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CT scanning device and method for sediment pore structure in hydrate generation and decomposition processes

A hydrate generation and pore structure technology, which is applied in measurement devices, analysis materials, and material analysis using wave/particle radiation, etc., can solve problems such as complex structure and uneven hydrate generation, and achieve simple instrument procedures and material saving. , easy-to-control effects

Inactive Publication Date: 2020-06-26
OCEAN UNIV OF CHINA
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Problems solved by technology

[0004] At present, the existing hydrate microscopic CT test devices are complex in structure, and most of them study the physical properties of sediments in a certain process of hydrate formation or decomposition, and the current devices all have air intake at one end, which may easily lead to uneven formation of hydrates

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  • CT scanning device and method for sediment pore structure in hydrate generation and decomposition processes
  • CT scanning device and method for sediment pore structure in hydrate generation and decomposition processes

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Embodiment Construction

[0028] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0029] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0030] Combine below Figure 1 to Figure 2 The CT scanning device and method for sediment pore structure in the process of hydrate formation and decomposition in the embodiment of the present invention will ...

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Abstract

The invention provides a CT scanning device and method for a sediment pore structure in hydrate generation and decomposition processes, and the CT scanning device comprises a steel cylinder, a barometer, a three-way connecting valve, a gas communicating pipe, a sediment bin, a sediment filling groove, a spring and a breathable gasket. According to the technical scheme, the difference between the density of the xenon hydrate and the density of water is large, and therefore CT image segmentation is easy. And the three-way connecting valve and the gas communicating pipe are combined for use, so xenon can enter the sediment loading tank from top to bottom, and hydrate reacts uniformly in the generation process. The combination of the spring and the sediment loading groove can control the movement of the sediment loading groove caused by self-weight change in the hydrate generation process, and alleviate the impact and vibration of the sediment loading groove. The breathable gaskets are distributed on the upper portion and the lower portion of the sediment loading groove, ventilation can be achieved, sediment falling and overflowing cannot be caused, and the requirement for uniformity of xenon in the hydrate generation process is met.

Description

technical field [0001] The invention relates to the technical field of hydrate microscopic testing, in particular to a CT scanning device and method for sediment pore structure during hydrate formation and decomposition. Background technique [0002] It is estimated that the total amount of natural gas hydrate resources is twice that of all proven coal, oil, and natural gas resources, and it is a very promising potential energy source in the 21st century and beyond. The natural gas hydrate reserves in the South my country Sea are abundant. Accelerating the exploration and development of natural gas hydrates is of great importance to alleviating my country's energy shortage, improving the current situation of serious environmental pollution, meeting the needs of sustainable economic development in my country, and establishing a new energy base in the 21st century. significance. [0003] The microscopic pore structure of gas hydrate reservoirs is complex, and its structure has...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/046
CPCG01N23/046
Inventor 胡聪阮文凤贾永刚
Owner OCEAN UNIV OF CHINA
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