Page 226 - Basic Well Log Analysis for Geologist
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APPENDICES







             70
                                                                SS
                        Light  oil   (35°  API)
              o   oO
            %

            Syit   3
           saturation,   >   oO





           water   ol   oO

           Irreducible   nN   o




              lo                                                     Appendix  4.   [rreducible  water  saturation  (S,,  ;,,)  versus
                                                                            water  saturation  (Sy)  crossplot  chart  for

              0       L      |      !      1      l       J                 determining  percent  water-cut  (35°  API  gravity
                                                                            oil).  Chart  after  Fertt  and  Vercellino  (1978).

                10    20     30     40     50     60     70     80
                            Water   saturation,   Sy!  %


                                                              f
              70
                     Medium  gravity  oil   (27°  API)        )
              60
           %
           Swi   40                               sP  /  68
              50
           Irreducible                        ©
                                                      Oo
           saturation,
                                           So

           water
              30


              20


              10
                                                                            water  saturation  (S,.)  crossplot  chart  for
                                                                            determining  percent  water-cut  (27°  API  gravity
                                                                            oil).  Chart  after  Fert!  and  Vercellino  (1978).
               0       I      |     I       |    _t      f           Appendix  5.   [rreducible  water  saturation  (Sy  j,,)  versus

                10    20    30      40     50     60     70    80
                             Water   saturation,  Sw  %
   221   222   223   224   225   226   227   228   229   230   231