Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006geoji.165..744a&link_type=abstract
Geophysical Journal International, Volume 165, Issue 3, pp. 744-762.
Astronomy and Astrophysics
Astronomy
5
Electromagnetic Induction, Inverse Problem, Perturbation Method, Numerical Techniques
Scientific paper
We present 2.5-D forward and inverse algorithms for modelling low-frequency electromagnetic scattering problems. These algorithms are intended to be used for interpretation of large-scale electromagnetic geophysical data. The algorithms are based on an integral equation approach. To solve the forward problem, a standard conjugate gradient normal residual method is employed, while the inverse problem is solved with the so-called multiplicative regularized contrast source inversion method. Inversion results with low-frequency electromagnetic data for single- and cross-well configurations are presented. Furthermore the advantages of combining the long-offset single-well and cross-well data are discussed.
Abubakar Aria
Habashy Tarek M.
van den Berg Peter M.
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