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Method for embedding seismic wave receiver in loose earth surface

A seismic wave and receiver technology, applied in the field of engineering geophysical exploration, can solve the problems of loose receiver embedding, poor coupling degree, poor effect, etc., and achieve the effect of enhancing the coupling degree

Inactive Publication Date: 2018-05-01
GEOPHYSICAL EXPLORATION CO OF CNPC CHUANQING DRILLING ENG CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To embed receivers in these areas, the current technology is to tamp the ground directly with heavy objects, or pour water after tamping, the effect is poor, the receivers are not embedded tightly, and the coupling degree with the ground surface is poor

Method used

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Embodiment Construction

[0010] Hereinafter, the method for embedding the seismic wave receiver on the loose surface of the present invention will be described in detail in conjunction with exemplary embodiments.

[0011] In an exemplary embodiment of the present invention, the method for embedding the seismic wave receiver on the loose surface can be realized by the following steps:

[0012] First, bury the seismic wave receiver in loose topsoil.

[0013] Then, the loose topsoil around the seismic wave receiver is compacted.

[0014] Subsequently, the alkaline solution is poured around the seismic wave receiver and / or on the compacted topsoil. For example, the pH of the alkaline solution is not less than 9, because the alkaline solution will destroy the soil aggregate structure and cause soil compaction, while the neutral solution or weak alkaline solution has a weak effect on the aggregate structure and cannot quickly and well make the soil. Hardening, in addition, if the alkalinity is too strong, it will ...

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Abstract

The invention provides a method for embedding a seismic wave receiver in a loose earth surface. The embedding method includes: embedding the seismic wave receiver in loose topsoil; compacting the loose topsoil around the seismic wave receiver; and watering the places around the seismic wave receiver and / or the compacted topsoil with an alkaline fluid; and waiting for the natural drying and hardening of the topsoil. The method of the invention can enhance the coupling degree between the seismic wave receiver and the earth surface and improve the quality of the acquired data.

Description

Technical field [0001] The invention belongs to the technical field of engineering geophysical prospecting, and more specifically, relates to a method for embedding a seismic wave receiver on loose ground. Background technique [0002] Generally speaking, in seismic exploration or engineering geophysical prospecting, receivers such as geophones are often embedded in the near-surface strata to collect seismic waves. The quality of the data collected in this way is related to the coupling between the receiver and the surface. The degree of integration has a greater correlation. The higher the degree of coupling, the stronger the energy of the collected data, the higher the frequency, and the less resonance interference. Therefore, the pursuit of the degree of coupling between the receiver and the surface is an important part of seismic wave acquisition. [0003] In the loose surface area, its composition is generally composed of dry sand or loess. For example, the vast northwestern...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/20
CPCG01V1/20
Inventor 杨智超张孟周鸣陈江力黄建国王晓阳郑洁陈贵康
Owner GEOPHYSICAL EXPLORATION CO OF CNPC CHUANQING DRILLING ENG CO LTD
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