5 - Wing PDC Bits for Oil / Water / Gas Well *Optimized bit profile,suitable for drilling medium soft to medium homogeneous formations. *Evolute cutter placement,asymmetrical blade design ang balanced bit load so that bit whirl is prevented. *Composite gage protection and low torque design improve rate of penetration. *CFD hydraulic balance design results in better bit cleaning and cutting removal. *Combined utilization of high performance PDCcompacts significantly prolongs bit life.