Well number

Test layer

Effective thickness /m

Permeability

Matching degree of particle size

Concentration of emulsions/%

Daily output before profile controlling/m3

Daily output after profile controlling /m3

/10−3 μm2

liquid

oil

water

liquid

oil

water

A-1

I

14.8

1500

4.5

100

22

11.2

10.9

98.3

35.3

63.1

II

25.6

5300

171.4

62.6

108.8

133.1

58.1

75

A-2

I

17.6

450

4.5

50

69.8

55

14.8

115.2

80.2

35

II

35

900

216.4

32.5

184

204.5

26.5

178