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Geothermal Drilling

Geothermal energy is accessed by drilling water or steam wells deep into the earth to tap the underground reservoirs.


The steam or extremely hot water is brought up to the surface to use for a variety of applications such as space heating, aquaculture, snow melting and food processing.  Extremely deep wells can be drilled to tap the hot water to drive turbines to generate electricity.  With the rising price of energy fuels, geothermal energy is becoming more attractive in some areas of the world.

Shallow geothermal wells can be drilled by means of rotary drilling using tricone bits or DTH drilling where the formation is consolidated.  A semi-mobile rig is used with primary air compressors and boosters for deeper holes.

NCA high pressure two stage rotary screw compressors are used in geothermal drilling applications