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Large Torque Pneumatic Drilling Rig St 260 Meters 70 Kw For Water Well

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Large Torque Pneumatic Drilling Rig St 260 Meters 70 Kw For Water Well

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Product Details:

Place of Origin:	China
Brand Name:	SHITAN
Certification:	ISO
Model Number:	ST 260

Payment & Shipping Terms:

Minimum Order Quantity:	1 Set
Price:	25000-30000 USD
Packaging Details:	Wooden case (bare)
Delivery Time:	5-8days
Payment Terms:	T/T, Western Union
Supply Ability:	1000/month

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Detailed Product Description

Product Name:	Pneumatic Drilling Rig ST 260	Drilling Diameter:	105-260mm
After-sales Service Provided:	Water Well Drilling Rig	Warranty:	1 Year
Power Type:	Diesel	Color:	Yellow
Weight:	6T	Rotary Head Storke:	3.4m-6.0m
Rated Power:	55-132KW	Optional Accessories:	70KW
Weight Of The Rig:	4m×1.7m×2.2m	Air Pressure:	16-55m³/min
Highlight:	large torque pneumatic drilling rig , 260 meters pneumatic drilling rig , oem pneumatic water well drilling

Large Torque Pneumatic Drilling Rig ST 260 Meters 70 KW For Water Well

Product Specifications

Attribute	Value
Product Name	Pneumatic Drilling Rig ST 260
Drilling diameter	105-260mm
After-sales service provided	Water Well Drilling Rig
Warranty	1 Year
Power type	Diesel
Color	Yellow
Weight	6T
Rotary Head Stroke	3.4m-6.0m
Rated Power	55-132KW
Optional accessories	70KW
Weight of the rig	4m×1.7m×2.2m
Air pressure	16-55m³/min

Product Overview

This drilling rig features very high drilling efficiency. Its reasonable overall layout uses either tractor-mounted or all-terrain chassis for transportation with excellent maneuverability. Highly flexible in difficult road conditions, it can be widely used in many fields including hydrology wells, coalbed methane exploration, shallow layer shale gas, and terrestrial heat applications.

Technical Specifications

Drilling Depth	260m
Hole Diameter	φ105-260mm
Working pressure	1.7-3.0MPa
Air consumption	17-35m³/min
Length of rod	1.5m, 2m, 3m, 6m
Diameter of rod	φ76, φ89, φ102, φ114
Lifting power	24T
Rotation torque	8500-11000N.m
Rotation Speed	40-70r/min
Diesel Engine	Yuchai
Engine Power	85Kw/2200rpm
Travelling speed	0-2.5 Km/h
Climb capacity	30°
Weight	9000kgs
Dimension	5900x2000x2850mm
Application	Complicated geological conditions: Rock, Mud, Sand etc.
Drilling Way	Top drive hydraulic rotary and propulsion, DTH Drilling or Mud Pump Drilling
DTH Hammer	4",5",6",8" Drill hammer or CIR110, 130, 150,170

Key Features

The engine uses a high-power diesel engine for reliable performance
Walking device features a durable gearbox-equipped walking motor with long service life
Hydraulic oil pump with parallel gearbox design and separate oil pump units for sufficient power supply
Power head device with one-piece cast gearbox and dual motors for large torque and durability
Professional excavator chassis with wide chain plates for minimal road damage
Patented composite boom design with double cylinder lifting for large lifting tonnage
Safety stoppers on lifting boom to protect oil cylinders and ensure operational safety
Hydraulic oil pipes covered with protective jackets for extended service life

Warranty Information

Every product comes with a one-year/2000 working hour warranty period. During this time, we will repair or replace defective parts free of charge if material or process defects occur, provided the parts are in normal working condition.

Drilling Considerations

Different geological structures require specific drilling approaches. For example, when drilling through gypsum layers:

The drilling fluid should be pretested first. Calcium ions can be removed by adding anti-gypsum treatment agents such as soda ash calcium removal and viscosity reducer. Simultaneously, use viscosity reducer with strong calcium resistance to control viscosity cutting, supplemented with fluid loss reducer and anti-sloughing agents to maintain drilling fluid stability and improve anti-gypsum pollution capability.