Underground oil-water separation device and oil-water separation method

Abstract

The invention discloses an underground oil-water separation device and an oil-water separation method. The underground oil-water separation device comprises a central pipe, a turbine generator is arranged in an opening in the upper end of the external central pipe, a pulse generator is fixed to the central pipe, on the lower side of the turbine generator, the power output end of the turbine generator is connected to the power input end of the pulse generator, a multi-cup equal-flow type oil-water separator is formed on the central pipe on the lower side of the pulse generator, the multi-cup equal-flow type oil-water separator comprises a plurality of sedimentation cups, positive electrodes and negative electrodes which directly surround the edges of the sedimentation cups are arranged on the edges of the upper parts and the lower parts of the sedimentation cups correspondingly, all the positive electrodes in the sedimentation cups are connected together through a wire, and all the negative electrodes in the sedimentation cups are connected together through a wire. The device can improve the separation speed of oil and water, accelerate the demulsification degree and oil aggregation, and improve the oil-water separation ratio.

Description

Technical field [0001] The present invention relates to the field of oil and gas fields and the technical findings, and more particularly to a downhole oil-water separation device and an oil-water separation method. Background technique [0002] At present, most of the land oil fields enters the high water stage, and the proportion of oil water is getting smaller and smaller, and a large amount of water makes the performance of each machine produces great load, and the cost of oil production is getting higher and higher. Therefore, there is an urgent need of the oil field to increase the amount of oil from oil or oil and water to handle a large amount of water. Tongjing Note is one of the methods that can solve this problem. [0003] The same well injection is simultaneously injected and admitted to the wellbore of the same side well, and the oil and water is separated under the joint rod, the pump, sealing piston, pump, the injection of the pump, and the separator. And save a lo...

AI Technical Summary

Problems solved by technology

The advantage of the gravity sedimentation separator is that the oil-water separation degree is high, the structure is simple, the principle is easy to understand, and the operation is convenient. The disadvantage is that the oil-water separation speed is slow and the efficiency is low. The requirements for the speed of the liquid, the difference in the density of the oil and the water, and the viscosity difference are relatively high.

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