Air-proof oil-well pump

An oil well pump and air-proof technology, which is applied in the direction of pump components, variable displacement pump parts, and parts of pumping devices used for elastic fluids, etc., can solve the problem of affecting the normal operation of oil wells, low oil output, and air lock of oil well pumps and other problems to achieve the effect of eliminating air lock phenomenon, simple structure and strong practicability

Inactive Publication Date: 2013-02-13
SHAANXI HI TECH ENERGY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the normal production process of the oil well, a large amount of gas enters the pump barrel. When the pump is stroked up and down, the oil well pump is prone to air lock, resulting in little or no oil output, which seriously affects the normal work of the oil well.

Method used

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  • Air-proof oil-well pump

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Embodiment 1

[0009] The anti-air oil well pump of the present invention comprises a pump barrel 1 and an oil well pump, and the oil well pump is movably arranged inside the pump barrel 1, and the described pump barrel 1 includes an upper pump barrel and a lower pump barrel, and the upper pump barrel and the lower pump barrel A section of wide pipe 2 is connected between the lower pump barrels. The air-proof oil well pump according to the present invention is provided with a section of wide pipe 2 with an increased inner diameter between the upper pump barrel and the lower pump barrel. Gas can be accumulated in the wide pipe 2. When the oil well pump runs to the wide pipe 2 in the downstroke, The accumulated gas can be discharged to the upper part of the oil well pump through the wide pipe 2, which reduces the accumulation of gas in the cavity formed between the pump barrel 1, the oil well pump and the fixed valve, and eliminates the occurrence of air lock.

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Abstract

The invention discloses an air-proof oil-well pump, relates to an oil-well pump, and particularly relates to an oil-well pump which can prevent an air lock phenomenon. The air-proof oil-well pump provided by the invention comprises a pump barrel and the oil-well pump, wherein the oil-well pump is flexibly arranged in the pump barrel; and the air-proof oil-well pump is characterized in that the pump barrel comprises an upper pump barrel and a lower pump barrel, and a section of wide pipe is connected between the upper pump barrel and the lower pump barrel. The air-proof oil-well pump provided by the invention has the advantages that a section of wide pipe is connected between the upper pump barrel and the lower pump barrel, when the lower stroke of the oil-well pump operates in the wide pipe, and the collected gas is discharged on the upper part of the oil-well pump through the wide pipe; and stock gas in a cavity formed among the pump barrel, the oil-well pump and a fixed valve is reduced, the generation of the air lock phenomenon is eliminated, the structure is simple, and the practicability is strong.

Description

technical field [0001] The invention relates to an oil well pump, in particular to an oil well pump which can prevent the phenomenon of air lock. Background technique [0002] During the normal production process of the oil well, a large amount of gas enters the pump barrel. When the pump is stroked up and down, the oil well pump is prone to air lock, resulting in little or no oil output, which seriously affects the normal operation of the oil well. Contents of the invention [0003] The present invention aims at proposing an anti-air oil well pump which can avoid the phenomenon of air lock. [0004] The anti-air oil pump of the present invention includes a pump barrel and an oil well pump, and the oil well pump is movably arranged inside the pump barrel, and is characterized in that the pump barrel includes an upper pump barrel and a lower pump barrel, and the upper pump barrel and the Connect a length of wide tubing between the lower pump barrels. [0005] In the anti-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/16
Inventor 王耀斌
Owner SHAANXI HI TECH ENERGY DEV
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