Cores number

Experiment scheme

Pore volume (ml)

Saturation of oil (%)

Water flooding recovery (%)

Chemical flooding recovery (%)

Total recovery (%)

Flooding program recovery (%)

Enhanced oil recovery (%)

a-1

Polymer

150.6

72.3

38.5

9.6

48.1

44.5

14.3

a-2

123.2

67.5

19.3

20.5

39.8

a-3

Surfactants

148.5

70.5

37.1

12.6

49.7

38.6

8.9

b-1

125.6

68.2

20.6

4.5

25.1

b-2

Binary compound flooding

153.0

71.6

39.5

19.3

53.8

50.7

19.3

b-3

125.5

68.2

21.0

26.0

47.0