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PAT-Drill 501

A heavy-duty water well drilling rig with dual hydraulic power systems that is mounted on a medium-range truck and handles both mud drilling and air drilling in one system.

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Overall

Heavy-duty but compact with excellent mobility, PAT-Drill 501 is mounted on a 15,000 kg truck. It has dual drilling capabilities: rotary mud drilling with its mounted piston mud pump and DTH-Hammer air drilling. It operates through a hydraulic system powered by an independent diesel engine, ensuring reliable performance in diverse conditions.

Key Specification

Recommended Hole Depth & Diameter

Water well drilling depth:

Up to 300 m

Soft formations with rotary mud drilling:

6″-12″ (150-305 mm) diameter with drag bit

Medium-Hard rock with DTH-hammer drilling:

5”-6” DTH-Hammer with 6”-9 5/8” (150-245 mm) bit diameter
[Needs a separate air compressor]

Top Rotation Head

Double reduction gearbox with 2 hydraulic motor drive and variable rotation speed control

Speed:

0-65 rpm

Max torque:

5,230 Nm

Mast

All steek work.
6.50 m high

Table Opening Size

Up to 350 mm diameter

Feed System

Up to 200 mm diameter

Head travelling stroke:

4.65 m

Pull-up capacity:

6,400 kg

Max speed:

32 m/min

Hydraulic Power Pack

19.5 m/min

Engine:

83 hp (62.5 kW) at 2,500 rpm, 4 cylinders, YANMAR diesel engine

Hydraulic system:

Tripe gear pump type

Hydraulic system pressure:

250 bar max

Stabilising Jack

4 jacks – hydrulically-driven, repositionable for ground clearance adjustment

Carrier

HINO 500 Series Truck, 240 hp 7,680 CC Euro 3 with 15,000 kg GVW capacity. (Adjustable)

Drill Pipe

2-wheel (7.00-R15) self braking trailer,

2,000 kg capacity torsion sprung axle

Drill pipe length:

3 m

Drill pipe diameter:

89 mm

Weight and Dimensions

60 or 76 mm

Thread 2 3/8 API Reg Mod

Overall dimensions (WxLxH):

2.55 x 6.73 x 3.88 m

Overall weight (without drill pipe):

10,000 kg

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