Sonic drilling employs the use of high-frequency, resonant energy generated inside a sonic head to advance a core barrel and casing into subsurface formations. It is an optimal method when near ...

Drivdahl, an expert on the advantages of sonic drilling over conventional surface drilling methods, will discuss those advantages during MINExpo.

Other methods under consideration are dual rotary reverse circulation and diamond drilling with a face discharge bit.

She indicates that the sonic drilling at the RMB site had to be managed in a more conventional drilling method requiring the rods and core barrel to be removed from the borehole each time the core ...

The team behind The Curse of Oak Island look like they're upping their treasure-hunting efforts even more this year — with a new "sonic drilling" technique.

Testing is underway of sonic telemetry technology that a Canadian company says can deliver data at rates faster than existing methods.

LONDON - Cobra Resources PLC (LSE:COBR), an exploration and development company, has initiated a sonic core drilling program at its Boland Project in South Australia, targeting a potentially ...

She indicates that the sonic drilling at the RMB site had to be managed in a more conventional drilling method requiring the rods and core barrel to be removed from the borehole each time the core ...

Geotechnical services company Geomech Africa, subsidiary of Geogroup, imported its 20 tonne, SDC 450-24 sonic drill rig from Canada at a cost of US$1-million specifically to handle deep borehole ...