An oil filtration device used in oil and gas development

By designing an oil filtration device, a motor-driven guide shaft and filter blades are used to rotate the natural gas circumferentially. Combined with scrapers and oil suction components, oil impurities are quickly removed, solving the problem of long natural gas filtration time and achieving efficient oil removal and pipeline cleaning.

CN115572626BActive Publication Date: 2026-04-03张建中
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Patent Information

Application Number
CN202211186173.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-27
Publication Date
2026-04-03
Estimated Expiration
2042-09-27

AI Technical Summary

Technical Problem

In existing technologies, the contact speed between natural gas and the oil suction component is slow, resulting in a long filtration time. This makes it difficult to effectively remove petroleum impurities from the natural gas after gas-liquid separation, which can easily cause pipeline blockage.

Method used

An oil filtration device for oil and gas extraction was designed, including a guide pipe, a booster pump, an air inlet pipe, an oil filter mechanism, and an oil storage tank. The device utilizes a motor-driven guide shaft and filter blades to make the natural gas rotate circumferentially, increasing the contact time and contact probability, and quickly removing oil impurities through scrapers and oil suction components.

Benefits of technology

While increasing the gas supply rate, it significantly improves the filtration effect and removal efficiency of petroleum impurities, prevents pipeline blockage, and ensures the pure transportation of natural gas.

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Abstract

This invention belongs to the field of natural gas filtration technology, specifically an oil filtration device for oil and gas extraction. It includes a guide pipe, a booster pump at the top of the guide pipe, an air inlet pipe at the bottom of the guide pipe, and a tail filter at the bottom end of the guide pipe. An oil filter mechanism is located between the air inlet pipe and the guide pipe, and the air inlet pipe is connected to the oil filter mechanism. An oil storage tank is connected to one side of the oil filter mechanism. Through the operation of the oil filter mechanism, the natural gas is agitated, causing it to rotate circumferentially within the mechanism. This increases the contact time and probability between the oil filter mechanism and the natural gas, and also increases the probability of aggregation between oil impurity particles. Consequently, oil impurities in the natural gas adhere to the oil filter mechanism and ultimately enter the oil storage tank, improving the filtration effect. This allows for better oil filtration even with increased gas supply rates.
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