Wireless Power Transfer for Oil Well Applications

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dc.contributor.advisorChen, Ji
dc.contributor.committeeMemberJackson, David R.
dc.contributor.committeeMemberLong, Stuart A.
dc.contributor.committeeMemberBenhaddou, Driss
dc.contributor.committeeMemberZouridakis, George
dc.creatorXin, Xiyao
dc.date.accessioned2017-08-10T16:08:29Z
dc.date.available2017-08-10T16:08:29Z
dc.date.createdAugust 2015
dc.date.issued2015-08
dc.date.submittedAugust 2015
dc.date.updated2017-08-10T16:08:29Z
dc.description.abstractModern oil industry requires detailed monitoring and management to reduce the risks of unwanted fluid release. Sensors need to be planted along oil wells to gather the downhole environment data. However, there are production packers along oil pipes that are used to provide a seal between pipe casing and tubing to control pipe pressure. Such structures make it difficult for power cables to extend along oil pipes. In order to provide power supply on both sides of production packers, we consider wireless power transfer technique via inductive magnetic coupling between two coils wound along oil pipes. But eddy current induced in metallic pipe and sea water in oil well will counteract the flux link between the transmitting and receiving coils. Also, the distance of power transfer is limited due to the fast decay of the inductive magnetic field. In this research, we propose a long distance wireless power transfer system along the oil pipes with acceptable efficiency. We cover the oil pipe with a thin layer of soft ferrite, and we add a soft ferrite core to the transmitting and receiving coils. We use FEM simulation software to analyze the magnetic flux link improved by the ferrite structures. A CAD model is used to extract FEM field solutions to estimate the power transfer efficiency, and the estimated efficiency is compared and validated with measurement. We will show through FEM simulation and experiments that the ferrite layer on oil pipe forms a magnetic flux pathway and greatly enhances the flux link between transmitter and receiver, and by building a flux pathway extending through pipe, we are able to make the long distance wireless power transfer in oil well possible.
dc.description.departmentElectrical and Computer Engineering, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.citationPortions of this document appear in: Xin, Xiyao, David Jackson, Ji Chen, and Paul Tubel. "Wireless power transmission for oil well applications." In Electromagnetic Compatibility (EMC), 2013 IEEE International Symposium on, pp. 662-665. IEEE, 2013. DOI: 10.1109/ISEMC.2013.6670494. In reference to IEEE copyrighted material which is used with permission in this thesis, the IEEE does not endorse any of University of Houston's products or services. Internal or personal use of this material is permitted. If interested in reprinting/republishing IEEE copyrighted material for advertising or promotional purposes or for creating new collective works for resale or redistribution, please go to http://www.ieee.org/publications_standards/publications/rights/rights_link.html to learn how to obtain a License from RightsLink.
dc.identifier.urihttp://hdl.handle.net/10657/2008
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectWireless Power Transfer
dc.subjectWell Integrity
dc.subjectCAD Model
dc.subjectFerrite Material
dc.subjectSpectral Domain Method
dc.titleWireless Power Transfer for Oil Well Applications
dc.type.dcmitext
dc.type.genreThesis
thesis.degree.collegeCullen College of Engineering
thesis.degree.departmentElectrical and Computer Engineering, Department of
thesis.degree.disciplineElectrical Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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