Scientists now know how to drill deep enough to tap into an energy supply that would power the world for more than 20 million ...

Building on synergies with the oil and gas sector, geothermal companies seek to go hotter and deeper to unleash energy.

This down-the-hole-drill has proven itself in soft, medium and hard rock conditions with multiple end-users and applications. Provides deep holes from 3.5 to 6.5 in. at fast drilling rates with ...