Duke University professor of geochemistry and water quality Avner Vengosh has been studying the environmental impacts of hydraulic fracturing for the last five years with a team of scientists.
In a recent discussion about his purchase of a Dando Drilling sonic rig, Enviroprobe Service Inc. CEO Tim Gallagher said, “Everyone knew that, at some point, sonic head technology would become important to the environmental and geotechnical drilling sectors.”