Page 412 - Enhanced Oil Recovery in Shale and Tight Reservoirs
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382                            Enhanced Oil Recovery in Shale and Tight Reservoirs


                          Designated  name  fluid  the  for  C1  C2  C3  T1  T2  T3






                                         and           and
                             function  reduction  reduction  reduction  reduction


                             Primary  fluid  of  case  Base  IFT  IFT  wettability  alteration  case  Base  IFT  IFT  wettability  alteration




                                   17.79  6.12  10.45  11.14  10.48
                             angle,  ( )  ( )  ( )  ( )  ( )  6.68  ( )


                             Contact  degrees  120.78  145.62  41.76  112.81  144.23  44.05








                               used  Conventional  sandstone  sandstoneeCrab


                        used.  Rock  Berea      Tight  Orchard

                        solutions  mN/  oil  1.2  0.06  0.04  1.2  0.06  0.04


                        the  with  ( )  ( )  ( )  ( )  ( )  ( )
                        of   IFT  m  25  0.58  0.68  25  0.58  0.68
                        angles


                        contact  Concentration  -  wt.%  0.2  wt.%  0.2  e  wt.%  0.2  wt.%  0.2


                        and
                        IFT    fluid
                        12.2       water  surfactant  surfactant  water  surfactant  surfactant
                        Table  Aqueous  DI  Nonionic  Anionic  DI  Nonionic  Anionic
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