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Air Rotary Drilling

Specialized air rotary drilling for penetrating hard rock, consolidated formations, and bedrock environments — delivering reliable data in the most challenging geological settings.

Applications

  • Bedrock investigation and characterization
  • Deep soil boring through consolidated formations
  • Environmental site assessment in hard rock terrain
  • Monitoring well installation in bedrock aquifers
  • Geotechnical investigation for construction projects
  • Rock formation identification and sampling
  • Borehole completion for piezometers
  • Site characterization in fractured rock settings

Key Advantages

  • Penetrates hard rock and consolidated formations effectively
  • Suitable for deep drilling applications
  • Minimizes borehole collapse in competent rock
  • Allows for rapid advancement through difficult lithologies
  • Compatible with split spoon and rock core sampling
  • Applicable in a wide range of geologic settings

About Air Rotary Drilling

Air rotary drilling uses compressed air as the circulation fluid to advance a drill bit through rock and consolidated soil formations. The high-pressure air clears cuttings from the borehole as the bit rotates, making it highly efficient for penetrating hard, fractured, or consolidated geological materials that would challenge other drilling methods.

IET's experienced drilling crews utilize air rotary techniques as part of comprehensive environmental site investigations, geotechnical assessments, and bedrock monitoring well programs. Our equipment fleet includes truck-mounted and track-mounted rigs capable of reaching significant depths in challenging terrain, providing the subsurface data needed for informed environmental and engineering decisions.

Air Rotary Drilling Projects

IET air rotary drilling rig performing SPT testing and bedrock boringIET CME truck rig performing air rotary drilling for environmental site investigationIET drilling crew advancing air rotary borehole for bedrock monitoring wellIET heavy track rig performing air rotary drilling in difficult terrainIET drilling rig on site — air rotary method for geotechnical investigationIET field crew operating air rotary rig for rock and consolidated formation drilling
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