Home » Drilling Machine » Crawler water well drilling rig » All-Round Equipment for Deep-Hole Drilling: D Miningwell MW450 Water Well Drilling Rig, Empowering Water Extraction Projects in Mountainous Rock Formations

All-Round Equipment for Deep-Hole Drilling: D Miningwell MW450 Water Well Drilling Rig, Empowering Water Extraction Projects in Mountainous Rock Formations

All-Round Equipment for Deep-Hole Drilling: D Miningwell MW450 Water Well Drilling Rig, Empowering Water Extraction Projects in Mountainous Rock Formations

In livelihood and industrial fields such as mountainous water supply, agricultural irrigation, and geothermal development, the performance of deep-hole drilling equipment directly determines whether a project can overcome complex geological constraints and efficiently obtain water or geothermal resources. The MW450 450m Water Well Drilling Rig, launched by D Miningwell (Zhejiang Miningwell Supply Chain Management Co., Ltd.)—a Chinese expert in drilling equipment—boasts core advantages of “strong deep-hole capability, wide terrain adaptability, and efficient and convenient operation”. Equipped with a dedicated compressor, it has become a preferred equipment for water extraction projects in mountainous rock formations, providing reliable solutions for multi-scenario deep-hole drilling needs.
This series of drill rig adopts a excavator crawler chassis and has strong off-road performance. The independent module design allows the drill to be mounted on the truck to increase its mobility. Two speeds of rotating and advancing speed can meet the different needs of soil and rock drilling. Combined positioner, the positioning disc can be adjusted and replaced according to different types of drill pipe and DTH hammer, so as to ensure the accuracy and reliability of the positioning and centering. The hoisting mechanism is convenient for hoisting of drill pipe and DTH hammer, so as to reduce the labor intensity.

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Content

The core competitiveness of the MW450 Water Well Drilling Rig first lies in its solid capability of “450m deep-hole drilling”. The equipment can achieve a maximum drilling depth of 450 meters, with a drilling diameter ranging from 140mm to 350mm. It can not only meet the conventional needs of rural drinking water wells and small-scale agricultural irrigation wells but also undertake operational requirements for deeper resource development such as geothermal wells. It is equipped with a high-power engine from Weichai (with a supporting power of 103kW), which provides strong power support for the hydraulic system and drilling actions. Combined with a working air pressure of 1.7-35MPa and an air consumption of 17-36m³/min, even when facing hard rock formations, it can achieve efficient rock breaking through a high-air-pressure DTH (Down-the-Hole) hammer, with a drilling efficiency of 15-35 meters per hour, significantly shortening the deep-hole operation cycle.

Targeting complex operating environments such as mountainous areas and rock zones, the MW450 is fully designed for terrain adaptability. The equipment adopts a dedicated crawler chassis for excavators, featuring a large crawler ground contact area and strong grip. With a maximum climbing angle of 30°, it can easily handle uneven terrains such as mountainous slopes and gravel roads, avoiding problems like slippage and getting stuck that are common in traditional wheeled drilling rigs. Meanwhile, a travel speed of 2.5km/h and a loading width of 2.8 meters balance the flexibility of field relocation and the convenience of transportation. More notably, its independent modular design allows the entire drilling rig to be mounted on a truck, enabling “mobile operation”. For mountainous water supply projects that require drilling at multiple scattered locations, this can greatly reduce equipment handling time and improve overall construction efficiency.

In terms of core configuration and operation design, the MW450 embodies the concept of “balancing efficiency and safety” in every detail. In terms of power transmission, the equipment uses a high-torque hydraulic motor to drive rotation, with a torque output of 7000-9500N·m. Combined with an adjustable rotation speed of 50-135rpm, it can not only cope with hard rock cutting with high torque but also adapt to different formations such as soil and sand layers by adjusting the rotation speed. The propulsion system adopts a large-diameter hydraulic cylinder, with a single propulsion length of 6.6 meters, reducing the number of drill pipe connections. At the same time, a fast feeding speed of 40 meters per minute and a fast lifting speed of 20 meters per minute further accelerate the operation rhythm. The hydraulic control system adopts a centralized console design, where all operation knobs and instruments are centrally arranged. Operators can adjust parameters such as drilling speed, pressure, and propulsion amount without frequent movement, reducing operational complexity. In addition, the equipment is equipped with a lifting mechanism with a lifting capacity of 25 tons and a winch with a pulling force of 2 tons, which can easily lift drill pipes and DTH hammers, reducing the intensity of manual handling and ensuring operational safety.

In terms of detailed design, the MW450 fully considers the practicality and economy of long-term field operations. The hydraulic system adopts a dedicated pump unit design, with an independent and reasonably arranged pump unit structure. During daily maintenance, there is no need to disassemble the entire machine; only the pump unit needs to be inspected and repaired independently, greatly reducing maintenance difficulty and costs. The engine air intake system is equipped with a two-stage air filter, which can effectively filter dust and impurities in the air—especially suitable for dusty mountainous environments—extending the service life of the diesel engine. The positioning system is equipped with a combined positioning plate, which can be flexibly adjusted or replaced according to drill pipes and DTH hammers of different specifications, ensuring that the drilling tool is centered accurately during the drilling process and avoiding problems such as irregular hole diameter or drilling deviation caused by positioning errors.

From the perspective of practical application scenarios, the versatility of the MW450 can cover various needs: In mountainous rural drinking water projects, its deep-hole capability can penetrate multiple rock layers and accurately reach underground water source layers, solving the problems of “difficulty in finding water and deep water extraction” in mountainous areas. In the field of agricultural irrigation, the drilling diameter of 140-350mm can meet the needs of large-flow water wells; combined with high drilling efficiency, it can quickly complete the construction of contiguous irrigation well groups. In geothermal development projects, the drilling depth of 450 meters can reach shallow to medium-depth geothermal resources, and it is compatible with medium and high air pressure series DTH hammers, enabling it to cope with complex rock formation conditions in geothermal well construction. In addition, the equipment can also be used in scenarios such as industrial water supply wells and small-scale geological exploration holes, realizing “one machine for multiple uses” and reducing project equipment investment costs.

As a representative model of D Miningwell’s deep-hole drilling equipment, the MW450 Water Well Drilling Rig not only inherits the brand’s product genes of “high efficiency, energy conservation, durability, and reliability” but also breaks the limitations of traditional deep-hole drilling rigs—such as “bulkiness, difficult operation, and poor adaptability”—through targeted terrain adaptation design and humanized operation optimization. Whether for high-difficulty drilling in mountainous hard rocks or flexible operation needs in multiple scenarios, the MW450 can serve as an important equipment for promoting livelihood water supply, agricultural development, and geothermal development with its stable performance and efficient performance, providing solid support for global water resource and energy development projects under complex geological conditions.

Technical Parameters
The weight（T）	9.4	Drill pipe diameter(mm)	89 102
The hole diameter(mm)	140-350	Drill pipe length(m)	1.5m 2.0m 3.0m 6.0m
Drilling depth(m)	450	Rig lifting force(T)	25
One-time advance length(m)	6.6	Rapid rise speed(m/min)	20
Walking speed(km/h)	2.5	Fast feeding speed(m/min)	40
Climbing angles(Max.)	30	Width of loading(m)	2.8
Equipped capacitor(kw)	103	Hoisting force of winch(T)	2
Using air pressure(MPA)	1.7-35	Swing torque(N.m)	7000-9500
Air consumption(m3/min)	17-36	Dimension(mm)	5950*2100×2600
Swing speed(rpm)	50-135	Equipped with hammer	Medium and high wind pressure series
The penetration efficiency(m/h)	15-35	High leg stroke(m)	1.6
The engine brand	Weichai engine

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