Separating, acquiring and metering method and apparatus for fluid produced in thermal recovery physical simulation experiment on heavy oil

A technology for thermal recovery and fluid separation of heavy oil, applied in material inspection products and other directions, can solve the problems affecting the accuracy of physical simulation experimental data and high temperature of produced fluid

Active Publication Date: 2014-05-28
CNOOC ENERGY TECH & SERVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Physical simulation experiment is one of the key technologies for studying heavy oil thermal recovery methods and formulating thermal recovery plans. At present, in physical simulation experiments of heavy oil thermal recovery, the output fluid temperature is high and emulsification is serious. At present, there is no reasonable method and device for recovery. oil, gas, and water separation and metering for pressure control and high-temperature fluid production, seriously affecting the accuracy of physical simulation experiment data

Method used

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  • Separating, acquiring and metering method and apparatus for fluid produced in thermal recovery physical simulation experiment on heavy oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] When high temperature steam (300°C) and N 2 During compound throughput experiment research, the high-temperature fluid is cooled by the cooling coil 1 controlled by the low-temperature circulating water bath 13, and enters the back pressure valve 2 in the constant temperature water bath 11. The back pressure is controlled by the manual pump 7, and the fluid is passed into the triangle with rubber plug At the bottom of the bottle 5, the gas in the triangular flask 5 enters the wet gas flow meter 6 through the separation pipeline to measure the amount of gas produced, and the balance 12 weighs the quality of the liquid in the triangular flask, and cyclohexane is added to the triangular flask with a rubber stopper in a certain proportion. After dissolving and extracting the crude oil in the oil-water mixture in the bottle 5, separate the water through the separating funnel, and measure the amount of water, and finally put the liquid after separating the water into the round...

Embodiment 2

[0031] When high temperature steam (300°C) and CO 2 and N 2 During compound throughput experiment research, the high-temperature fluid is cooled by the cooling coil 1 controlled by the low-temperature circulating water bath 13, and enters the back pressure valve 2 in the constant temperature water bath 11. The back pressure is controlled by the manual pump 7, and the fluid is passed into the triangle with rubber plug At the bottom of the bottle 5, the gas in the triangular flask 5 enters the wet gas flow meter 6 through the separation pipeline to measure the amount of gas produced, and the balance 12 weighs the quality of the liquid in the triangular flask, and cyclohexane is added to the triangular flask with a rubber stopper in a certain proportion. After dissolving and extracting the crude oil in the oil-water mixture in the bottle 5, separate the water through the separating funnel, and measure the amount of water, and finally put the liquid after separating the water into...

Embodiment 3

[0034] When high temperature steam (300°C) and N 2 +CO 2 + During the experimental study of surfactant compound throughput, the high-temperature fluid is cooled by the cooling coil 1 controlled by the low-temperature circulating water bath 13, and then enters the back pressure valve 2 in the constant temperature water bath 11, and the back pressure is controlled by the manual pump 7, and the fluid is passed into the The bottom of the triangle flask 5 with a rubber stopper, the gas in the triangle flask 5 enters the wet gas flow meter 6 through the separation pipeline to measure the amount of gas produced, the balance 12 weighs the quality of the liquid in the triangle flask, and cyclohexane is added in a certain proportion After dissolving and extracting the crude oil in the oil-water mixture in the triangle flask 5 with a rubber stopper, the water is separated through a separatory funnel, and the amount of water is measured, and finally the liquid separated from the water is ...

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Abstract

The invention discloses a separating, acquiring and metering method for a fluid produced in a thermal recovery physical simulation experiment on heavy oil. The method comprises the following steps: (1) cooling a high temperature fluid in a high temperature fluid pipeline; (2) connecting the outlet end of the high temperature fluid pipeline passing through a cooling device to a back-pressure valve and controlling back pressure through a pump; (3) allowing a fluid flowing out from the fluid outlet of the back pressure value to pass through the fluid pipeline to the bottom of a separating bottle, allowing gas in the fluid having entered into the separating bottle to enter into a wet gas flow meter through a separating pipeline which is inserted into the upper part of the separating bottle and metering the volume of produced gas; and (4) weighing the mass of residual oil-water mixed liquor in the separating bottle, adding cyclohexane into the separating bottle to dissolve and extract crude oil, separating water by using a separating funnel, putting mixed liquor of crude oil and cyclohexane into a flask and carrying out distillation by using a distillation apparatus so as to evaporate cyclohexane, wherein crude oil is left. With the method and apparatus provided by the invention, the volumes of gas, liquid and oil-water can be respectively metered.

Description

technical field [0001] The invention relates to a fluid separation, collection and metering device and method, in particular to a fluid separation, collection and metering device and method for the output of a heavy oil thermal recovery phantom experiment. Background technique [0002] Physical simulation experiment is one of the key technologies for studying heavy oil thermal recovery methods and formulating thermal recovery plans. At present, in physical simulation experiments of heavy oil thermal recovery, the output fluid temperature is high and emulsification is serious. At present, there is no reasonable method and device for recovery. Oil, gas, and water separation and metering for pressure control and high-temperature fluid production have seriously affected the accuracy of physical simulation experiment data. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a heavy oil thermal reco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/28
Inventor 王成胜孙艳萍林辉翁大丽张军辉易飞高孝田任树亮孙君吴婷陈力彭华
Owner CNOOC ENERGY TECH & SERVICES
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