Well No.

Oil Viscosity

/mPa・s

Before optimization

Measure

After optimization

Liquid

/(m3・d−1)

Oil

/(m3・d−1)

Water cut/%

GOR

/(m3・m−3)

Calculated critical production

/(m3・d−1)

Liquid

/(m3・d−1)

Oil

/(m3・d−1)

Water cut

/%

GOR

/(m3・m−3)

Oil increment

/(m3・m−3)

A01h

10

80

23

71.3

38

116

Pump frequency increasing

115

33

71.4

42

10

A10h

3

100

98

2

61

160

157

155

1.3

63

57

A13h

5

61

29

52.5

50

93

90

41

54.4

53

12

A37h

10

71

16

77.5

46

120

120

25

79.2

47

9

F22h

3

73

45

38.4

65

105

105

64

39

75

19

A02h

5

110

108

1.8

167

100

Pump frequency decreasing

100

99

1

122

−9

D02h

10

58

30

48.3

90

45

41

25

39

61

−5

A19h

1.5

166

98

41

166

145

140

103

26.4

108

5

A29h

3

122

20

83.7

187

90

90

23

74.4

120

3

A33h

3

100

71

29

221

80

Shrink the nozzle

80

66

17.5

155

−5

F32h

1.5

167

101

39.5

149

140

140

99

29.3

117

−2

Summation

94