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Testing device and simulation method of enhanced type terrestrial heat exploitation simulation

A technology of test devices and simulation methods, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., and can solve problems such as the inability to obtain test data for production parameter optimization and production efficiency improvement

Inactive Publication Date: 2017-06-20
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a test device for enhanced geothermal mining simulation to solve the problem that the current enhanced geothermal energy development simulation test cannot obtain test data that has a great effect on the optimization of production parameters and the improvement of production efficiency in actual on-site production

Method used

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  • Testing device and simulation method of enhanced type terrestrial heat exploitation simulation
  • Testing device and simulation method of enhanced type terrestrial heat exploitation simulation
  • Testing device and simulation method of enhanced type terrestrial heat exploitation simulation

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Embodiment 1

[0050] figure 1 It is a schematic diagram of the overall structure of the test device 10 for enhanced geothermal exploitation simulation provided in the embodiment of the present invention. Please refer to figure 1 In this embodiment, a test device 10 for enhanced geothermal exploitation simulation is provided, which includes a pressure chamber 100, a first pump 200, a heating device 300, a temperature controller 400, a second pump 500, an acoustic emission sensor 600, an acoustic emission And wave velocity tomography display device 700 , vacuum device 800 , preheating device 900 and permeability testing device 1000 .

[0051] At least one end surface of the pressure chamber 100 is provided with a liquid inlet channel and a liquid outlet channel (not visible in the figure), and the liquid inlet channel and the liquid outlet channel respectively pass through one end surface of the pressure chamber 100 . The pressure chamber 100 has a cylindrical structure, and the cylindrical...

Embodiment 2

[0068] A simulation method of enhanced geothermal exploitation, the simulation method is realized by using any one of the above-mentioned enhanced geothermal exploitation simulation test devices 10;

[0069] The simulation method includes the following steps:

[0070] Obtain a test piece with a liquid inlet hole 112 and a liquid outlet hole 114 that are not connected to each other;

[0071] Place the test piece in the test space; connect the liquid inlet channel with the liquid inlet hole 112, and connect the liquid outlet channel with the liquid outlet hole 114;

[0072] Remove the liquid inlet hole 112 and the liquid outlet hole 114 on the outside of the test piece and pour the potting glue 116 (please refer to Figure 4 );

[0073] Complete the installation of the acoustic emission sensor 600 on the test piece; turn on the acoustic emission sensor 600;

[0074] Start the first pump 200, and the first pump 200 applies liquid pressure to the test piece; the heating device ...

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Abstract

The invention relates to the field of design and manufacturing of new energy source development testing equipment and provides a testing device and a simulation method of enhanced type terrestrial heat exploitation simulation, aiming at solving the problem in the prior art that a complete set of equipment for simulating high-temperature and high-pressure environments does not exist. The testing device of the enhanced type terrestrial heat exploitation simulation, provided by the embodiment of the invention, is provided with a first pump and a heating device and is used for simulating underground high-temperature and high-pressure environments with different depths; the testing device is further provided with a second pump for providing high-temperature liquid for a liquid feeding hole of a test sample in a testing space and is provided with a plurality of acoustic emission sensors which are mounted in an manner of surrounding the test sample, are used for positioning an acoustic emission event and carrying out wave-velocity tomographic imaging and are used for monitoring positions of cracks and an evolution law of crack sizes. The testing device of the enhanced type terrestrial heat exploitation simulation, provided by the embodiment of the invention, can obtain testing data which has relatively great effect on optimization of production parameters and improvement of the production efficiency in actual field production.

Description

technical field [0001] The invention relates to the field of design and manufacture of new energy development test equipment, in particular to a test device and a simulation method for enhanced geothermal exploitation simulation. Background technique [0002] The human demand for energy continues to grow. On the one hand, the traditional fossil energy is increasingly exhausted. On the other hand, its extensive use has brought serious impacts on the ecological environment and brought serious problems. The only way to solve the energy problem is to find new clean energy. Hot dry rock refers to hot rock with a buried depth of more than 3km, with a temperature of 150°C to 650°C, which contains a large amount of heat energy. The enhanced geothermal system is a hot dry rock resource development project, with a huge geothermal energy content and no carbon emissions. It is the most potential new energy source as an alternative to traditional energy sources. At present, countries a...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N29/14
CPCG01N33/00G01N29/14
Inventor 陈世万刘伟张治鑫
Owner CHONGQING UNIV
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