Recovery device of well casing exhaust gas

A recovery device and oil well casing technology, which is applied in the direction of wellbore/well valve device, wellbore/well components, production fluid, etc., can solve the problems of energy waste, environmental pollution caused by exhausted casing gas, and avoid pollution , Simple structure, easy to carry

Inactive Publication Date: 2012-05-30
DALIAN CHUANGDA TECH TRADE MARKET
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide an external oil well casing gas recovery device to s

Method used

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  • Recovery device of well casing exhaust gas
  • Recovery device of well casing exhaust gas

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[0012] In order to further disclose the technical solution of the present invention, the following is a detailed description with embodiments in conjunction with the accompanying drawings of the specification:

[0013] The present invention consists of a skid, a clamp 2, a control valve 3, a filter 4, a gas collection 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 gas collection 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 a control valve 3 and a clamp or flange, and the outlet of the gas collecting bladder 5 is connected to the inlet of the natural gas compressor 7 through a connecting pipeline. The outlet is connected with the gas flow meter 8, the outlet of the gas flow meter 8 is connected with the quick connector 9, and the pipeline connecting the gas collection bladder a...

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Abstract

The invention relates to a recovery device of a well casing exhaust gas. The recovery device comprises a prying block, a hoop, a filter, a gas collecting bag, a safety valve, a natural gas compressor, a gas flow meter and a quick connector, and is characterized in that: an inlet of the gas collecting bag is connected with an outlet of the filter through a high-pressure hose, and an inlet of the filter is connected with an outlet of a casing through a control valve and the hoop or a flange; an outlet of the gas collecting bag is connected with an inlet of the natural gas compressor through a connecting pipeline, and an outlet of the natural gas compressor is connected with the gas flow meter; and an outlet of the gas flow outlet is connected with the quick connector, and the safety valve is arranged on the connecting pipeline of the gas collecting bag and the natural gas compressor. The recovery device has the advantages of simple structure, convenience in carrying, and strong mobility, can flexibly recover the casing gas of each well, avoids the pollution of the casing gas on the environment, and avoids the waste of energy by recovering natural gas.

Description

technical field [0001] The invention relates to an oil well waste gas recovery device, in particular to an external oil well casing gas recovery device. Background technique [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. Therefore, recycling ...

Claims

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Application Information

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IPC IPC(8): E21B43/34E21B34/02
Inventor 海勇
Owner DALIAN CHUANGDA TECH TRADE MARKET
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