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Oil-well waste gas recovery device

A waste gas recovery and oil well technology, which is applied in the direction of wellbore/well components, production fluid, earthwork drilling and production, etc., can solve the problems of outer casing gas pollution, environmental energy, waste, etc., and achieve simple structure, avoid waste, and mobility strong effect

Inactive Publication Date: 2009-09-09
胜利油田华胜环保产业有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a waste gas recovery device for oil wells, which solves the problem of energy waste caused by the pollution of the environment by the outer casing gas in the prior art

Method used

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  • Oil-well waste gas recovery device

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Embodiment Construction

[0012] In order to further disclose the technical solutions of the present invention, the following will be described in detail through examples in conjunction with the accompanying drawings:

[0013] The present invention is composed of a skid block, a clamp 2, a control valve 3, a filter 4, an air receiving bladder 5, a safety valve 6, a natural gas compressor 7, a gas flow meter 8 and a quick connector 9, and is characterized in that the air receiving bladder 5 The inlet is connected to the outlet of the filter 4 through a high-pressure hose, the inlet of the filter is connected to the outlet of the casing through the control valve 3 and a clamp or flange, and the outlet of the air bag 5 is connected to the inlet of the natural gas compressor 7 through a connecting pipeline. The outlet is connected to the gas flowmeter 8, the outlet of the gas flowmeter 8 is connected to the quick connector 9, and a safety valve is provided on the pipeline connecting the air bag and the natu...

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Abstract

The invention relates to an oil-well waste gas recovery device which comprises a prizing block, a hoop, a filter, a gas collecting bladder, a safety valve, a natural gas compressor, a gas flow meter and a quick joint. The oil-well waste gas recovery device is characterized in that an inlet of the gas collecting bladder is connected with an outlet of the filter by a high-pressure hose, an inlet of the filter is connected with an outlet of a sleeve pipe by a control valve and the hoop or a flange, an outlet of the gas collecting bladder is connected with an inlet of the natural gas compressor by a connecting pipeline, an outlet of the natural gas compressor is connected with the gas flow meter, an outlet of the gas flow meter is connected with the quick joint, and the safety valve is arranged on the pipeline which is used for connecting the gas collecting bladder and the natural gas compressor. The oil-well waste gas recovery device has simple structure and strong flexibility, is portable, can flexibly recover sleeve pipe gas of various oil wells, avoids the pollution of the environment by the sleeve pipe gas and the energy wastage and recovers natural gas.

Description

1. Technical field [0001] The invention relates to an oil well casing gas recovery device for external discharge, in particular to an oil well waste gas recovery device. 2. Background technology [0002] With the continuous exploitation of the oil field, the pressure of the oil layer gradually decreases, and the underground oil layer loses its self-spraying ability. Generally, different forms of oil pumps are used to extract crude oil. In order to reduce the pressure in the oil well, increase the liquid level in the oil well, and increase the submergence of the pump Open the oil well casing gate to release the natural gas in the oil well casing into the atmosphere. According to incomplete statistics, hundreds of millions of cubic meters of natural gas volatilize into the atmosphere every year in oil wells in the country, causing direct economic losses of several hundred million. This part of the gas seriously pollutes the environment and causes a lot of waste of resources. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00
Inventor 刘冰陈哲刘华峰魏清泉刘华伟
Owner 胜利油田华胜环保产业有限责任公司
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