Simulation device and experimental method for comparison of in-situ thermal recovery methods for organic-rich rocks

A technology rich in organic matter and simulation experiments, applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc., can solve the problem of shale gas production without systematic research and comparison, and achieve novel structure and improved The effect of experimental efficiency and error reduction

Active Publication Date: 2022-04-26
CHINA UNIV OF GEOSCIENCES (BEIJING)
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Problems solved by technology

However, the effects of different heating forms and different temperatures on shale gas production have not been systematically studied and compared.

Method used

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  • Simulation device and experimental method for comparison of in-situ thermal recovery methods for organic-rich rocks
  • Simulation device and experimental method for comparison of in-situ thermal recovery methods for organic-rich rocks
  • Simulation device and experimental method for comparison of in-situ thermal recovery methods for organic-rich rocks

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Embodiment Construction

[0049] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0050] Such as Figure 1-Figure 9 As shown, the comparative simulation device for in-situ thermal recovery of organic-rich rocks includes an experimental tower and a computer. The experimental tower is a cylindrical structure as a whole. It is integrally formed and fixedly connected with the lower end of the tower body 2, and the upper end of the tower body 2 is detachably fixedly connected with the lower end of the tower top 3. The tower base 1 is provided with a hydraulic power device and a heating device, and the tower body 2 is provided with a pressurizing device, The gas collecting device, the monitoring device and the cooling device, the hydraulic power device are connected with the pressurizing device, and the computer is respectively connected with the hydraulic power device, the heating device, the monitoring device and the cooling device for si...

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Abstract

The comparative simulation device and experimental method of in-situ thermal mining methods for organic-rich rocks include an experimental tower and a computer. The experimental tower is a cylindrical structure as a whole. The experimental tower consists of a tower base, a tower body and a tower top. The lower end of the tower is integrally formed and fixedly connected, and the upper end of the tower body is detachably fixedly connected with the lower end of the tower top. The tower base is equipped with a hydraulic power device and a heating device, and the tower body is equipped with a pressurizing device, a gas collecting device, a monitoring device and a cooling device. , the hydraulic power unit is connected with the pressurizing device, and the computer is respectively connected with the hydraulic power unit, the heating device, the monitoring device and the cooling device for signals. The invention can realize the real simulation of different depths of underground rock layers, and realize the heating and analysis of organic-rich rock samples in three different heating methods, and can record and compare the gas production of organic-rich rock samples at different temperatures, which is conducive to in-depth research Effects of three heating methods at different temperatures on shale gas production.

Description

technical field [0001] The invention relates to the field of simulated mining of organic-rich rocks, in particular to a simulation device and an experimental method for comparing in-situ thermal mining methods of organic-rich rocks. Background technique [0002] Organic-rich rocks are mainly high-quality oil-generating shales in geological history. Shale gas refers to unconventional natural gas that is deposited in organic-rich mud shale and its interlayers, and mainly exists in the form of adsorption and free states. The composition is mainly methane Mainly, it is a clean and efficient energy resource and chemical raw material with a wide range of uses and high industrial economic value. With the increasing pressure of environmental protection, in-situ mining of organic-rich rocks has become an inevitable development trend of commercial large-scale mining of organic-rich rocks in the future. [0003] When the organic matter in organic-rich rocks is heated to a certain high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/24E21B43/243E21B49/00
CPCE21B43/24E21B43/243E21B49/00
Inventor 许浩尹振勇吴京杰符芳亮曹灿
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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