drillable

adjective

drill·​able -ləbəl 

: capable of or fit for being drilled

an alloy not readily drillable

recruits scarcely drillable

mixed fertilizers granulated in order to make a more drillable product

drillability noun

This 15,000 ft interval would traverse several formations with varying degrees of drillability.

—Kevin McMillin, Offshore, December 1999

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