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Article: Electromagnetic borehole fields in a layered, dipping-bed environment with invasion

TitleElectromagnetic borehole fields in a layered, dipping-bed environment with invasion
Authors
Issue Date1992
PublisherSociety of Exploration Geophysicists. The Journal's web site is located at http://scitation.aip.org/geophysics
Citation
Geophysics, 1992, v. 57 n. 3, p. 451-465 How to Cite?
AbstractElectromagnetic modeling of an induction sonde (1-100 kHz) in a dipping-bed environment is a 3-D problem. The method accounts for transverse magnetic mode (TM) coupling arising from surface charges deposited by eddy currents passing through bed boundaries. If borehole and invasion effects are included, the only available rigorous analytical methods are finite elements or finite-difference techniques. These approaches require large-scale computing. In contrast, the described method is approximate and is an extension of the geometrical-factor theory and Born approximation. The method uses a new electric field vector integral equation. Results for dip angles up to 60 degrees for variational results and eigenfunction solutions for the case of no borehole or invasion show good agreement. -from Authors
Persistent Identifierhttp://hdl.handle.net/10722/182518
ISSN
2015 Impact Factor: 2.017
2015 SCImago Journal Rankings: 1.646

 

DC FieldValueLanguage
dc.contributor.authorHoward Jr, AQen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:15:42Z-
dc.date.available2013-05-02T05:15:42Z-
dc.date.issued1992en_US
dc.identifier.citationGeophysics, 1992, v. 57 n. 3, p. 451-465en_US
dc.identifier.issn0016-8033en_US
dc.identifier.urihttp://hdl.handle.net/10722/182518-
dc.description.abstractElectromagnetic modeling of an induction sonde (1-100 kHz) in a dipping-bed environment is a 3-D problem. The method accounts for transverse magnetic mode (TM) coupling arising from surface charges deposited by eddy currents passing through bed boundaries. If borehole and invasion effects are included, the only available rigorous analytical methods are finite elements or finite-difference techniques. These approaches require large-scale computing. In contrast, the described method is approximate and is an extension of the geometrical-factor theory and Born approximation. The method uses a new electric field vector integral equation. Results for dip angles up to 60 degrees for variational results and eigenfunction solutions for the case of no borehole or invasion show good agreement. -from Authorsen_US
dc.languageengen_US
dc.publisherSociety of Exploration Geophysicists. The Journal's web site is located at http://scitation.aip.org/geophysicsen_US
dc.relation.ispartofGeophysicsen_US
dc.titleElectromagnetic borehole fields in a layered, dipping-bed environment with invasionen_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0026614675en_US
dc.identifier.volume57en_US
dc.identifier.issue3en_US
dc.identifier.spage451en_US
dc.identifier.epage465en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHoward Jr, AQ=7402702579en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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