Drilling

Drilling is the major key to providing energy efficiency in geothermal heat exchange.

Commercial, residential, retrofit, and new construction requires the competent application of drilling technology.

The knowledge and experience required to install geothermal wells anywhere in any geology, is the primary technical and valuable aspect of an efficient geothermal system.

Unfortunately most geothermal heat pump sales methods in Canada have avoided or been in competition with this fact, however it remains a simple equation.

A vertical heat exchange loop properly sized and installed to 100 meters ( 330 ft ) of depth, will operate at 9 – 11 degrees on average, deeper means warmer.

A near surface horizontal exchange loop is typically installed at 1.5 meters ( 5 ft ) of depth, will operate at 2 degrees at our latitude, on average. ( This because seasonal ambient temps will affect ground temperature to a depth of 3 m – 10 ft. )

Quite a simple equation that is still curiously avoided, a negative for geothermal popularity in Canada.

A heat pump just pumps a source of heat, as the name implies. Source temperature totally dictates the amount of heat being pumped. Most geothermal systems are sold claiming the efficiency of a particular brand of heat pump, COP or SEER rating, Much as less efficient air source heat pump systems are sold.

 

Our drilling experience since the mid 70’s has had perpetual diversity of geology and geography, with work performed in 12 countries over more than 35 years.

Our Wombat drills have all necessary functions on board to drill, install, and grout geothermal wells, with minimal time and labor. The space required is just 2.5 meters x 4 meters.

We have designed a platform that maximizes productivity while reducing costs to a minimum, weighing just 6,000 kg loaded, our rigs perform as well or better than machines many times the size and weight. Our light weight track machines have great mobility in all terrain, and are easy to transport.

The small diameter geothermal wells we install require less fuel, drill bits, water, grout and sand, trenching, and labor. Thereby we can minimize the cost to our customers, while maintaining the maximum quality of our product.

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