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Experiment equipment for simulating thermal exploitation efficiency of geothermal resource exploitation by injection fluid and operation method

A technology of geothermal resources and experimental devices, applied in the direction of material thermal development, etc., can solve the problems of insufficient water content, low permeability, and insufficient geothermal resources to meet the mining standards.

Active Publication Date: 2019-07-09
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing geothermal reservoir development faces two types of problems, one is the formation with high water content and high permeability, but its geothermal resources may not be sufficient to meet the mining standard, and the other is deep buried reservoirs with insufficient water content or low permeability. lower

Method used

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  • Experiment equipment for simulating thermal exploitation efficiency of geothermal resource exploitation by injection fluid and operation method
  • Experiment equipment for simulating thermal exploitation efficiency of geothermal resource exploitation by injection fluid and operation method
  • Experiment equipment for simulating thermal exploitation efficiency of geothermal resource exploitation by injection fluid and operation method

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Embodiment Construction

[0048] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0049] Such as figure 1 As shown, the experimental device for simulating the thermal recovery efficiency of geothermal resources by fluid injection includes a rock block heating simulation mechanism 1, a fluid heater 2 connected to both ends of the rock block heating simulation mechanism 1 and a fluid measurement mechanism 3, connected to the rock block heating simulation mechanism The pressure control mechanism 4 on the mechanism 1 and the flow supply mechanism 5 and the air supply mechanism 6 respectively connected to the fluid heater 2 . The fluid heater 2 is used to heat the initial temperature of the injected fluid; the fluid measurement mechanism 3 is used to test the temperature of the displaced fluid to inve...

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Abstract

The invention discloses experiment equipment for simulating thermal exploitation efficiency of geothermal resource exploitation by injection fluid and an operation method. The device comprises a rockheating simulation mechanism, a fluid heater and a fluid measurement mechanism which are connected with two ends of the rock heating simulation mechanism, a pressure control mechanism which is connected with the rock heating simulation mechanism, and a fluid supply mechanism and a gas supply mechanism which are connected with the fluid heater. According to the experiment equipment and the operation method, stratum conditions can be simulated accurately, and through monitoring of temperature change condition of a rock in a process that the injection fluid passes the rock, and time when the fluid reaches thermal balance in the rock, the thermal exploitation efficiency of the geothermal resource exploitation by the injection fluid is simulated.

Description

technical field [0001] The invention relates to the technical field of geothermal exploitation, in particular to an experimental device and an operation method for simulating fluid injection exploitation of geothermal resources thermal exploitation efficiency. Background technique [0002] Geothermal resources are widely distributed, and the geological environment of geothermal reservoirs varies greatly. The reservoirs of large geothermal fields can cover various rock formations, including quartzite, shale, volcanic rock and granite. The lithology is complex and diverse, and the thermal conductivity and heat storage efficiency of various lithologies are different. The world is rich in geothermal resources, which have been widely used in geothermal power generation, heating, greenhouses, rehabilitation and medical treatment. Shallow geothermal resources are manifested as volcanoes, geysers, hot springs and large-scale hot water reservoirs, etc., and are mainly located in are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 陈青田园媛王玉婷苏力明星余闫长辉曹铭俊杨海心王涛张雨薇
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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