National Drilling

A borehole is the generalized term for any narrow shaft drilled in the ground, either vertically or horizontally.

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A borehole may be constructed for many different purposes, including the extraction of water or other liquid (such as petroleum) or gases (such as natural gas), as part of a geotechnical investigation, environmental site assessment, mineral exploration, temperature measurement or as a pilot hole for installing piers or underground utilities. Typically, a water borehole is […]