Drilling method ignites environmental challenge. Coalition opposes fracking technique that uses propane to extract natural gas. By Brian Nearing April 12, 2012.

The drilling method uses high pressure from a drill and perforating gun system to crack shale rock layers thousands of feet underground, where natural gas and oil can be found.

Houston startup Quaise Energy aims to drill deeper than ever before to harness geothermal energy. By Claire Hao, Staff writer Jan 30, 2025. ... That’s where Quaise’s drilling method, ...