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Keywords: magnetic susceptibility
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100818
... sulfides (pyrite, sphalerite, and galena) and physical properties such as conductivity, resistivity, magnetic susceptibility, P-wave velocity, and density. There are three main stages of hydrothermal alteration in the process of mineralization. The first one is a brecciation stage that forms a breccia...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583463
.... Two information on the biological processes that took place in spill locations are known. At one of these two locations we the past, or even at present. analyzed core samples using magnetic laboratory procedures such as magnetic susceptibility, In this study we investigate a creosote contaminated site...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428248
... Anisotropic magnetic susceptibility (AMS), as an intrinsic property, has been used widely in geological studies based on direct sample measurements. However, its application through geophysical data interpretations is rare despite its influence on the induced magnetization has been noted...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216860
... ABSTRACT Magnetic susceptibility imaging is fundamental for mineral exploration, and on-time transient electromagnetic (MoTEM) method provides an active-source alternative to the traditionally geomagnetic method for this purpose. We present a numerical investigation and case study of MoTEM...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3208039
... economic concentrations. We developed a joint inversion algorithm based on a probabilistic method and applied it to airborne gravity gradiometry and magnetic data-sets to obtain density and magnetic susceptibility distributions. The joint coupling measure is incorporated in the inversion by using a cross...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998601
... (Anaheim Convention Center) Presentation Type: Oral inversion geometry equation computational geoscience inc mesh magnetic susceptibility reference solution haber steel susceptibility homogenization upstream oil & gas borehole seg international exposition steel-cased well scaling...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996460
... ABSTRACT We present the magnetic on-time transient electromagnetic (MoTEM) method to image the subsurface magnetic susceptibility. The method uses the on-time part of the waveform produced by the transmitter of transient electromagnetic systems as the inducing field. Therefore, it is an active...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995792
... constraint gravity joint inversion artificial intelligence anomalous density reservoir characterization multinary inversion joint multinary inversion geological survey upstream oil & gas zhdanov model parameter spatial reasoning magnetic susceptibility gramian constraint inversion cross...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995827
...: 9:20:00 AM Location: Poster Station 9 Presentation Type: Poster log analysis annual meeting cement 1 magnetic susceptibility nair cement-based material upstream oil & gas well logging tool length intensity eltsov annual international meeting seg international exposition...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997835
... ABSTRACT Anisotropic magnetic susceptibility (AMS) contains information about the internal structure of magnetic geologic units and may have the potential to provide information about their formation history and subsequent geologic processes to witch these units were subjected. We examine...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17777386
... at the 87th SEG Annual Meeting. reservoir characterization ocb location central gulf geophysical analysis continental crust eddy gulf magnetic susceptibility makris gumbo 2 seg seg international exposition mexico seismic velocity oceanic crust crust upstream oil & gas annual meeting...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17729331
... ABSTRACT We present a multiple level-set method for inverting magnetic data produced by weak induced magnetization only. The method is designed to deal with a specific class of 3-D magnetic inverse problems in which the magnetic susceptibility is known and the objective of the inversion...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13685551
... seg seg international exposition inversion upstream oil & gas geologic modeling geological modeling metabasalt magnetic susceptibility reservoir characterization magnetic susceptibility model high magnetic susceptibility artificial intelligence gravity susceptibility...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0190
... metals & mining exploration rock type classification property measurement down-hole physical property measurement machine learning physical property measurement magnetic susceptibility artificial intelligence mcbratney rock group seg denver 2014 reservoir characterization well...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0739
... Summary Magnetic susceptibility is a relatively unexploited tool in petrophysical core and well cutting analysis. In this study, we investigated the variability in magnetic susceptibility in well cuttings from an oil-bearing interval located between 3000 feet and 3900 feet below the surface...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0445
... curve shape, but be offset from it. inversion upstream oil & gas inverse model information magnetic body magnetic susceptibility constraint aeromagnetic data core log information borehole inverse modeling line 21 seg houston 2013 prism susceptibility anomaly petrophysical data...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1459
.... A case study on applying this approach to the Furnas Fe oxide Cu Au deposit at low magnetic latitude in Carajás Mineral Province, Brazil, is presented, and demonstrates that magnetic amplitude inversions can reliably recover the distribution of effective magnetic susceptibility and identify massive...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0417
...) was used in this project to detect magnetic susceptibility and density contrasts within the sediments at stations located on a regular mesh which covers the whole project area. The lateral correlation between stations allowed the identification of multiple horizons. The results derived from potential field...

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