Underwater amount measuring method based on resistivity imaging technology

A technology of resistivity imaging and water volume measurement, which is applied in geophysical measurement, water resources assessment, instruments, etc., can solve the problems of no consideration of impact, complicated process, high cost, etc., and achieve less measurement time and manpower, and the method is economical and feasible, Effect of reducing measurement cost

Inactive Publication Date: 2014-01-01
HOHAI UNIV
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Problems solved by technology

Because the accuracy of the geophysical resistivity method is not high, it cannot accurately reflect the geological conditions of the research area. It is usually only used for qualitative analysis of the geological conditions of the research area before drilling and measurement, and cannot be used for the analysis and calculation of groundwater water content; pumping test The accuracy of the method is high, but the cost is high and the process is complicated, requiring a lot of preparation work. The locality of drilling also makes the calculation of groundwater water content mostly scattered point estimates, which cannot reflect the distribution of groundwater as a whole. In addition, the commonly used groundwater The measurement method of groundwater volume does not consider the influence of porosity on groundwater volume, and the measurement accuracy of groundwater volume is not high

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  • Underwater amount measuring method based on resistivity imaging technology
  • Underwater amount measuring method based on resistivity imaging technology
  • Underwater amount measuring method based on resistivity imaging technology

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Embodiment Construction

[0022] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0023] Such as figure 1 As shown, the groundwater measurement method based on resistivity imaging technology should make use of the existing logging wells in the study area as much as possible. If the number of logging wells is not enough to reflect the geological conditions of the entire study area, new drilling should be considered. According to the core data of existing logging and newly added logging, the geological distribution of the logging area is preliminarily judged.

[0024] A systemat...

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Abstract

The invention discloses an underwater amount measuring method based on a resistivity imaging technology. A high density resistivity method is used, a connecting well electrical connecting test is conducted on measured wells which are in the same line, and a rho s contour line cross section diagram is drawn; meanwhile, measuring methods such as a geophysical well logging method and a sound wave method are used, according to the corresponding relation of a stratum and an electrical layer, a systematic observation method with ground measuring and well measuring combined is used, a research area three-dimensional resistivity imaging diagram is mapped, a splattering precise value in a traditional method is improved to a precision value of a connecting line profile, the underwater amount is calculated accordingly, and the accuracy of measuring of the underwater amount can be greatly improved.

Description

technical field [0001] The invention relates to a method for measuring groundwater volume based on resistivity imaging technology, and belongs to the technical field of groundwater volume measurement. Background technique [0002] Groundwater resources are an important part of the natural water cycle system. The survey of groundwater resources is of great significance to the analysis of hydrogeological conditions and water resource allocation and evaluation in the research area. The most commonly used method for groundwater evaluation is the water balance method, but the water balance method can only reflect the recharge and discharge of groundwater, and cannot reflect the actual total amount of groundwater resources. Many groundwater survey projects, such as subways, tunnels, buildings, etc. Calculation of groundwater volume for excavation projects and water volume estimation for water-seeking projects in hilly areas often require analysis of the total groundwater reserves ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V11/00
CPCY02A90/30
Inventor 徐烁方国华张宏兵张文喆刘芹
Owner HOHAI UNIV
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