Hydraulic Feedback Sucker Rod Pump

Sanjack sucker rod pump workshop was established in 1964, which has more than 50 years of history. We have rich experience in production and a strong ability in research and development. Our products include various series of tubing pumps, rod pumps, and special sucker rod pumps.

  • 40 years’ experience in designing and manufacturing downhole pumps.
  • Participated in the draw up of the national standard of downhole pump.
  • 20 years of manufacturing experience in API11AX tubing Pump.
  • China’s top three API 11AX tubing pump manufacturers.

Hydraulic feedback sucker rod pump

It is composed of two pumps with different pump diameters in series.

It is suitable for cold recovery of heavy oil with viscosity below 4000mpa · s, thermal recovery of heavy oil with single well steam huff and puff, and oil well with low viscosity but frequent fracture.

hydraulic feedback sucker rod pump

Hydraulic feedback and anti-corrosion pump Equipped with stainless steel valve cover and cemented carbide valve pair, the corrosion resistance and stab resistance of the oil well pump are enhanced.

It is suitable for heavy oil well with high salinity and easy corrosion.

Hydraulic feedback sucker rod pump is composed of two pumps with different pump diameters in series.

It is suitable for cold recovery of heavy oil with viscosity below 4000mpa · s, thermal recovery of heavy oil with single well steam huff and puff, and oil well with low viscosity but frequent fracture.

Hydraulic feedback and anti-corrosion pump Equipped with stainless steel valve cover and cemented carbide valve pair, the corrosion resistance and stab resistance of the oil well pump are enhanced.

It is suitable for heavy oil well with high salinity and easy corrosion.

heavy oil well with high salinity and easy corrosion

Features:

1. Using the principle of hydraulic feedback, the downward thrust is generated during the down stroke, which can help the plunger overcome the resistance of heavy oil and the sucker rod to descend and reduce the breakage of the sucker rod.

2. The pump has no fixed valve, no oil drain is needed downhole, and the plunger can be lifted out of the pump barrel to achieve steam injection or oil drain.

3. Steam injection thermal recovery, forward and reverse well flushing and sand flushing can also be performed without moving the pipe string.

The operation is convenient, and the operation cost is reduced.

1.Adopting the principle of hydraulic feedback to generate downward thrust during the downstroke of plunger, which can help the plunger overcome the resistance between the heavy oil and the sucker rod, reducing the breakage of sucker rod.

2.This pump doesn’t have standing valve, so oil drain is not needed in downhole. Oil draining or steam injection can be achieved once remove the plunger.

3.Steam injection of thermal recovery, wells flushing & back flushing, and sand flushing can be achieved without lifting the pipe string. The convenient operation will greatly reduce the operation cost.

Model25-175/150THFK25-225/150THFK30-275/175THFK
Nominal Diameter(mm)44.5/38.157.2/38.169.9/44.5
Stroke(m)1.8~7.3
Tubing size (in)2 7/83 1/2
Sucker rod size (in)3/47/8
Pump constant (K)1.6422.0523.283
Max. O.D. (mm)89.5108

Feature Products

Hydraulic Feedback Sucker Rod Pump
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  • OCTG Tubing and Casing.
  • OCTG Casing.
Hydraulic Feedback Sucker Rod Pump
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  • OCTG Tubing and Casing.
  • OCTG Casing.
Hydraulic Feedback Sucker Rod Pump
-
  • OCTG Tubing and Casing.
  • OCTG Casing.
Hydraulic Feedback Sucker Rod Pump
-
  • OCTG Tubing and Casing.
  • OCTG Casing..
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