2015 – Page 10 – GeoPrac.net

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[ September 12, 2025 ] Ground Improvement Strategies: Insights from Recent Webinars Available Resources
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Ray Roussy, pioneer of the sonic drilling technique

The Evolution of Sonic Drilling, from Inventor Ray Roussy

January 12, 2015 rockman 1

Ray Roussy was a pioneer of the sonic drilling technique. In an interview with National Drilling Magazine, Roussy shares how the sonic drilling method began, what changes have occurred over time, and what some of […]