Testing system and method for thermophysical properties of rock at high pressure

A technology of rock thermophysical properties and test system, applied in the direction of material thermal development, etc., can solve the problems of test result influence and complex test system.

Inactive Publication Date: 2016-07-20
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

Therefore, the heating source and temperature sensor must be placed inside the rock at the same time, making the test system relatively complicated
Moreover, the thermophysical parameter test has particularly high requirements on the constant temperature of the ambient temperature. In the process of thermo

Method used

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  • Testing system and method for thermophysical properties of rock at high pressure
  • Testing system and method for thermophysical properties of rock at high pressure
  • Testing system and method for thermophysical properties of rock at high pressure

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Embodiment

[0061] Please refer to figure 1 As shown, a rock thermophysical property testing system under high pressure conditions includes two pressure tanks (respectively the first pressure tank 1 and the second pressure tank 2), a high pressure pump 3, a temperature monitoring module 8 and a confining pressure Monitoring module 9, wherein a first cavity 11 is formed in the first pressure-resistant tank 1 (filled with a pressure transmission medium, such as silicone oil, vegetable oil, deionized water, etc.), and a second cavity 21 is formed in the second pressure-resistant tank 2 (full of pressure transmission medium), the high-pressure pump 3 that delivers the pressure transmission medium to the first pressure tank 1 is connected to the first cavity 11 through the first communication pipeline 5, on which the first communication pipeline 5 is installed Drain valve 51 and first pressure sensor 52; A rock sample assembly is installed in described second cavity 21 (cylindrical rock sample...

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Abstract

The invention discloses a testing system for the thermophysical properties of rock at high pressure.The testing system comprises two pressure-resisting tanks, a high-pressure pump, a temperature monitoring module and a confining pressure monitoring module.The high-pressure pump is connected with a first cavity through a first communicating pipeline, wherein a first bleeder valve and a first pressure sensor are installed on the first communicating pipeline.A rock sample is installed in a second cavity, and temperature sensors are installed in the center and on the outer surface of the rock sample and in the second cavity respectively.The first cavity and the second cavity are communicated through a second communicating pipeline, wherein a second bleeder valve and a second pressure sensor are installed on the second communicating pipeline.The invention further discloses a testing method for the thermophysical properties of rock at high pressure.According to the testing system and method for the thermophysical properties of rock at high pressure, no electric heating heat source is needed, instant loading of the rock sample is achieved by rapidly switching on the bleeder valves, and the thermophysical properties of the rock sample at high pressure can be obtained through an established finite element numerical inversion model in combination with a global optimization method.

Description

technical field [0001] The invention relates to a rock thermophysical property testing system under high pressure conditions, and belongs to the technical field of rock thermophysical property testing. Background technique [0002] The thermophysical properties of the earth's interior rocks are the most basic physical parameters in the study of the earth's interior thermal structure, thermal evolution and geodynamics. Under different temperature and pressure conditions, the thermophysical properties of rocks are different. Therefore, it is of great significance to carry out in-depth testing and research on rock thermophysical properties under different confining pressure conditions. [0003] At present, the existing methods and systems for testing thermal physical properties of rocks under high pressure conditions are to assemble thermal physical property testing probes (including heating sources and temperature sensors) and rock samples in advance, and place them together ...

Claims

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Application Information

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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 杨小秋林为人多田井修徐子英施小斌
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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