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200m DFL-200S Hydraulic Drill Rigs for Water Well
1. Max. Drill Depth:240m
2. Drill Diameter:150-300mm
3. Drill Pipe: 89*3000mm
4. Drilling Rig for hard rock
Introduction of Down-the-hole Drilling Rig DFL-200S

DFL-200S water well drilling rig is a high efficiency top drive , multifunctional full hydraulic drilling rig, with advantages of advanced technology, ease operation, high efficiency, reliability and durability, widely applicable to drilling water wells, test wells, dewatering well, relief well, geothermal air conditioning hole, coal bed methane, natural gas, oil exploration and other projects, the rig applicable to various stratum by air DTH drilling, has high drilling speed for rock with Platts hardness of f=4-20.

This series drilling rig has a compact size. Body width is only 1.35 meters, perfectly suited for the home farm courtyard drilling or other narrowly drilling conditions. Max. Drilling depth up to 240 meters.

Attracting Features:
1. full hydraulic control, Convenient and flexible:
The drilling speed, torque, propeller shaft pressure, anti-axial compression, forward speed, and lifting speed are adjustable to meet different drilling conditions and different construction technology needs.
2. Top drive rotary propulsion
Various drilling processes are available on this rig, such as: DTH drilling, through-type air reverse circulation drilling, gas lift reverse circulation drilling, cutting drilling, tri-cone drilling, drilling with simultaneously casing, and core drilling under development.
mud pump, foam pumps, generators can be added according to user needs, Drill also comes with a variety of winch as standard configuration.
3. Multifunctional Drilling
Equipped with cab which meets FOPS / TOPS requirement, using large area glass design, wider field of vision; multi-dimensional wind-type air-conditioning, so that the cab has a master operating experience.
4. High efficiency
Since the full hydraulic top-drive and rotary propulsion upgrade, adapted to the various drilling techniques and a variety of drilling tools, convenient and flexible manipulation, fast drilling speed, auxiliary time is short, high efficiency.
5.low cost
Mainly adopt DTH Drilling Technology when Drilling on the rock, high efficiency and lowest cost when single meter drilling.
6.High leg Crawler
High legs for easy loading transport, direct loading no need crane. Crawler walking more adapted to the muddy field moving.
7.Axis positive and negative-pressure regulator
The best impact efficiency of various impactor has its best matched axial force and speed. In the drilling process, with the growing number of the drill pipe,the impactor axial pressure is also increasing, can adjust the positive and negative pressure valve to ensure best axial compression of the impactor during drilling process . In this case it has the highest impact efficiency.
8.The role of oil mist
Mainly adopt DTH Drilling Technology for rock drilling, high efficiency and low cost when single meter drilling.
9.Rig Chassis for DTH rig
Crawler or truck chassis for choice.

Technical parameter of DFL-200S Drilling Rig
Max drilling depth 240m
Drilling diameter 150-300mm
Working pressure 1.05-3.45 Mpa
Gas consumption 16-55 m³/min
Drilling rod length 2 m
Drilling rod diameter 89 mm
Main shaft pressure 4T
Lifting force 12T
Fast lifting speed 20m/min
Fast forwarding speed 35 m/min
Rotary torque 3500/4000/5000 Nm
Rotary speed 100/80/70 r/min
Small secondary winch lifting force 1.5T
Small secondary winch lifting force 1.3M
Drilling efficiency 10-35 m/h
Moving speed 2 Km/h
Uphill angle 21°
Weight of the rig 6.65T
Dimension 4*1.35*2.15 m
Working condition Loose layers and bedrock
Drilling method Hydraulic rotary top drive and propulsion, DTH hammer drilling or mud drilling
Suitable hammer Middle and high air pressure series
Optional accessories Reverse circulation equipment、mud pump、centrifugal pump、generator、foam pump
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