Down The Hole (DTH) Drilling with Rotary Air Percussion Technique

Holes are required beneath the earth surface for various applications in geology, hydrology, agriculture, civil engineering, mineral exploration etc.  The most common application of down hole drilling is bore well as water source. Water storage under the earth surface is a pure source of water.   Earth crust is consisting of layers with variety of igneous, metamorphic and sedimentary rocks. Drilling the hole through these hard rocky layers is not an easy task. A controlled and powerful drilling mechanism is needed to drill the holes. Rotary air percussion is the one type of method most common and effectively applied for…

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