 feet (6 meter)
CarrierTruck for the mounting of drill rig and Mud Pump
Make Ashok Leyland or any other equivalent Make & Model
Gross Vehicle Weight16.0 Ton
(One rear axle driven and one front axle dummy.)
Engine Rating160ps @ 2400rpm
Prime MoverThe system shall be powered from the same truck Engine with PTO arrangement through a Transfer Gear Box.
Mounting Platform StructureElectrically welded steel structure covered with Chequered sheet.
Mast AssemblySturdy structural channel mast structure electrically welded
Mast overall length8,800 mm
Rotary Head travel7,050 mm
Centralize opening14 inch (356 mm)
Raising and Lowering by Hydraulic Cylinder
Feed SystemFeed & Hoist actuation: Pulley, Wire rope & Hydraulic cylinder.
Mast overall length8,800 mm
Rotary Head travel7,050 mm
Centralize opening14 inch (356 mm)
Raising and Lowering by Hydraulic Cylinder
Feed SystemFeed & Hoist actuation: Pulley, Wire rope & Hydraulic cylinder.
Feed cylinder Size & stroke Dia140mm X Dia 100mm X 2350mm long
Pull Back12,000 Kg-f
Pull Down5,500 Kg-f
Hoisting speed (up)30 meter/ minute
Reeving Ratio1:3
Having adequate travel to handle drill pipes and casing pipes up to 6 meter long.
Feed system consists of hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.
Rotary Head Assembly
(Top Head Drive) Fabricated steel body with spur gear reduction and oil bath type gear box.
Torque 360 kg-m
Rotation Speed Spindle RPM : 0-100
The RH unit travels on Mast assembly to absorb sudden shock loads encountered during drilling operation.
HydraulicsThe entire Equipment is designed to operate at high temperature encountered in the normal weather conditions.
Open loop circuit with fixed displacement/variable displacement piston pumps and proportional valves for feed and rotation. Diverted valves for auxiliary drives.
Max operating pressure 220 Kg/Cm²
Hydraulic Tank capacity 600 Liters.
Filtration (Nom) – Return line 10/25 Microns
Cooling: Fin type oil to Air.
Control PanelAll necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience.
Auxiliary
StabilizerHydraulically operated Box type
Cylinder bore diameter125 mm
Stroke700 mm
No. of Jacks4 Nos.
The above jacks are provided with ‘reverse flow restricted’ valves to ensure safe operation.
Two rear jacks are operated with two separate valves and Two front jacks are operated with a single valve.
Mast raising CylinderFor raising and lowering the Mast Assembly
Cylinder bore diameter125 mm
Stroke800mm
Break out Wrench CylinderThe drill rig is equipped with hydraulic operated break out wrench for making and breaking the drill pipes and Hammer.
Cylinder bore diameter80 mm
Stroke300 mm
Break out Wrench CylinderThe drill rig is equipped with hydraulic operated break out wrench for making and breaking the drill pipes and Hammer.
Cylinder bore diameter80 mm
Stroke300 mm
Mud PumpScrew Pump type hydraulically driven mud Pump required for mud rotary drilling.
The pump is suitable for handling clear water, mud and bentonite solutions
Max Flow765 liter / minute
Max. Pressure15.4 kg/cm²
Single Rod Changer With 1TonWinch Hydraulically operated winch to handle the Drill pipes, tools and other accessories
Bare drum-Pull1000 kg-f
Max. Speed20 meter/minute
PaintEpoxy & Polyurethane Paint
High quality Polyurethane paints are used for the rigs to achieve more life for the equipment following the global standard procedures for the surface preparations like Shot Blasting and Primer coating.