Air Rotary Coring

Air-rotary coring of rock is an established procedure that uses air instead of a water-laden drilling mud to circulate the cuttings out of the hole; many core drillers prefer this method to mud-rotary coring. In some instances, the air-rotary coring method cuts faster and provides less-contaminated core. Our discussion of the method will be very brief and describes some advantages and disadvantages so a hydrologist can decide if it is the proper method to specify, considering the intended use and analysis of the core.

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