Water Hammer
Hanjin db have developed a water hammer technology like no other and now hold the record for depth at 3500mtrs with a 8” hammer, previous record was boart longyear at 650mtrs. This system is driven with a large compressor and uses 100% recycled water, which is recycled through filtration tanks. There is to be a further project commisoned by the korean government to reach a depth of 5000mtrs in late 2015. the system is like no other and truely unrivalled in the market place. this is almost certain to appeal to government bodies, i.e contanimated waste disposal.
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- Max. Drilling depth : 5,000m
- Special accumulate system(Patent)
- Eco-friendly drilling method
- (No need for hammer oil and safe in so
- Long bit life time : 150~200m
- Low noise water hammering
- No need for pressure down drilling
- Maintenance minimization : Valveless h
- Recycling water using system(Patent)
| Hole size (mm) | Diameter (mm) | Length (mm) | Weight (kg) | Drill Pipe | Max Pressure (lit/min) | Operating Pressure (bar) | |
|---|---|---|---|---|---|---|---|
| D&B 35WH | 102 | 93 | 1509 | 60 | API 2-3/8”Reg | 200 | 120~175 |
| D&B 40WH | 113 | 104 | 1669 | 78 | API 2-3/8”Reg | 300 | 120~175 |
| D&B 50WH | 140 | 120 | 1697 | 123 | API 3-1/2”Reg | 450 | 120~175 |
| D&B 60WH | 152 | 135 | 1867 | 218 | API 4-1/2”Reg | 600 | 120~175 |
| D&B 80WH | 203 | 182 | 2283 | 322 | API 4-1/2” IF | 800 – 1000 | 120~175 |
| D&B 100WH | 254 | 225 | 2650 | 400 | NC61 | 1200~1600 | 120~175 |
| D&B 120WH | 305 | 270 | 3125 | 500 | NC70 | 1400~1800 | 120~175 |
| D&B 150WH | On going | 120~175 | |||||
| D&B 250WH | On going | 120~175 | |||||
