Nowadays, HDD rock reamer with PDC cutters is being used more and more in reaming projects, comparing with rock reamers with roller cones, the PDC rock reamers need higher RPM and lower WOB, high speed rotation cutting is feature of PDC Rock Reamer.
Higher penetration rate, longer life and lower risk are the advantages of PDC reamers, PDC reamers has faster drilling speed, longer life than roller cone rock reamer, and PDC reamer has no risk of dropping cones into hole.
|PDC Bits||Hole Opener||Roller Cones (Thirds)||Piling Roller Cones|
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