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A breath of fresh air - Dual tube flooded reverse drilling stands out above conventional methods

This article originally appeared in Coal International. Dual-tube flooded reverse circulation (DTFR) drilling is gaining increased use in global markets as companies come to better appreciate the many benefits it offers as an alternative to conventional rotary drilling. In each local market, they’re seeing the results of all that DTFR has to offer, including higher-efficiency… MORE »

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