Deviated conductor driving system

Deviation hole plug

Device and a method for drainage of water from rock caves

Device and method for augering a conical hole in solid media

Device and method for automatic change of a drill bit and...

Device and method for closing off a mine gallery especially...

Device and method for detecting an anomaly in an assembly of...

Device and method for effecting provision of an opening in...

Device and method for feeding particles into a stream

Device and method for heating a treating fluid

Device and method for improving liquid removal from gas,...

Device and method for installing a rock bolt and a rock bolt...

Device and method for maintaining constant pressure on, and...

Device and method for measuring a property in a downhole...

Device and method for measuring the flow rate of drill cuttings

Device and method for producing soil structures in the ground

Device and method for reducing detonation gas pressure

Device and method for remediating and separating gas...

Device and method for remotely actuating an equipment -...

Device and method for retrieving debris from a well