Bangxin sondaj kulesi
Dual-Wall Drill Pipes: Key for Water Well Drilling Rigs in Sand
Water well drilling rigs depend on dual-wall drill pipe reverse circulation systems in sand. su kuyusu sondaj kulesi
The system creates two channels through inner and outer pipes. High-pressure mud reaches the hole bottom via annular gaps. It carries sand back quickly through the central channel for “drill-while-discharge” efficiency.
Reverse circulation outperforms traditional forward flow by 40%+. It cuts sand stay time in the hole drastically.
Tips for using with water well drilling rig:
- Maintain positive bottom pressure in quicksand. Balance water pressure to stop quicksand flow.
- Use high-strength sealed connections. Prevent mud leaks that hurt circulation efficiency.
- Match mud pump power to large-diameter bits. Ensure enough upward flow to carry sand.
This optimizes performance for water well drilling rig in challenging sand layers.