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A simulation experiment system for geological storage of carbon dioxide in deep formation environment
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A technology of carbon dioxide and simulation experiments, applied in teaching models, instruments, educational tools, etc.
Inactive Publication Date: 2016-05-25
JILIN UNIV
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[0006] The purpose of the present invention is to provide a carbon dioxide geological storage simulation experiment system in a deep formation environment, aiming to solve the problem that the existing carbon dioxide geological storage technology research device cannot objectively characterize the temperature, pressure, flow and stress coupling problem under the in-situ environmental conditions where the experimental rock core is located. Through the research and development device of the present invention, the objective simulation and characterization of the real underground in-situ environmental conditions are realized, so that the obtained petrophysical parameters and fluid migration characteristic data are more scientific and reasonable
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[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0034] Such as Figures 1 to 5 As shown, among them, figure 1 It is a structural schematic diagram of an embodiment of the carbon dioxide geological storage simulation experiment system in the deep formation environment of the present invention; figure 2 yes figure 1 Schematic diagram of the A-A section structure of the medium-temperature-pressure-flow-stress-coupled core device; image 3 yes figure 1 Schematic diagram of the gas-liquid injection device in the middle; Figure 4 yes figure 1 Schematic diagram of the gas-liquid discharge device in the middle; Figure 5 yes figure 1 Schematic...
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Abstract
The invention provides a deep stratum environment carbon dioxide geological sequestration simulation experiment system. The deep stratum environment carbon dioxide geological sequestration simulation experiment system comprises a constant temperature box, a sound wave receiver, a temperature, pressure and flow stress coupling core device, a gas-liquid injection device, a gas-liquid discharge device and a confining pressure gas-liquid injection device, wherein the temperature, pressure and flow stress coupling core device is arranged in the constant temperature box. The temperature, pressure and flow stress coupling core device comprises a cylindrical core holding unit, a seal rubber sleeve, an upper stress transfer connector, a lower stress transfer connector, an upper pressure machine force transfer column, a lower pressure machine force transfer column, an upper sound wave transmitting and receiving probe and a lower sound wave transmitting and receiving probe, wherein the two ends of the core holding unit are provided with openings, the seal rubber sleeve is used for wrapping an experimental core in a sealed mode, the upper stress transfer connector, the lower stress transfer connector, the upper pressure machine force transfer column, the lower pressure machine force transfer column, the upper sound wave transmitting and receiving probe and the lower sound wave transmitting and receiving probe are matched with the openings at the two ends of the core holding unit, and the cylindrical body of the core holding unit is provided with a confining pressure gas-liquid injection port. By means of the deep stratum environment carbon dioxide geological sequestration simulation experiment system, a flow experiment of a stratum core sample in an in-situ environment of a deep stratum, a movement mode of carbon dioxide in deep underground rock holes is stimulated really, and accurate experimental data parameters can be obtained in real time.
Description
technical field [0001] The invention belongs to the field of carbon dioxide geological storage technology research devices, in particular to a carbon dioxide geological storage simulation experiment system in a deep formation environment. Background technique [0002] Environment and energy are the two major themes concerned by the sustainable development of human society, and they are also the two major factors affecting the development of my country's national economy. In recent years, the issue of climate change has been listed as the world's primary environmental issue, and has increasingly become the focus of attention of the international community. From December 7th to December 19th, 2009, 192 countries around the world held the United Nations Climate Conference in Copenhagen to discuss countermeasures and measures to deal with climate change. The Chinese government attaches great importance to the issue of climate change, and promises that by 2020, my country's carb...
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