Page 210 - Basic Well Log Analysis for Geologist
P. 210

LOG  INTERPRETATION  CASE  STUDIES











                  790          BE    K= permeability,  md,  oil
                                °   °   K(0.1)=  permeabiilty,  gas
                    L      10    eo  °
                                  10
                                     o   /#
                  sot


           Swirr  %
                  30

                    —
                                 C=  79  gos                  crossplot  for  determining  permeability,  Cretaceous  Pictured
                                 C=  250  oil
                                                                 Irreducible  water  saturation  (Sy  j,)  versus  porosity  (db)
                  10h            K=  (cio*  /Swirt)]  2      Figure  97.
                         to
                                             po
                                   Lo
                                                              Cliffs  Sandstone,  San  Juan  basin.
                    5        15                   35
                                 G%















                 30
                                            N
                  28                            \
                                                  \  0   8
                  20}-                               Sa
                                                        a        °
            %     1S                          Mean   C=.12        ~~
             ‘oO
                                                                    °   ~~
                  1Of-
                                                                                vs.  S,),  Cretaceous  Pictured  Cliffs
                    i                                                           Figure  98.
                  5                                                                 Bulk  volume  water  crossplot  (b

                      0        |     1     \     wa    L     1     |            Sandstone,  San  Juan  basin.

                         10    20    x»    «0   50    60     70    80   90
                                             SW  %







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