Drilling a 3/4 hole 15+ feet deep in dolostone?

Is it possible? If so then how?

Answer:

There are CNC deep drilling machines capable of drilling up to 19 feet in soft rock like dolomite In tunnel construction they are used for blasting purpose, as tunnel boring machines cannot drill through soft rocks

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Drilling a 3/4 hole 15+ feet deep in dolostone?

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