core

original permeability

K_i, mD

K, mD

Water sensitivity damage %

assessment

formation water

3/4

formation water

1/2

formation water

1/4

formation water

deionized water

1-015A

511.9

511.9

449.1

350.4

308.1

259.4

49.3

weak

2-015A

50.0

50.0

40.2

38.6

30.2

21.3

57.3

strong

1-003A

289.0

289.0

213.9

180.4

152.5

143.7

50.3

strong

2-010A

27.0

27.0

19.4

17.9

17.1

12.6

53.1

strong