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.”
Nidec Motor Corporation’s U.S. Motors brand released an update to its iconic vertical motor lineup at the recent WEFTEC 14 event in New Orleans, Sept. 27-Oct. 1.