Underreamers - Bottomhole Assemblies | Schlumberger


Improve performance while enhancing borehole quality

Underreaming while drilling improves drilling performance while enhancing borehole quality. With operational flexibility ranging from demountable cutters to cutters that encompass milled tooth, tungsten carbide insert, and polycrystalline diamond compact (PDC) cutters, the range of tools available ensures optimal performance in any application.
Diamond underreamer.

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