What can I expect during directional drilling

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Horizontal Directional Drilling – Specialized Construction for Large Waterways and Sensitive Areas

What is horizontal directional drilling? Horizontal Directional Drilling (HDD) is a construction technique whereby a tunnel is drilled under a waterway or other designated area, and a pipeline or other utility is pulled through the drilled underground tunnel. The underground tunnel follows an arc line from the entry point, down under the special crossing area, and then resurfaces on the …

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