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Compressor extraction system for natural gas well

A technology of compressor and natural gas, which is applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc. It can solve the problems of natural gas solubility increase, gas production pressure reduction, output reduction, etc., and achieve the improvement of gas flow with liquid capacity, extended life cycle, and increased yield

Inactive Publication Date: 2014-12-24
汉纬尔机械(上海)有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] After a certain stage of natural gas well collection, the production will attenuate, and the gas production pressure will also decrease accordingly. Gas wells will gradually accumulate liquid, further suppressing the output of natural gas; at the same time, due to the drop in gas production pressure of natural gas wells, natural gas cannot be smoothly transported to the gas transmission pipeline network, causing the pressure in natural gas wells to rise. The solubility in the liquid will increase, and the output will further decrease. Under such a vicious cycle, the liquid accumulation will completely block the natural gas well, making it an abandoned well

Method used

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  • Compressor extraction system for natural gas well

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Embodiment Construction

[0013] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and any similar structures and similar changes of the present invention should be included in the protection scope of the present invention.

[0014] Such as figure 1 As shown, a compressor extraction system for a natural gas well provided by an embodiment of the present invention relates to a natural gas well 1, and the system includes a compressor 2, an intake pipe 3, an exhaust pipe 4, and an exhaust valve 6;

[0015] The medium inlet of the compressor 2 is connected to the natural gas gas well 1 through the intake pipe 3, and the medium outlet of the compressor 2 is connected to the inlet of the exhaust valve 6 through the exhaust pipe 4. The intake valve 5;

[0016] It is characterized in that: the medium outlet of the compressor 2 is connected to the natural g...

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Abstract

The invention discloses a compressor extraction system for a natural gas well, relates to the technical field of natural gas extraction, and solves the technical problems of low gas production rate and short life cycle of the gas well. The system comprises a compressor, a gas inlet pipe, a gas outlet pipe and a vent valve; a medium inlet of the compressor is connected with the natural gas well through the gas inlet pipe; a medium outlet of the compressor is connected to the inlet of the vent valve through the gas outlet pipe; the gas inlet pipe is provided with an inlet valve used for controlling the on or off of the gas inlet pipe. The compressor extraction system is characterized in that the medium outlet of the compressor is connected to the natural gas well through a reinjection pipe, and the reinjection pipe is provided with a reinjection valve used for controlling the on or off of the reinjection pipe. The system provided by the invention is suitable for extraction of the natural gas well.

Description

technical field [0001] The invention relates to natural gas exploitation technology, in particular to a compressor extraction system technology for natural gas wells. Background technique [0002] At present, natural gas wells are collected and boosted to increase production by passing natural gas through a booster compressor to reduce the wellhead back pressure, and then boosting the natural gas and transporting it to the pipeline network to achieve the purpose of increasing production. [0003] After a certain stage of natural gas well collection, the production will attenuate, and the gas production pressure will also decrease accordingly. Gas wells will gradually accumulate liquid, further suppressing the output of natural gas; at the same time, due to the drop in gas production pressure of natural gas wells, natural gas cannot be smoothly transported to the gas transmission pipeline network, causing the pressure in natural gas wells to rise. The solubility in the liqui...

Claims

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Application Information

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IPC IPC(8): E21B43/16
Inventor 梁超刘迎春
Owner 汉纬尔机械(上海)有限公司
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