Page 221 - Basic Well Log Analysis for Geologist
P. 221

LOG  INTERPRETATION  CASE  STUDIES









                       Effect   of   grain  size








                 TOR





        SW  %    sO

                 or
                   p

                  0             \  F-MG                      Figure  102.
                 20
                                                \  VFG
                  10                  ©  6  g  °  6203050     CG   versus  porosity  (@)  crossplot,  Devonian  Hunton  Dolomite.
                                                                  Grain  size  determination  by  water  saturation  (Sy)

                   3       4  1   5  L   6  Lopiit   it      Anadarko  basin.
                                      78910
                                  G   %







                100
                 90







      SW  %




                                                  crossplot  for  determining  relative  permeability  to  water  (K,,).
                                                  Figure  103.
                                                       Irreducible  water  saturation  (S,,  j-,,)  versus  water  saturation  (S,,)


                                                  Devonian  Hunton  Dolomite,  Anadarko  basin.









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