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Experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb

A carbon dioxide and gas desorption technology, applied in analytical materials, instruments, etc., can solve the problems of inability to effectively improve the efficiency of carbon dioxide desorption, high production, operation and maintenance costs, inability to solve the corrosion of pipelines and equipment, etc. It is easy to achieve initial conditions and termination conditions. The effect of control, simple structure and convenient operation

Inactive Publication Date: 2015-06-10
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

Therefore, it is impossible to effectively improve the desorption efficiency of a large amount of carbon dioxide in the production fluid of carbon dioxide flooding, and it is impossible to solve the problems of pipeline and equipment corrosion, high production operation and maintenance costs

Method used

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  • Experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb
  • Experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb
  • Experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb

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Embodiment Construction

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0027] Such as figure 1 As shown, the ultrasonic wave-promoted carbon dioxide flooding production liquid gas desorption experimental device 1000 of the present invention includes a high-pressure gas tank 1, the interior of the high-pressure gas tank 1 is carbon dioxide gas, and the high-pressure gas tank 1 is connected with a visible dissolution-absorption reactor 2, which can A data acquisition and recording device 3 is connected to the visual dissolution and absorption reaction kettle 2 , and an ultrasonic generating system 4 is connected to the bottom of the visual dissolution and absorption reaction kettle 2 . In the present embodiment, ultrasonic generating system 4 comprises ultrasonic generator 41, and ultrasonic generator...

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Abstract

The invention discloses an experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb. The device comprises a high pressure gas tank which is connected with a visual solution absorbing reaction kettle connected with data acquisition recording equipment, and the bottom of the visual solution absorbing reaction kettle is connected with an ultrasonic generating system. According to the device, the de-compressive desorbing process of the CO2 drive produced liquid in a separator can be simulated in the presence of ultrasonic waves, an initial condition and a terminating condition of the experiment are likely to be controlled, the repeatability of experiment is good, the data measurement record is accurate, the combination of ultrasonic frequencies and power can be diversified, and the desorbing phenomenon is visual, therefore the dissolving characteristics, desorbing characteristics and the ultrasonic reinforced desorbing function of the CO2 in the drive produced liquid can be beneficially and deeply studied.

Description

technical field [0001] The invention relates to the technical field of gas desorption of oilfield surface technology, in particular to an ultrasonic wave-promoted gas desorption experimental device for carbon dioxide flooding production fluid. Background technique [0002] At present, carbon dioxide flooding oil recovery technology is one of the most potential methods for enhancing oil recovery. With the continuous promotion and application of carbon dioxide flooding oil recovery technology, whether gas and liquid can be separated efficiently and quickly in the produced liquid of carbon dioxide flooding has become a constraint to this field. One of the bottlenecks in the large-scale application of the technology, because the produced fluid that cannot be separated effectively in time contains a large amount of carbon dioxide and water, which will cause the corrosion of the production fluid gathering and transportation pipeline and equipment to intensify, and bring many diffic...

Claims

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Application Information

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IPC IPC(8): G01N7/14
Inventor 邢晓凯酆春博左丽丽宁雯宇杨正然王少松
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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