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Article: Effect of tool eccentricity on some electrical well-logging tools

TitleEffect of tool eccentricity on some electrical well-logging tools
Authors
Issue Date1990
Citation
Ieee Transactions On Geoscience And Remote Sensing, 1990, v. 28 n. 1, p. 127-136 How to Cite?
AbstractAn algorithm is presented to compute efficiently the propagation of nonaxially symmetric waves induced by realistic eccentered sources with a mandrel in a multicylindrically layered geometry. One of the applications of such a program is in electrical well logging, where all exploration tools operate in a borehole drilled into the ground for geophysical subsurface sensing. The borehole surrounded by an invasion zone can be modeled as a multicylindrically layered geometry. The authors also present an algorithm to study the effect of eccentricity (source and mandrel not in the center of the borehole) in the presence of concentric invasion zones around the borehole. The authors' algorithm is used to study the eccentricity and invasion effects on an induction measurement and a dielectirc logging measurement. In the case of dielectric logging, they find that the invasion zone can cause resonance effects, and that these effects remain when the tool is eccentered.
Persistent Identifierhttp://hdl.handle.net/10722/182495
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975

 

DC FieldValueLanguage
dc.contributor.authorLovell, John Ren_US
dc.contributor.authorChew, Weng Choen_US
dc.date.accessioned2013-05-02T05:15:35Z-
dc.date.available2013-05-02T05:15:35Z-
dc.date.issued1990en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 1990, v. 28 n. 1, p. 127-136en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182495-
dc.description.abstractAn algorithm is presented to compute efficiently the propagation of nonaxially symmetric waves induced by realistic eccentered sources with a mandrel in a multicylindrically layered geometry. One of the applications of such a program is in electrical well logging, where all exploration tools operate in a borehole drilled into the ground for geophysical subsurface sensing. The borehole surrounded by an invasion zone can be modeled as a multicylindrically layered geometry. The authors also present an algorithm to study the effect of eccentricity (source and mandrel not in the center of the borehole) in the presence of concentric invasion zones around the borehole. The authors' algorithm is used to study the eccentricity and invasion effects on an induction measurement and a dielectirc logging measurement. In the case of dielectric logging, they find that the invasion zone can cause resonance effects, and that these effects remain when the tool is eccentered.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.titleEffect of tool eccentricity on some electrical well-logging toolsen_US
dc.typeArticleen_US
dc.identifier.emailChew, Weng Cho: wcchew@hku.hken_US
dc.identifier.authorityChew, Weng Cho=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/36.45750en_US
dc.identifier.scopuseid_2-s2.0-0025210205en_US
dc.identifier.volume28en_US
dc.identifier.issue1en_US
dc.identifier.spage127en_US
dc.identifier.epage136en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLovell, John R=35851148700en_US
dc.identifier.scopusauthoridChew, Weng Cho=36014436300en_US

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