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Features:

1. Dual-Pipe Reverse Circulation System: Utilizes an inner and outer pipe structure where air or foam is injected into the outer pipe to lift the rock cuttings through the inner pipe, improving drilling efficiency.

2. Efficient Cuttings Recovery: The reverse circulation method minimizes contamination of the rock cuttings, ensuring high-quality samples that are essential for mineral exploration.

3. Strong Adaptability: Suitable for various strata, including loose soil layers, hard rock layers, and complex geological conditions.

4. Air-Driven Drilling: Uses compressed air as a power source, which reduces contamination of the formation compared to traditional mud drilling methods.

5. Fast Drilling Speed: The reverse circulation system enables rapid removal of cuttings, resulting in faster drilling speeds than conventional methods.

Advantages:

1. High-Quality Sample Recovery: Provides cleaner samples with no contamination from drilling fluids, making them more representative for exploration.

2. Eco-Friendly and Water-Saving: No need for large volumes of drilling mud, reducing environmental pollution, and especially useful in water-scarce regions.

3. Low Maintenance Costs: Compared to mud drilling systems, the equipment experiences less wear and tear, resulting in lower maintenance costs.

4. Reduced Risk of Hole Collapse: The reverse circulation system helps maintain a clean borehole, reducing the likelihood of borehole collapse.

5. Wide Application Range: Suitable for not only mineral exploration but also water well drilling, geothermal wells, and other engineering applications.