Aardvark Drilling Inc.

Air Rotary

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This type of rotary rock drilling uses compressed air to remove rock cuttings from the borehole and to cool the tricone drill bit, eliminating the introduction of water to the borehole. Samples acquired using an air rock drill are more representative because they are less prone to contamination than other drilling methods. Air rotary drilling is best suited for unconsolidated formations where subsurface conditions include large rocks, boulders and debris and where more conventional mud rotary or hollow stem auger drilling is not possible. Air rock drilling is especially popular in environmental well installation.

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