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Plunger air lifting water draining device

A technology of gas lift drainage and plunger, which is applied in the direction of mining fluid, wellbore/well components, earthwork drilling and production, etc. It can solve the problems of low drainage efficiency and slow drainage process, and achieve the effect of rapid drainage and improved efficiency

Inactive Publication Date: 2017-05-31
陕西航天德林科技集团有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the drainage efficiency of the medicament drainage method is low, and the drainage process is slow

Method used

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  • Plunger air lifting water draining device

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Embodiment Construction

[0025] The purpose of the present invention is to provide a plunger gas lift drainage device, the structural design of the plunger gas lift drainage device can quickly drain the water in the gas well.

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] see figure 1 , The plunger gas lift drainage device provided by the embodiment of the present invention includes oil pipe, casing, plunger 7, valve 4 and blocking member. Wherein, the casing is set on the outside of the oil pipe, there is natural gas in...

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Abstract

The invention discloses a plunger air lifting water draining device. The plunger air lifting water draining device comprises an oil pipe, a sleeve pipe arranged outside the oil pipe in a sleeving mode, a plunger arranged in the oil pipe, a valve arranged on the oil pipe and a blocking piece fixed into the oil pipe and located on the lower side of the plunger. A gap is arranged between the oil pipe and the sleeve pipe, the side wall of the plunger can be attached to the inner wall of the oil pipe all the time, a water passing groove is formed in the side wall of the plunger, water on the lower side of the plunger can flow to the upper side of the plunger through the water passing groove, the valve is located on the upper side of the plunger, and the plunger can fall down to abut against the blocking piece. According to the structural design of the plunger air lifting water draining device, the water in an air well can be quickly discharged.

Description

technical field [0001] The invention relates to the technical field of gas extraction and drainage devices, and more specifically, relates to a plunger gas lift drainage device. Background technique [0002] In gas wells producing natural gas, the pressure in the gas wells decreases in the late stage of gas production, and groundwater will infiltrate into the gas wells, and the number of gas wells with liquid accumulation is increasing year by year. Therefore, in order to ensure the production capacity of natural gas, the water in the gas well must be discharged in time. In the prior art, chemical drainage is generally used, that is, the chemical is put into the gas well, and the chemical forms foam when it meets water in the gas well, and then the foam is discharged to realize drainage. However, the way of medicament drainage has low drainage efficiency and the drainage process is slow. [0003] To sum up, how to quickly discharge the water in the gas well is an urgent pro...

Claims

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Application Information

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IPC IPC(8): E21B43/00E21B43/12
CPCE21B43/006E21B43/122
Inventor 林忠灿林宗南陈云峰林晓威王育锋齐园园林曼真
Owner 陕西航天德林科技集团有限公司
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