DEVICE AND A METHOD FOR TREATING SLIME IN DRILLING, CAPABLE OF DISCHARGING SLIME THROUGH THE SLIME DISCHARGING HOLE OF A DRILL ROD USING INJECTION FLUID PRESSURE

摘要

PURPOSE: A device and a method for treating slime in drilling are provided to remove slime remaining inside a drilling hole with drilling tools without using separate equipment.;CONSTITUTION: A method for treating slime in drilling comprises the following steps: forming one or more slime discharging holes (2) on a drill rod; discharging slime from a drilling front end to the outside using injection fluid pressure towards a drilling bottom; and changing the direction of the injection fluid pressure towards the ground bed using the slime discharging holes after forming a drilling hole and subsequently collecting a drill in order to discharge slime remaining in a drill rod section to the outside.;COPYRIGHT KIPO 2013