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Index Terms                             Links



      Newtonian fluids (Cont.)
         rheological  properties of            24
         viscosity  of                         24     62

      Newtonian model                          21
      Nikuradse’s friction factor             124    135
      Nitrogen gas drilling system            109    112
      Non-Newtonian fluids                     23
         cuttings terminal slip velocity in    56
      Nozzle. See Bit nozzles
      Nozzle velocity                          52

         maximum                               84

      O

      Oil–gas interfacial tension             154
      Open-hole/drill collar annulus           42     45
      Open-hole/drill pipe annulus             42     45


      P

      Parasite casing injection               217    217
      Parasite string injection               215    216
      Parasitic pressure
         equation for                          68
         loss of                               35     48      84     89
                                               91

      pH                                      160
      Pipe
         with flow diverter                    99
         fully open                            98
         with  nozzle                          99

         open-ended                           104

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