CT in-situ detection device for microcosmic occurrence of hydrates in deposits

A technology of micro-occurrence and in-situ detection, which is applied in the field of detection devices to achieve stable temperature and improve detection accuracy

Inactive Publication Date: 2013-12-04
QINGDAO INST OF MARINE GEOLOGY
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Problems solved by technology

The Industrial Research Institute of Japan used the industrial X-CT (SMX-225CTS-SV) produced by Shimadzu to try to study the microscopic distribution of hydrates under high pressure and low temperature conditions, but due to limited conditions, the microscopic distribution of hydrates can only be obtained indirectly according to the algorithm features, still in hypothetical mode

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  • CT in-situ detection device for microcosmic occurrence of hydrates in deposits

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Embodiment Construction

[0013] Such as figure 1 As shown, the CT in-situ detection device for the microscopic occurrence state of hydrates in sediments of the present invention includes a pressure control system, a semiconductor temperature control system, an autoclave, and an X-CT scanning system. The pressure control system is connected to the autoclave, and the semiconductor control system The temperature system is set at the bottom of the autoclave, and the X-CT scanning system is set on both sides of the autoclave.

[0014] The pressure control system includes a gas cylinder 1, a valve 2, a booster device 3, and a pipeline 16. The gas cylinder 1 is connected to the autoclave through the valve 2, the booster device 3, and the pipeline 16 in sequence. A pressure sensor 4 is provided on the pipeline 16 , and the pressure sensor 4 is connected to the data collector 15 . The semiconductor temperature control system includes a temperature sensor 11, a semiconductor refrigeration block 13, and a tempe...

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Abstract

The invention relates to a detection device and especially relates to an in-situ detection device for occurrence of hydrates in deposits. The CT in-situ detection device for microcosmic occurrence of hydrates in deposits comprises a pressure control system, a semiconductor temperature control system, an autoclave and an X-CT scanning system. The pressure control system is communicated with the autoclave. The semiconductor temperature control system is arranged at the bottom of the autoclave. The X-CT scanning system is arranged at two sides of the autoclave. The device achieves real-time detection of distribution of deposit particles, water, hydrates and free gas during hydrate formation/decomposition process.

Description

technical field [0001] The invention relates to a detection device, in particular to an in-situ detection device for the occurrence state of hydrate in sediments. Background technique [0002] Gas hydrates are produced in various forms such as layers and blocks in seabed sediments. From a microscopic point of view, it is a relatively complicated process for hydrates to replace pore water to form hydrate sedimentary layers. In sedimentary pores, hydrates may be suspended in fluids, or may contact or cement sediment particles. The physical parameters such as the pore structure and permeability of the sedimentary medium have an important influence, and also change the propagation of seismic waves and heat, which has a key influence on the geophysical exploration and resource evaluation and inversion methods of hydrates. Most of the existing microscopic distribution characteristics of hydrates are hypothetical theoretical models, which are mainly inverted from acoustic detectio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04
Inventor 刘昌岭胡高伟程军业渝光张剑
Owner QINGDAO INST OF MARINE GEOLOGY
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