U.S. Department of Energy - Energy Efficiency and Renewable Energy

Geothermal Technologies Office

DOE and Navy Collaborate on Geothermal Drilling Technology

March 21, 2012

The Department of Energy's Sandia National Laboratories has teamed up with U.S. Navy's Geothermal Program Office to revive decades-old polycrystalline diamond compact (PDC) technology. The high performance PDC drill bit is being re-evaluated and improved to reduce the cost of drilling for geothermal energy. 

To read the Sandia Labs news release, click on the link below:
Polycrystalline diamond drill bits open up options for geothermal energy, March 19, 2012