Residual Oil Screw Pump

Residual Oil Screw Pump

Multiphase transfer pump with China\'s leading technology
Product Features: 1.Stable performance: not sensitive to the influence from gas content and medium fluid
2. Excellent rigidity: no vibration caused by gas compressing
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Product Details

Multiphase transfer pump with China\'s leading technology

Product Features:

1.Stable performance: not sensitive to the influence from gas content and medium fluid

2. Excellent rigidity: no vibration caused by gas compressing

3.Strong boosting: able to handle various pressure ratio condition

4.Excellent abrasive resistance: screw surface hardness reach to HV1200

5. Reliable sealing: in compliance with API682 standard.

6. In the old oilfields where the production of produced products is decreasing, the use of oil-gas mixed twin-screw pump can reduce the wellhead back pressure to a great extent, increase the production of these old wells by 100%, increase the benefit of the oilfield, and recover the investment in a few months.

7. In marginal oilfields, the use of oil-gas mixing pump for oil-gas mixing can greatly save the early investment of small oilfields, connect small marginal oilfields with large regional oilfields, and realize the economic and effective exploitation of these marginal oilfields.

8. In desert oilfields, the production of oil wells in the hinterland of desert can be directly sent to the gathering and transportation stations on the edge of desert by using oil-gas mixed pump. Simple and reliable wellhead mixed pump without guard can replace complicated wellhead oil-gas separation equipment, which can greatly reduce the investment in the early stage of oilfield construction and make it possible for oilfield workers to avoid working in harsh environment.

9. The oil, gas and water mixtures of the gathering and transporting stations can be directly pressed to a distant processing plant without any separation equipment to be used in the large gathering and transporting stations in the oilfield for processing. Oil-gas mixed transporting pumps and twin screw pumps for gas-liquid mixed transporting pumps

10. For remote oil wells or very viscous oil fields, oil-gas mixed pump can be used as oil well relay pump to boost the output of oil wells to the required pressure of the main line and send it to the main line.


performance  Viscosity:  0.5-1500 mm2/s

Flow:20-150 m3/h

Maximum Pressure:6.3 Mpa

Maximum Temperature:-20-120 ℃


When the screw pump works, the liquid is sucked into the closed space surrounded by the screw thread and the pump shell. When the screw rotates, the sealing volume of the screw pump increases the pressure of the screw pump under the extrusion of the screw tooth, and moves along the axis. Because the screw rotates at the same speed, the flow rate is uniform. Because the screw engages with each other, and the screw and the inner wall of the liner closely cooperate, the suction and discharge ports of the pump are divided into one or more closed spaces. With the movement and engagement of the screw, the closed space is constantly formed at the suction end of the pump, and the liquid in the suction chamber is sealed, and the liquid in the closed ports is continuously pushed from the suction chamber to the discharge end, and the liquid in the closed ports is continuously discharged. V can be used to transport fuel oil, lubricating oil, polymer, viscous substances and so on.

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