中文版 | English
Title

线源三维井地电法异常边界增强及地形校正技术

Alternative Title
Anomaly edge enhancement and topographic correction technology of linear source 3D borehole-to-surface electrical method
Author
Publication Years
2023
DOI
Source Title
ISSN
0253-3782
Volume45Issue:1Pages:46-61
Abstract
基于非结构网格有限元方法开展了三维复杂地电模型的线源井地电法的高效正演模拟研究,探讨了通过求取电场响应导数来刻画目标体边界范围、采用差异场地形校正技术来消除地形影响等措施对井地电法成像的效果和精度的影响.并通过对比与解析解,验证了本文数值解算法的有效性.模型计算结果表明:积水巷道的空间位置和走向均会引起视电阻率的显著变化,视电阻率变化率的极值准确且清晰地指示了巷道边界的位置;电位的归一化总水平导数极大地提高了井地电法对目标体复杂边界位置的识别能力;地形对井地电场分布的影响也很大,其视电阻率响应与地形形状近似呈对称关系,利用差异场技术能有效地削弱地形对井地电法高精度成像的影响.
Keywords
URL[Source Record]
Language
Chinese
SUSTech Authorship
Others
Funding Project
42274087:国家自然科学基金 ; 41874119:国家自然科学基金 ; 42174083:国家自然科学基金
Data Source
WanFang
WanFangID
dizhen202301004
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/524934
DepartmentDepartment of Earth and Space Sciences
Affiliation
1.中国武汉 430100 油气资源与勘探技术教育部重点实验室(长江大学)
2.中国广东深圳 518055 南方科技大学地球与空间科学系
3.中国北京 100083 中国石油勘探开发研究院
4.中国武汉 430072 武汉大学中国南极测绘研究中心
Recommended Citation
GB/T 7714
熊治涛,唐新功,张连群,等. 线源三维井地电法异常边界增强及地形校正技术[J]. 地震学报,2023,45(1):46-61.
APA
熊治涛,唐新功,张连群,李丹丹,&余俊虎.(2023).线源三维井地电法异常边界增强及地形校正技术.地震学报,45(1),46-61.
MLA
熊治涛,et al."线源三维井地电法异常边界增强及地形校正技术".地震学报 45.1(2023):46-61.
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