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Oil gas recovery system and method

An oil and gas recovery system, oil and gas technology, applied in separation methods, chemical instruments and methods, and dispersed particle separation, etc., can solve problems such as high recovery costs, difficult operation, complex structure, etc., achieve good oil blocking effect, low separation cost, The effect of simple system structure

Inactive Publication Date: 2017-10-24
ANHUI SUPER CHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of complex structure, high recovery cost and difficult operation existing in the prior art, the present invention provides an oil and gas recovery system and recovery method

Method used

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  • Oil gas recovery system and method
  • Oil gas recovery system and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as Figure 1-7 As shown, an oil and gas recovery system includes a vacuum pump 1, a recovery tank 2 and a filter tank 3. The vacuum pump 1 is respectively connected to the recovery tank outlet 204 of the recovery tank 2 and the air inlet 304 of the filter tank 3, and the recovery tank inlet of the recovery tank 2 is 203 is connected to the external production line pipeline and gas storage tank pipeline through the return device 4, and the gas outlet 305 of the filter tank 3 is connected to the exhaust gas outlet.

[0041]The recovery tank 2 is provided with a liquid level gauge 201, and the liquid level gauge 201 is arranged vertically. Through the liquid level gauge 201, it is convenient to see the amount of recovered oil in the recovery tank, which is convenient for recovery operation. The top of the recovery tank 2 is the recovery tank inlet 203, and the oil gas enters the air supply pipeline through the recovery tank inlet 203 to send the waste gas into the rec...

Embodiment 2

[0046] Embodiment 2 is basically the same as Embodiment 1, except that the recovery tank 2 is provided with a pressure gauge interface 209 and a thermometer interface 210, which are respectively connected to the pressure gauge and the thermometer. You can also choose one of them to connect, which is convenient for monitoring the pressure and temperature in the recovery tank.

Embodiment 3

[0048] A recovery method for an oil and gas recovery system, the steps are as follows:

[0049] A. Turn on the vacuum pump 1, the vacuum pump 1 generates negative pressure, and open the valve of the recovery tank 2 line;

[0050] B. The waste gas and tail gas of the production line pipeline and the gas storage tank pipeline enter the choke 4 through the valve and then enter the recovery tank 2. The recovery tank 2 absorbs and recovers the oil and gas, and the recovered gas enters the vacuum pump 1;

[0051] C. Due to negative pressure, open the valve of the filter tank 3 line, the gas of the vacuum pump 1 in step B enters the filter tank 3 through the pipeline, and detects through the sampling port. After reaching the discharge standard, open the gas outlet 305 valve and pass through the high-altitude The exhaust pipe goes into the atmosphere.

[0052] The above method effectively recovers oil and gas, and prevents the backflow of oil and gas, which is convenient and quick, a...

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Abstract

The invention discloses an oil gas recovery system and method, and belongs to the field of oil gas production. The oil gas recovery system and method aim to solve the problems that in the prior art, the structure is complex, the recovery cost is high and operation is difficult. The system comprises a vacuum pump, a recovery tank and a filtering tank, wherein the vacuum pump is connected with a recovery tank outlet of the recovery tank and a gas inlet of the filtering tank separately, a recovery tank inlet of the recovery tank is connected with an external production line pipeline and a gas storage tank pipeline through a backflow prevention device, a gas outlet of the filtering tank is connected with a waste gas outlet, and the top of the recovery tank is provided with the recovery tank inlet; oil gas enters a gas supply pipeline through the recovery tank inlet, waste gas is conveyed to the bottom of the recovery tank first, the gas supply pipeline is vertically arranged in the center of the recovery tank, an oil-gas separator and a secondary oil-blocking cap are arranged on a supporting rod, the secondary oil-blocking cap is arranged above the oil-gas separator, and the two layers of oil blocking facilities can achieve multiple oil blocking; the system is simple in structure, low in separation cost, easy to operate and good in oil-blocking effect.

Description

technical field [0001] The invention relates to the field of oil and gas production, more specifically, to an oil and gas recovery system and recovery method. Background technique [0002] In the existing oil transportation, the oil in the pipeline contains gas. Due to the existence of gas, the quality of the oil is unstable and there are many impurities. During the transportation process, due to the role of valves, there will also be residual air in the pipeline. Therefore, the air needs to be separated and recovered. [0003] The oil-gas separator is the main component for oil-gas separation, mainly in the compressor system, the compressed air from the compressor head entrains large and small oil droplets. Large oil droplets are easy to separate when passing through the oil-gas separation tank, while small oil droplets (suspended oil particles with a diameter of less than 1um) must be filtered through the micron and glass fiber filter layer of the oil-gas separation filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
CPCB01D50/20
Inventor 周应斌邢小平
Owner ANHUI SUPER CHEM TECH CO LTD
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