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Device and method for monitoring thermal effect of crude oil sample reacting in porous medium

A technology of porous media and monitoring device, applied in the direction of thermal development of materials, can solve problems such as unfavorable catalyst evaluation, influence on oxidation/combustion reaction and catalyst catalytic activity, etc., to achieve the effect of increasing difficulty

Inactive Publication Date: 2020-05-22
喀山(伏尔加地区)联邦大学
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  • Application Information

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Problems solved by technology

In addition to the shortcomings mentioned above, the main structure of these equipment reactors is metal, and the heated metal surface itself can affect the oxidation / combustion reaction and the catalytic activity of the catalyst
This is very unfavorable for the evaluation of the catalyst

Method used

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  • Device and method for monitoring thermal effect of crude oil sample reacting in porous medium
  • Device and method for monitoring thermal effect of crude oil sample reacting in porous medium
  • Device and method for monitoring thermal effect of crude oil sample reacting in porous medium

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Experimental program
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Effect test

Embodiment

[0052] Before the experiment, crude oil and quartz sand were mixed evenly at a mass ratio of 1:4. According to the above-mentioned experimental method, the transparent quartz reactor 1 was filled and a differential thermocouple 5 was placed, the filling length of the reaction sample was 5 cm, and the temperature-rising oxidation experiment was carried out at an air flow rate of 1 L / min. After the transparent quartz reactor 1 is continuously heated to 455°C, stop heating up, keep the transparent quartz reactor at a constant temperature of 455°C, and close the control valve 1 81 and the gas flow meter 71 above the high-pressure air bottle 91 at 115 minutes, and open the high-pressure Control valve one 81 and gas flowmeter 71 above the helium gas cylinder 92, monitor the temperature of the two differential thermocouples 5 on the computer, when it is found that the temperature difference between the two differential thermocouples 5 gradually decreases, and the temperature of the re...

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Abstract

The invention discloses a porous medium reaction heat effect monitoring device and method, comprising a transparent quartz reactor, a ceramic heater, a heating controller, differential thermocouples,an analog-digital converter, a photoconductive fiber heat sensor, a computer and an injection system; an injection end cover and an outlet end cover are arranged at the left end and the right end of the transparent quartz reactor respectively, the injection system is connected with the injection end cover, the transparent quartz reactor is placed in a heating cavity of the ceramic heater, the ceramic heater is connected with the heating controller, quantity of the differential thermocouples is two, measuring terminals of the two differential thermocouples respectively pass through the injection end cover and the outlet end cover and then are placed inside the transparent quartz reactor, a cold side of each differential thermocouple is connected with the analog-digital converter, and the output terminal of the analog-digital converter is connected with the computer. The porous medium reaction heat effect monitoring device disclosed by the invention can monitor porous medium reaction heat effect under dynamic airflow condition and can be used for accurately evaluating catalytic effect of a catalyst on reaction and monitoring movement of a burning front.

Description

technical field [0001] The invention relates to a porous medium reaction heat effect monitoring device, in particular to the reaction heat monitoring of the oxidation / combustion of crude oil in the porous medium during air injection into the oil reservoir, and the research on catalytic oxidation and oxidation promotion reaction process. Background technique [0002] Reservoir air flooding (including high-pressure air injection in light oil reservoirs and heavy oil fire flooding) is an effective way to enhance oil recovery. The key to improving oil recovery by air injection is the oxidation reaction between air and crude oil. The degree of oxidation / combustion reaction and the thermal effect directly determine whether the air injection technology can achieve a good oil displacement effect. Therefore, it is very important to study the thermal effect of the oxidation / combustion reaction of crude oil in porous media. [0003] At present, the research equipment on the heat effec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/22
CPCG01N25/22
Inventor 萨迪科夫·卡米尔·加米罗维奇袁成东米哈伊尔·阿列克谢耶维奇·瓦尔福洛梅耶夫
Owner 喀山(伏尔加地区)联邦大学
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