Conventional Coring

Conventional core drilling is a process where drill bits are lowered into the borehole on the end of a drill string, or drill pipe, and rotated manually to create a hole. In this method, the drill bit is connected to the bottom of the drill rod, while the top of the drill rod is connected to the drilling rig’s power source. The drill bit is then rotated, and the drill is slowly lowered into the rock formation. When the drilling reaches a desired depth or a formation boundary, the drill bit is removed, and a core sample is extracted.

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