井下地电阻率观测装置稳定性研究

doi:10.12263/DZXB.20200411

电子学报 ›› 2021, Vol. 49 ›› Issue (6): 1167-1177.DOI: 10.12263/DZXB.20200411

井下地电阻率观测装置稳定性研究

王兰炜^1,2, 张宇^1,2, 张兴国^1,2, 张世中^1,2, 胡哲^1,2

1. 应急管理部国家自然灾害防治研究院, 北京 100085;
2. 北京市地震观测工程技术研究中心, 北京 100085

收稿日期:2020-04-29 修回日期:2020-10-22 出版日期:2021-06-25
- 通讯作者:
- 张宇
- 作者简介:
- 王兰炜 男,1968年8月出生,甘肃兰州人.正研级高级工程师,硕士生导师,主要研究方向:地电观测方法与技术.E-mail:wanglw829@126.com
- 基金资助:
- 国家重点研发计划 (No.2018YFF01013700）; 中国大陆综合地球物理场观测仪器研发专项 (No.Y201801）

The Study on the Stability of the Configuration System of Borehole Geo-electric Resistivity Observation

WANG Lan-wei^1,2, ZHANG Yu^1,2, ZHANG Xing-guo^1,2, ZHANG Shi-zhong^1,2, HU Zhe^1,2

1. National Institute of Natural Hazards, Beijing 100085, China;
2. Beijing Engineering Research Center of Earthquake Observation, Beijing 100085, China

Received:2020-04-29 Revised:2020-10-22 Online:2021-06-25 Published:2022-06-25
- Corresponding author:
- ZHANG Yu
- Supported by:
- National Key Research and Development Program of China (No.2018YFF01013700); Chinese Mainland Integrated Geophysical Field Observation Instrument Research and Development Project (No.Y201801)

摘要/Abstract

摘要： 井下地电阻率观测方法能有效减小和抑制地表干扰因素影响，提高观测精度.近年来，该方法在国内得到了快速发展.但也存在一些需要解决的问题，其中观测装置稳定性就是很重要的一个问题，影响装置稳定性最重要的因素就是外线路绝缘性能.外线路埋设在上百米深的地下，其绝缘性能在长期的观测中可能出现变化，对观测结果造成影响.本文通过理论分析计算，定量给出了井下地电阻率观测中线路绝缘性能对观测结果影响，并据此提出了外线路绝缘的技术要求，为该类台站的设计、建设和运行提供了技术依据.

关键词: 井下地电阻率观测, 外线路, 绝缘, 漏电, 接地电阻

Abstract: Borehole geo-electric resistivity observation is an effective method to reduce or eliminate the earth's surface interference and as a result to improve the accuracy of observed data. It has been developed rapidly in our homeland in recent years. However, there are some key technical issues that need to be solved.Among them, the long-term stability of the configuration system is an important issue. The most important factor affecting the stability is the insulation performance of outdoor wire-line. This wire-line is often buried in a borehole deeper than 100 meters. Its insulation performance might deteriorated in a long-term observation, which thus may cause a wrong measured resistivity. Based on theoretical analysis and numerical calculation, we study quantitatively the influence of the insulation performance of outdoor wire-line, and then put forward the technical requirements. It might be a technical reference for the design, construction and operation of borehole geo-electric resistivity observation system at a station.

Key words: borehole geoelectric resistivity observation, outdoor wireline, insulation, leakage, grounding resistivity

中图分类号:

P319

王兰炜, 张宇, 张兴国, 等. 井下地电阻率观测装置稳定性研究[J]. 电子学报, 2021, 49(6): 1167-1177.

WANG Lan-wei, ZHANG Yu, ZHANG Xing-guo, et al. The Study on the Stability of the Configuration System of Borehole Geo-electric Resistivity Observation[J]. Acta Electronica Sinica, 2021, 49(6): 1167-1177.

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井下地电阻率观测装置稳定性研究

The Study on the Stability of the Configuration System of Borehole Geo-electric Resistivity Observation

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