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Simulation test system for dynamic monitoring coal reservoir sensitivity and drainage control

A technology of control simulation and dynamic monitoring, which is applied in the direction of fuel oil testing, production fluid, and measuring devices, etc., can solve the problem of inability to achieve efficient and optimal management and control of coalbed methane well drainage, and inability to effectively evaluate the occurrence conditions of coalbed methane drainage and reservoir drainage, coupling Effects and other issues, to achieve the effect of optimizing the control degree of coalbed methane drainage and production pipes, easy installation, and high controllability

Pending Publication Date: 2019-11-15
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

However, the existing test systems or devices cannot effectively evaluate the drainage occurrence conditions and coupling effects of the sensitivity of coalbed methane drainage reservoirs, and cannot achieve efficient and optimal management and control of coalbed methane well drainage

Method used

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  • Simulation test system for dynamic monitoring coal reservoir sensitivity and drainage control
  • Simulation test system for dynamic monitoring coal reservoir sensitivity and drainage control
  • Simulation test system for dynamic monitoring coal reservoir sensitivity and drainage control

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] A dynamic monitoring coal reservoir sensitivity and drainage control simulation test system, including:

[0028] Sample loading, confining pressure loading and pressure measurement module 1, used for loading test samples, applying confining pressure to test samples during the test, and measuring and recording pressure data during the test; ...

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Abstract

The present invention discloses a simulation test system for dynamic monitoring coal reservoir sensitivity and drainage control. The simulation test system comprises: a sample loading, confining pressure loading and pressure measurement module, which is configured to load a test sample, apply a confining pressure to the test sample in a test process, and measure and record pressure data in the test process; a gas-liquid fluid displacement injection module, which is configured to wash a test pipeline, vacuum the test system, and inject the gas-liquid fluid used for the test into the sample loading, confining pressure loading and pressure measurement module; and a gas-liquid collection and measurement module, which is configured to collect gas and liquid from the sample loading, confining pressure loading and pressure measurement module, and measure the amount of the collected gas and liquid. According to the test system provided by the present invention, the permeability change in the sensitivity generating process in the coal reservoir during the in-situ coalbed methane drainage can be dynamically monitored in real time, the effective control of the coalbed methane well drainage can be implemented, and the test system has high controllability, easy installation, and safety and reliability.

Description

technical field [0001] The invention relates to the technical field of coal bed gas exploitation, in particular to a dynamic monitoring coal reservoir sensitivity and drainage control simulation test system. Background technique [0002] Affected by the tense situation of conventional oil and gas, the composition and supply form of coal as the main energy source will not change, and the large amount of gas emissions in the coal mining process will make the greenhouse effect more serious and threaten the ecological security of the whole nature. Human beings are increasingly demanding new and clean energy sources, so the mining and utilization of coal gas in coal seams as a new and clean energy source is still receiving widespread attention. [0003] my country is rich in coalbed methane (gas) resources. The development of coalbed methane and the extraction and use of gas are of great significance to alleviating the shortage of oil and gas resources in my country, reducing the...

Claims

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Application Information

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IPC IPC(8): G01N33/22G01N15/08E21B43/00
CPCE21B43/006G01N15/0826G01N33/222
Inventor 刘会虎
Owner ANHUI UNIV OF SCI & TECH
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