Borehole Drilling, Borehole Contractors - Dales Water ...
2014-3-13 · Borehole A hole drilled into the ground, usually with a relatively small diameter. Blow/blowing The flowing of (commonly fine) fluidised sand upwards into a length of temporary casing or borehole due to pressure imbalances. Casing (well casing) A solid-wall tube installed within a borehole. Confined The condition where groundwater is prevented
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