Which treatment fluid (acid) concentrations should be used in acidizing for two sandstone units by considering the permeability values and mineral contents given in Table. Write the suggested acid concentrations and explain the effect of permeability on the variation of results.

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Mineral Content Clay (6) Rock Type Permeability Quartz(%) Feldspar Calcite (md) 104 (96) 28 (96) Sandstone A 60 4 Sandstone B 6 78 2 15 5 Mineral Content Clay (6) Rock Type Permeability Quartz(%) Feldspar Calcite (md) 104 (96) 28 (96) Sandstone A 60 4 Sandstone B 6 78 2 15 5