Case one Parameters Well name Range Injection rate (sm3/day/well) From I1 to I5 2. × 106 – 2.912×106 Well location in X direction I1 76-79 I2 80-94 I3 65-75 I4 76-94 I5 65-75 Well location in Y direction I1 29-40 I2 26-40 I3 22-40 I4 14-25 I5 14-21 Well completion From I1 to I5 20-53 Case two Parameters Well name Range Injection rate (sm3/day/well) From I1 to I7 2 × 106 - 2.912 × 106 Well location in X direction I1 65-77 I2 78-81 I3 81-94 I4 78-80 I5 65-77 I6 81-94 I7 65-77 Well location in Y direction I1 25-27 I2 29-40 I3 14-26 I4 14-25 I5 28-40 I6 28-40 I7 14-24 Well completion From I1 to I7 20-53

Table 4: The ranges of parameters for case one and case two. X and Y location are given in term of grid cell number in the X and Y direction and well completion in Z direction.