The bits are designed and manufactured strictly according to API-7-1 Specification.
Three-blade bits is a common tool which is used to rework operation, for drilling cement plug, salt bridge, scraping the dirt off casing wall and wax and some mineral crystallization. Still can scrap well hole, making the wall bright and clean. It may be used to drilling ahead in bushing and side track(can destroy the keyway, is formed when side track) or drilling and rubbing the mat of perforating of shell, etc.
Under drilling and pressure effect, drilled goods as the cement is sucked at the bottom, through the rotation. The part of the sucked is cutting in the direction of the circumference. It will be drilled down gradually. Side lobe will be milled by drilling goods, forming cylinder space so that the well bore could be dressed better. The bits are designed and manufactured strictly according to API-7-1 Specification. skype:lucky_lakepetro
Diamond Three-blade bits API
