Macro assisted control system and method for a horizontal...

Macro assisted control system and method for a horizontal...

Mapping tool for tracking and/or guiding an underground...

Mapping tool for tracking and/or guiding an underground...

Mapping tool for tracking and/or guiding an underground...

Method and a device for directional control of a rock...

Method and a device for drilling with several tools in simultane

Method and an equipment for adjusting rock drilling

Method and apparatus for attaching/detaching drill rod

Method and apparatus for automatic closed loop drilling system

Method and apparatus for bottom hole measurement

Method and apparatus for controlling the rotational torque of a

Method and apparatus for determining potential for drill bit...

Method and apparatus for directly controlling pressure and...

Method and apparatus for drill cuttings transfer

Method and apparatus for drilling optimum subterranean well bore

Method and apparatus for providing controlled force transference

Method and apparatus for removing cuttings

Method and arrangement for controlling feed in rock drilling

Method and arrangement for controlling percussion rock drilling