ST350 Large Crawler Borehole Drill Rig - 25m Depth, 152-305mm Diameter, Diesel Powered Water Well Drilling Machine
The ST350 Large Crawler Drilling Machine is a fully hydraulic, top-drive drilling rig designed for high-efficiency borehole operations. This versatile machine features a crawler-mounted chassis for excellent mobility across challenging terrain, making it suitable for various applications including water well drilling, resource exploration, and gas exploitation.
| Specification | Details |
|---|---|
| Model | ST350 Drilling Rig |
| Power Source | Diesel |
| Dimensions (L×W×H) | 6400mm × 2250mm × 2700mm |
| Weight | 8.9 Tons |
| Drilling Diameter | 152mm - 305mm |
| Maximum Depth | 25 Meters |
| Rotary Speed | 0-90 rpm |
| DTH Hammer | K40 |
| Air Consumption | 13-20 m³/min |
| Drilling Rods | 76×2m + 76×3m |
| Certification | ISO9000 |
| Warranty | 1 Year |
Supports multiple drilling processes including down-the-hole drilling, air reverse circulation, gas lift reverse circulation, cutting drilling, cone drilling, and core development. Can be equipped with mud pumps, foam pumps, and generators as needed.
Full hydraulic top-drive rotary propulsion system ensures fast drilling speeds and minimal auxiliary time, delivering superior productivity.
DTH hammer rock drilling process provides high efficiency with lower per-meter drilling costs.
High-leg crawler design enables easy loading and transport without cranes, with excellent performance on muddy terrain.
- Operators must complete technical training and understand DTH structure principles before operation
- Proper work attire including helmets is mandatory for all personnel
- Equipment must be retreated to safe distance and protected during blasting operations
- No slide frame operation during strong winds (above level 6) or freezing conditions
- Thorough inspection required after shooting operations
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