Device attachable to power drills for removal of material releas

Device for collecting drilled material and dust

Device for containing and removing drilling slurry

Device for obtaining dust from minerals

Device for sealing a drill hole and for discharging...

Device having a filter, a filter vibrating means and a...

Diverter apparatus

Diverter including apparatus for breaking up large pieces of for

Door drilling Kelly

Downhole apparatus

Downhole apparatus

Drill cuttings conveying head with wet cuttings diverter

Drill for forming undercuts in bores

Drill hole filling method and apparatus

Drill pipes and casings utilizing multi-conduit tubulars

Drill rod

Drill sampling diversion unit

Drill sampling diversion unit

Drill steel centralizer

Drill string component for drilling with a liquid driven drillin