New Drill Bits To Make Geothermal Cheaper


About 30 years ago Sandia Labs developed polycrystalline diamond compact (PDC) bits for geothermal drilling.  Today nearly two-thirds of the oil we use comes from wells drilled using the (PDC) bits.  That’s technology gone astray, valuable – and still missing the original point.  Now Sandia and the U.S. Navy recently brought the technology back full circle, showing how geothermal drillers might use the original PDC technology with added decades of improvements by the oil and gas industry. Polycrystalline diamond compact…

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