油田类别

井网密度，井/km²

10

20

30

40

50

水驱控制程度，%

I

88.69

80.08

72.38

65.43

59.14

II

76.93

65.03

54.97

46.67

39.29

III

70.60

48.50

33.58

23.25

16.10

IV

52.47

29.29

16.35

9.13

5.10

V

36.69

13.34

4.85

1.76

0.64