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 …

Mitigating remanent magnetization effects in magnetic data using the normalized source strength

M Pilkington, M Beiki - Geophysics, 2013 - library.seg.org
We have developed an approach for the interpretation of magnetic field data that can be
used when measured anomalies are affected by significant remanent magnetization …

Estimating the magnetization direction of sources from southeast Bulgaria through correlation between reduced‐to‐the‐pole and total magnitude anomalies

D Gerovska, MJ Araúzo‐Bravo, P Stavrev - Geophysical Prospecting, 2009 - earthdoc.org
We present a new method to estimate the direction of the magnetization vector of geological
bodies based upon the correlation between the reduced‐to‐the‐pole field for tentative …

2D sequential inversion of total magnitude and total magnetic anomaly data affected by remanent magnetization

S Liu, X Hu, Y Xi, T Liu, S Xu - Geophysics, 2015 - library.seg.org
Remanent magnetization complicates the inversion of magnetic data due to altering the
strength and direction of the magnetization vector. To deal with the problem, we have …

Improved total magnetization direction determination by correlation of the normalized source strength derivative and the reduced-to-pole fields

H Zhang, D Ravat, YR Marangoni, G Chen, X Hu - Geophysics, 2018 - library.seg.org
The knowledge of total magnetization (magnitude and direction) makes it easier to interpret
magnetic anomalies. We have developed a simple crosscorrelation-based method to …

[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 …

Calculation of magnitude magnetic transforms with high centricity and low dependence on the magnetization vector direction

D Gerovska, MJ Araúzo-Bravo - Geophysics, 2006 - library.seg.org
We present a Matlab tool that calculates five magnitude magnetic transforms (MMTs) from an
input measured anomalous magnetic field. The MMTs are all based on the total magnitude …

Locating geologic contacts with magnitude transforms of magnetic data

M Pilkington - Journal of Applied Geophysics, 2007 - Elsevier
Locating geologic contacts by mapping lateral magnetization changes provides a variety of
useful geologic information. Magnetic contacts will often correspond to lithologic boundaries …

2D inversion for borehole magnetic data in the presence of significant remanence and demagnetization

S LIU, J FENG, WL GAO, LQ QIU, TY LIU… - Chinese Journal of …, 2013 - en.dzkx.org
Significant remanence and demagnetization alter the intensity and orientation of total
magnetization, which complicates interpretation of magnetic data. To deal with the problem …

磁异常模量垂向一阶导数的特征及应用

刘圣博, 陈超, 胡正旺 - 地球物理学进展, 2011 - dzkx.org
磁异常转换模量(magnitude magnetic transforms, 简称MMTs) 相比传统的数据处理方法如化极,
总梯度模等, 其产生的异常更接近实际磁性异常体的水平位置, 以便进行磁法解释 …