Make: PHEL
Model & Type PDRD 300, Direct Rotary Drilling Rig
Capacity: Rotary Drilling
Make: PHEL
Model & Type PDR 300, Truck mounted Rotary Drilling Rigs
Capacity | Rotary 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) | |
Carrier | Truck for the mounting of drill rig and Mud Pump |
Make Ashok Leyland or any other equivalent Make & Model | |
Gross Vehicle Weight | 16.0 Ton |
(One rear axle driven and one front axle dummy.) | |
Engine Rating | 160ps @ 2400rpm |
Prime Mover | The system shall be powered from the same truck Engine with PTO arrangement through a Transfer Gear Box. |
Mounting Platform Structure | Electrically welded steel structure covered with Chequered sheet. |
Mounting Platform Structure | Electrically welded steel structure covered with Chequered sheet. |
Mast Assembly | Sturdy structural Channel mast structure electrically welded. |
Mast overall length | 8,800 mm |
Rotary Head travel | 7,050 mm |
Centralize opening | 14 inch (356 mm) |
Raising and Lowering by Hydraulic Cylinder | |
Feed System | Feed & Hoist actuation: Pulley, Wire rope & Hydraulic cylinder. |
Mast overall length | 8,800 mm |
Rotary Head travel | 7,050 mm |
Centralize opening | 14 inch (356 mm) |
Raising and Lowering by Hydraulic Cylinder | |
Feed System | Feed & Hoist actuation: Pulley, Wire rope & Hydraulic cylinder. |
Feed cylinder Size & stroke Dia | 140mm X Dia 100mm X 2350mm long |
Pull Back | 12,000 Kg-f |
Pull Down | 5,500 Kg-f |
Hoisting speed (up) | 30 meter/ minute |
Reeving Ratio | 1:3 |
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. | |
Rotation Speed Spindle RPM : 0-100 | |
Hydraulics | The 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 Panel | All necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience. |
Auxiliary | |
Stabilizer | Hydraulically operated Box type |
Cylinder bore diameter | 125 mm |
Stroke | 700 mm |
No. of Jacks | 4 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 Cylinder | For raising and lowering the Mast Assembly |
Cylinder bore diameter | 125 mm |
Stroke | 800mm |
Break out Wrench Cylinder | The drill rig is equipped with hydraulic operated break out wrench for making and breaking the drill pipes and Hammer. |
Cylinder bore diameter | 80 mm |
Stroke | 300 mm |
Break out Wrench Cylinder | The drill rig is equipped with hydraulic operated break out wrench for making and breaking the drill pipes and Hammer. |
Cylinder bore diameter | 80 mm |
Stroke | 300 mm |
Mud Pump | Screw Pump type hydraulically driven mud Pump required for mud rotary drilling. |
The pump is suitable for handling clear water, mud and bentonite solutions | |
Max Flow | 765 liter / minute |
Max. Pressure | 15.4 kg/cm² |
Single Rod Changer With 1Ton | Winch Hydraulically operated winch to handle the Drill pipes, tools and other accessories |
Bare drum-Pull | 1000 kg-f |
Max. Speed | 20 meter/minute |
Paint | Epoxy & 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. |