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Casing

When the vertical drilling material lacks sufficient coherence for its walls to be kept stable, obstructing or impeding the drill string's movements and the extraction of the debris (or in the case of reinforcing and concreting piles on site), it needs to be stabilised for which there are two great systems: supporting it with slurry or covering the hole using a tube or casing, with an interior diameter similar to that of the cutting tool and formed by the connection of various tubes inserted by driving or percussion.

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Casing