Device for application of dope on male threads

Device for appplying plugging mix to well walls

Device for borehole hydraulic mining

Device for boring

Device for boring holes in the ground

Device for breaking a hard material

Device for breaking rocks and the like without explosives

Device for building up down-pressure on well face during...

Device for building up high pulse liquid pressures

Device for burning holes into concrete, masonry, stone or metal

Device for changing bore crowns on a drill rod

Device for channeling solids and fluids within a reverse...

Device for charging drillholes

Device for cleaning widening and repairing of wells

Device for coating tunnel walls

Device for collecting solid bodies on an underwater bed

Device for conducting cementing operations and inflow...

Device for conducting forces into movable objects

Device for connecting a supply pipe to the inner channel of...

Device for connecting two elements having a substantially...