http://www.drillingsupply.info
Borehole of 4 1/2 6 inch diameter was drilled with rotary drilling equipment to a depth of 230 ft.
The u-bend pipe was filled with water and pressurized to check for leaks before insertion. A geothermal drilling rig and a driving rod are being used for the geothermal pipe installation. Once the entire pipe is inserted, the borehole is grouted from the bottom up trough the one inch driving rod used for the HDPE geothermal pipe insertion.
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