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Mobile compressor gas lift

A compressor and mobile technology, which is applied in the fields of production fluid, wellbore/well components, earthwork drilling and production, etc., which can solve problems such as inconvenience, high energy consumption of nitrogen gas, and limited continuous lifting time

Inactive Publication Date: 2014-07-09
BEIJING ENRUIDA TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, this process has the following disadvantages: the continuous lifting time is limited, it is suitable for gas wells where bottomhole fluid can be removed by lifting for only a few hours, and the cost is high, and a dedicated nitrogen gas source
[0008] However, this process has the following disadvantages: it cannot work for a long time and the gas source is inconvenient, but the production of nitrogen by on-site filtration requires high energy consumption, limited gas volume, and high production costs

Method used

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  • Mobile compressor gas lift

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Embodiment Construction

[0016] The specific implementation of the present invention will be further described below in conjunction with the examples, and the advantages and characteristics of the present invention will become clearer along with the description. However, these embodiments are only exemplary and do not constitute any limitation to the scope of the present invention.

[0017] figure 1 It is a schematic diagram of a portable compressor gas lift liquid discharge device (may be referred to as a portable compressor gas lift) according to an embodiment of the present invention. It should be noted, figure 1 It is only a schematic diagram used to illustrate the principle of the present invention, and is not meant to limit the present invention, and each element therein does not necessarily correspond to each part in the embodiment of the present invention. Those skilled in the art can understand that, figure 1 Some parts of the portable compressor gas-lift liquid drainage equipment accordin...

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Abstract

The invention relates to a mobile compressor gas lift. The mobile compressor gas lift is characterized by comprising a compressor gas lift vehicle loaded with a compressor (1), a wellhead external-delivery pipeline, a four-way control valve, a gas intake pipeline equipped with a pressure stabilizer, a two-phase separator, a sewage tank, a flow meter, an intercepting valve and wellhead equipment. The wellhead external-delivery pipeline is connected with a gas gathering station, natural gas from the gas gathering station enters the mobile compressor gas lift through the wellhead external-delivery pipeline and then enters the gas intake pipeline equipped with the pressure stabilizer via control of the four-way control valve, and the gas intake pipeline equipped with the pressure stabilizer is connected with the compressor (1). The mobile compressor gas lift is high in conformability, large in displacement range, convenient in gas source and free of limits of a well structure; since the gas source needs not to be produced additionally during construction, dissipated energy is saved by one half nearly as compared with that of a nitrogen gas lift.

Description

technical field [0001] The invention belongs to the technical field of gas production in oil and gas fields, and relates to a movable compressor gas lift liquid discharge equipment. Background technique [0002] The existing oil and gas field drainage and gas recovery processes mainly include the following two types. [0003] 1. Liquid nitrogen drainage and gas recovery process [0004] This process is to inject liquid nitrogen into the annular space of oil well casing. The gasified high-pressure nitrogen enters the oil pipe from the screen to lift the liquid, and the liquid nitrogen truck is used to discharge the liquid. The pumping pressure is high, the injection volume is large, and the liquid discharge effect is high. Well, great mobility. [0005] However, this process has the following disadvantages: the continuous lifting time is limited, it is suitable for gas wells where bottomhole fluid can be removed by lifting for only a few hours, and the cost is high, and a s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00
Inventor 张晓瑞
Owner BEIJING ENRUIDA TECH
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