In April 2026, Mitsubishi Materials established a new Resource Circulation Division headquartered in Chicago, Illinois.
Underreamers are generally used in softer formations containing sands and gravels but can also work in harder formations.
Ring bit systems are commonly used for drilling in overburden like boulders or loose formations.
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Justin Lewis, product manager of casing advancement and DTH at Mitsubishi Materials USA, helps design new systems to meet the customers’ needs.
