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Gas hydrate mechanical property experiment device

A hydrate and natural gas technology, applied in the field of experimental devices, can solve the problems of not being able to obtain the quantitative relationship between natural gas hydrate saturation and mechanical properties, and not being able to measure the natural gas hydrate saturation in real time, achieving simple structure and good experimental effect. Effect

Inactive Publication Date: 2013-07-10
QINGDAO INST OF MARINE GEOLOGY
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Problems solved by technology

None of the above devices can measure the saturation of gas hydrate in real time during the experiment, so the quantitative relationship between gas hydrate saturation and mechanical properties cannot be obtained

Method used

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  • Gas hydrate mechanical property experiment device

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Embodiment Construction

[0017] This device comprises triaxial instrument 1, and triaxial instrument 1 is arranged in constant temperature device 2, is provided with reaction chamber 3 in triaxial instrument 1, and the top end of reaction chamber 3, the bottom are connected with injection system respectively; The bottom of reaction chamber 3 The end is connected to the confining pressure system.

[0018] A forming mold box 4 is arranged in the reaction chamber 3, and a sediment sample 5 is arranged in the forming mold box 4, and a compression filter device 6 is arranged at the upper and lower ends of the sediment sample 5. A time-domain reflection probe 7 is arranged in the sediment sample 5 . A thermal resistor 8 is arranged in the reaction chamber 3 . The liquid injection system includes a saturated water container 9 , the top of the saturated water container 9 is connected to the top of the reaction chamber 3 through a pipeline, and the bottom of the saturated water container 9 is connected to the...

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Abstract

The invention relates to an experimental device, in particular to a gas hydrate mechanical property experiment device. The gas hydrate mechanical property experiment device comprises a triaxial apparatus arranged inside a thermostat, wherein a reaction chamber is arranged inside the triaxial apparatus; the top end of the bottom end of the reaction chamber are respectively connected with an injection system; and the bottom end of the reaction chamber is connected with a confining pressure system. By testing and measuring gas hydrate synthesis through the systems of the device, mechanical parameters of a deposit containing gas hydrates can be obtained, and very important basic parameters can be provided for drilling and exploiting the gas hydrates.

Description

technical field [0001] The invention relates to an experimental device, in particular to an experimental device for the mechanical properties of natural gas hydrate. Background technique [0002] The mechanical parameters of hydrate-bearing sediments are very important basic parameters in the process of gas hydrate drilling and production. Due to the scarcity of actual gas hydrate-bearing sediment samples and the high cost, basic data on the mechanical properties of hydrate-bearing sediments are currently very scarce. Using actual marine sediment samples, simulate the low-temperature and high-pressure environment of the seabed in a high-pressure container, conduct a synthesis experiment of natural gas hydrate, and use effective detection methods to test the mechanical parameters of the hydrate-containing sediment and the saturation of hydrate in the sediment , the obtained results will have important guiding significance for actual drilling and development. [0003] The in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/00
Inventor 业渝光张剑程军刘昌岭刁少波胡高伟
Owner QINGDAO INST OF MARINE GEOLOGY