Feasibility Analysis Method of Aquifer Drainage Based on Hydrological Exploration and Water Release Test

A technology of water discharge test and analysis method, which is applied in drainage, earth square drilling, mining equipment, etc., can solve the problems that the mine water-filled aquifer dredging time and dredging amount cannot be effectively predicted, so as to achieve good water disaster prevention and control work and improve Water test quality, effect of improving accuracy and efficiency

Active Publication Date: 2020-09-08
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

This patent application is mainly for the evaluation of the drainage capacity of the working face, not for the analysis of the feasibility of dredging the main water-filled aquifer of the mine, and cannot effectively predict the dredging time and amount of the mine’s water-filled aquifer

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  • Feasibility Analysis Method of Aquifer Drainage Based on Hydrological Exploration and Water Release Test
  • Feasibility Analysis Method of Aquifer Drainage Based on Hydrological Exploration and Water Release Test
  • Feasibility Analysis Method of Aquifer Drainage Based on Hydrological Exploration and Water Release Test

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[0050] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0051] The structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. The technical content must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to lim...

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Abstract

The invention discloses a method for analyzing the feasibility of aquifer dredging based on hydrological exploration and water release test, including: A. Geophysical prospecting to investigate the abnormal water-rich area; B. Drilling to verify the water-rich abnormal area; Test: D. Carry out the water discharge test and complete the data collection: E. Analyze the results of the water release test: F. Comprehensively evaluate the feasibility of dredging the aquifer. The invention determines the scope of the water-rich anomaly area in the main water-filled aquifer, provides a reference basis for drilling engineering layout, and improves the accuracy and efficiency of drilling water exploration. More direct data can be obtained to accurately evaluate the feasibility of aquifer dredging, and at the same time, it can effectively predict the amount and time of aquifer dredging. It can calculate the water inrush coefficient of the observation hole in each period during the dredging process, draw the contour map of the water inrush coefficient, analyze the change of the safety range after dredging in each period, and combine the hydrogeological parameters, mine drainage capacity, dredging time, dredging Comprehensive evaluation of the drainage feasibility of the aquifer.

Description

technical field [0001] The invention relates to a technology for preventing and controlling coal mine water disasters, in particular to a method for analyzing the feasibility of dredging aquifers based on hydrological exploration and water discharge tests. Background technique [0002] Coal mine water disaster prevention and control is the top priority of coal mine safety production work. For the prevention and control of coal seam floor water hazards, the coal seam floor aquifer grouting reconstruction technology is mainly used to carry out grouting reconstruction in areas with a high possibility of water inrush on the coal seam floor, or the coal seam floor aquifer drainage and pressure reduction technology is used to drain and reduce pressure in dangerous areas. The use of the above-mentioned measures has avoided the occurrence of water damage accidents to the greatest extent and realized safe mining. [0003] Among them, the drainage and depressurization technology is t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F16/00E21F17/18
Inventor 谢道雷张伟杰魏久传尹会永俞功一山韩承豪
Owner SHANDONG UNIV OF SCI & TECH
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