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Hydraulic Feedback Pump

Brief Introduction:

It conforms to API Spec 11AX specification. It’s mainly used for the heavy oil production with a viscosity up to 2, 000 mPa.s.

Feedback power greatly reduces downward traveling resistance of the sucker rod string and improves load conditions of the sucker rod.

 

Because of the increased downward sucker rod string force, the pump is suitable for heavy oil wells.

 

The cage is four-grooved and streamlined, with a large flow passage and little flow resistance, improving the coefficient of pump fullness.

Pump diameter mm (in)

Plunger length m (ft)

Stroke m(ft)

Connecting tubing (in)

Connecting sucker rod (in)

Pump constant (m3/d)

Max OD mm (in)

44(1-3/4); 32(1-1/4)

0.8 (2.62)

≤5.1 (16.7)

2-7/8

3/4

1.09

88.9 (3-1/2)

57 (2-1/4); 38(1-1/2)

2-7/8

3/4

2.05

88.9 (3-1/2)

70 (2-3/4); 44(1-3/4)

3-1/2

3/4

3.28

108 (4-1/4)

83 (3-1/4); 57 (2-1/4)

4

7/8

4.01

114 (4-1/2)

95 (3-3/4); 70 (2-3/4)

4-1/2

1

4.74

116 (4-9/16)

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