Product Details
Product Description
Product Description
Three-blade bit is a common tool which used to rework operation, for drilling cement plug,scraping off the dirt of casing wass and hard wax and some mineral crystallization.Still can scrap well hole,making the wall bright and clean, it may used to drilling ahead in bushing and sie track(Can destroy the keyway which formed when side track) or drilling and rubbingthe mat of perforating shell,etc.
Under drilling and pressure effect,drilled goods as the cement is sucked at the bottom,through the ratation,the part of sucked is cutting in the direction of circumference, it will be drilling down gradually.Side lobe will be milled by drilling goods,forming cylinder space so that better dressing the well bore by drilling.
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