Table 5 Characteristics of tested sandpacks.

From: Theoretical and experimental investigation of the impact of oil functional groups on the performance of smart water in clay-rich sandstones

No

Clay Con (%)

Length (cm)

Diameter (In)

Porosity (%)

Permeability (md)

Soi

Oil sample

1

0.0

12

1

29.6

163.6

87.0

A

2

0.0

12

1

29.9

171.2

82.0

B

3

0.0

12

1

29.9

165.4

86.6

A

4

0.0

12

1

29.8

166.1

81.6

B

5

5.0

12

1

27.7

61.6

83.7

A

6

5.0

12

1

28.1

61.8

84.8

B

7

5.1

12

1

29.0

66.2

84.0

A

8

5.1

12

1

28.4

64.6

84.4

B

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