3D magnetization vector inversion of magnetic data: Improving and comparing methods

S Liu, X Hu, H Zhang, M Geng, B Zuo - Pure and Applied Geophysics, 2017 - Springer
Magnetization vector inversion is an useful approach to invert for magnetic anomaly in the
presence of significant remanent magnetization and self-demagnetization. However …

Magnetization vector imaging for borehole magnetic data based on magnitude magnetic anomaly

S Liu, X Hu, T Liu, J Feng, W Gao, L Qiu - Geophysics, 2013 - library.seg.org
Remanent magnetization and self-demagnetization change the magnitude and direction of
the magnetization vector, which complicates the interpretation of magnetic data. To deal with …

Three-dimensional inversion of magnetic data in the simultaneous presence of significant remanent magnetization and self-demagnetization: Example from Daye iron …

S Liu, M Fedi, X Hu, Y Ou, J Baniamerian… - Geophysical Journal …, 2018 - academic.oup.com
Natural remanent magnetization and self-demagnetization on high-susceptibility bodies are
two important factors affecting magnetic data inversion. We propose a framework for the …

[PDF][PDF] 强磁性体Δ 犜异常计算的误差分析研究

袁晓雨, 姚长利, 郑元满, 李泽林, 王君恒 - 地球物理学报, 2015 - dsjyj.com.cn
摘要本文主要针对当前磁法勘探中高精度处理解释的需求, 对强磁性体Δ 犜异常计算存在的误差
进行分析研究. 我们首先通过理论模型计算试验, 证明常规计算采用的投影关系的Δ …

[HTML][HTML] 强剩磁强退磁条件下的二维井中磁测反演

刘双, 冯杰, 高文利, 邱礼泉, 刘天佑, 胡祥云 - 地球物理学报, 2013 - html.rhhz.net
强剩磁, 强退磁改变了总磁化强度的大小和方向, 给磁测资料解释带来困难. 为此,
本文利用二维井中磁测数据反演磁化强度矢量的二维分布. 首先利用井中磁测的磁异常模量反演 …

Investigation of magnetic inversion methods in highly magnetic environments under strong self-demagnetization effect

RA Krahenbuhl, Y Li - Geophysics, 2017 - library.seg.org
We investigate self-demagnetization effects on magnetic data and develop a comparison of
two existing inversion methods as they apply to quantitative interpretation of such data in …

Joint Inversion Method of Gravity and Magnetic Analytic Signal Data with Adaptive Unstructured Tetrahedral Subdivision

R Niu, G Ma, T Wang, L Li, T Gao - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Unstructured grid generation is more suitable for finishing the joint inversion of gravity and
magnetic anomalies in the case of undulating observation surfaces and irregular field …

Iterative magnetic forward modeling for high susceptibility based on integral equation and Gauss-fast Fourier transform

F Ouyang, L Chen - Geophysics, 2020 - library.seg.org
Self-demagnetization due to strongly magnetic bodies can seriously affect the interpretation
of magnetic anomalies. Conventional numerical methods often neglect the self …

Susceptibility and remanent magnetization inversion of magnetic data with a priori information of the Köenigsberger ratio

S Liu, X Hu, B Zuo, H Zhang, M Geng… - Geophysical Journal …, 2020 - academic.oup.com
Magnetic susceptibility and natural remanent magnetization of rocks are useful parameters
to study geological structures and geodynamic processes. Traditional widely used …

Constrained 3D inversion of magnetic data with structural orientation and borehole lithology: A case study in the Macheng iron deposit, Hebei, China

S Sun, C Chen, Y Liu - Geophysics, 2019 - library.seg.org
We have developed a case study on the use of constrained inversion of magnetic data for
recovering ore bodies quantitatively in the Macheng iron deposit, China. The inversion is …