Page 143 - Formation Damage during Improved Oil Recovery Fundamentals and Applications
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122                                                 Thomas Russell et al.



               (A)  10 3
                         0.6 M               0.035 M              DI
                                         Experimental data
                                         Model
                  10 2
                 Impedance




                  10 1






                  10 0
                     0       5       10      15      20       25
                                            PVI

               (B)  4.5  ×10 –3
                                   0.035 M
                   4  0.6 M     Experimental data         DI
                 Accumulated outlet concentration  2.5
                  3.5
                                Model
                   3



                   2

                  1.5

                   1
                  0.5

                   0
                     0    5   10    15   20   25   30   35    40   45
                                            PVI
          Figure 3.18 Laboratory data and the fitted analytical model: (A) impedance J(T); (B)
          accumulated breakthrough concentration   Test 2 (PVI: number of pore volumes
          injected).
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