Nearly two-thirds of the oil we use comes from wells drilled using polycrystalline diamond compact bits, originally developed nearly 30 years ago to lower the cost of geothermal drilling. Scientists ...

A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...

Drill bit manufacturers have substantially improved polycrystalline diamond (PCD) cutters and drag bit designs since their introduction in 1972. PCD drill bits are now approaching the rolling cone ...