New drill bit technology: Greater durability, faster ROPs equal better economics ///
The easy oil has already been produced. Today, drillers are going deeper, into harder, more abrasive formations. One challenge for drill bit designers is to create polycrystalline diamond cutters (PDC) with greater wear resistance without sacrificing impact resistance. And, although fixed-cutter bits serve most of the drilling market, traditional roller-cone technology is still undergoing development, with emphasis on reliability and improved rates of penetration.
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