Pre-reaming the Horizontal Boring

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4 Steps of Horizontal Directional Drilling Process

Horizontal directional drilling consists of several installation steps. First, a pilot bore is made with a suitable-sized drilling rig. The bore is steered to create an initial hole at the required line and grade. Successive reamers are then pulled back to enlarge the bore diameter to the desired size. During the last stage of reaming, the service pipe is pulled …

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