More than 50 years passed before sonic drilling came back to one of its earliest uses as a pile driver. Today, the technology is far superior and set to revolutionize the piling industry with a just-patented method.
We tend to overlook half the population when recruiting for entry-level field-services roles, and that is something we can't afford to do when the labor market is this tight.
Rotary bits can handle soft to medium soil formations. But when you find yourself between a rock and a hard place, you need specialized equipment designed to power through rock formations.
After all the years I have attended NGWA, I found myself in an uncharted drilling community of drillers from all around the world. I had to seek out the team that brought drillers together from multiple continents.
If you have perforated casing and the formation no longer produces enough, you must seal the open perforation with cement before you drill down to the next aquifer.
The grout serves as an integral part of a properly functioning heat loop system, and also creates a low-permeable seal through the length of the borehole. Follow these steps to ensure a good sample of grout for thermal conductivity testing.