product description:

As a kind of mechanical oil production equipment in the oil field, the screw pump has good adaptability in the exploitation of heavy oil, sand-bearing and high gas-bearing wells, and has the characteristics of small size, convenient installation, and low energy consumption. However, there are two shortcomings of the screw pump in the process of oilfield application. One is the poor lifting capacity, which leads to high sinking, which affects the injection-production balance of the block and limits the liquid production capacity; the second is the poor safety performance, after the screw pump well is shut down. , Under the action of the pressure difference formed by the high pressure liquid in the tubing and the external pipeline and the well fluid in the casing, the screw pump will become a hydraulic screw motor, which makes the rotor and the connected rod string reverse quickly, and finally causes the polished rod to twist and break. .

Application effect:

1. The screw pump downhole efficiency enhancement control reversal device transfers the design of surface control reversal to downhole control reversal, and production will be safer and more reliable.

2. Longer vortex generation chamber and vortex generator are designed. Under the vortex state, the entering crude oil produces high-speed vortex motion, the crude oil flow capacity is increased by more than 10 times, the oil flow pressure is increased, the oil and water are fully mixed, and the original The paraffin molecules with a network structure are fully dispersed into oil and water, and the fine crystals formed by the paraffin molecules are not easy to combine together, and the precipitation of paraffin is suppressed. It can effectively increase the inlet pressure of the screw pump, thereby increasing the efficiency of the screw pump and improving the liquid production capacity of the screw pump well.