Another important innovation is a fiber connector built to withstand the high temperature and pressure in a deep well—without requiring the flowing-water ... drill bits have the potential to be up to ...

There’s no oil or natural gas here, despite a cluster of Halliburton cement tanks and ... outward and warms water trapped in underground rock formations. Energy companies drill down and bring ...

“No tunneling method has been able to tunnel through this kind of hard rock until now. Petra’s achievement is due to Swifty’s thermal drilling ... to make electric, water and sewer lines ...