Time period

Number of selected optimal wells

Location of the optimal observation wells (i, j, k)

1

15

W1 (30, 56, 1)

W3 (32, 53, 1)

W4 (63, 52, 1)

W5 (66, 49, 1)

W6 (70, 61, 1)

W9 (72, 49, 1)

W10 (75, 50, 1)

W14 (82, 53, 1)

W16 (86, 32, 1)

W19 (87, 32, 1)

W21 (89, 31, 1)

W22 (86, 32, 1)

W24 (87, 32, 1)

W25 (89, 31, 1)

W26 (92, 32, 1)