Sand plug oil pipe drills through and washs specific drill bit

The utility model provides a sand plug oil pipe drills through and washs specific drill bit, is including cutting blade holder, cutting sword piece, drilling rod and drill bit, and the cutting blade holder is established to cylindrical, and the center is equipped with the limbers, is equipped with the joint of taking box thread or male thread on the upper portion of cutting blade holder, and well upper portion is equipped with first cutting sword piece, is equipped with the apopore on cutting sword piece global not establishing, around or from top to bottom be equipped with second cutting sword piece in both sides at the middle part of cutting blade holder, lower part center at the cutting blade holder is equipped with drill bit pole hole, at the downthehole drill bit pole of fixing with keyway and fixed pin that is equipped with of drill bit pole, is equipped with cone drill bit at the tip of drill bit pole. The utility model is suitable for a drilling through of oil field sand plug oil pipe wash to be resto