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Author : Alexander A. Kaufman
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.14/5 ( download)
Download or read book Frequency and Transient Soundings written by Alexander A. Kaufman and published by Elsevier Publishing Company. This book was released on 1983 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander A. Kaufman
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.90/5 ( download)
Download or read book Electromagnetic Soundings written by Alexander A. Kaufman and published by Elsevier Science & Technology. This book was released on 2001 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing the latest developments in the application of electromagnetic methods, this title is a revised edition of the book "Frequency and Transient Soundings" by A.A. Kaufman and G.V. Keller published in 1983.In this volume the physical principles, theory and interpretation of electromagnetic soundings and profiling are developed and explained. The authors systematically derive the relationships between components of electromagnetic fields measured, transmitter-receiver separations and frequency spectrum on the one hand, and parameters of geoelectric sections on the other hand.In addition you will find case histories illustrating the applications of modern instruments for electromagnetic soundings and profiling in agricultural and geotechnical engineering, environmental site assessments and ground water investigations.
Author : L. L. Vanyan
Publisher : Springer Science & Business Media
ISBN 13 : 1468406701
Total Pages : 317 pages
Book Rating : 4.02/5 ( download)
Download or read book Electromagnetic Depth Soundings written by L. L. Vanyan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: 10.------------------------, 10.------------------------. N ::IE ~ w ~ '" "'0.1 \~ 0 M z SIDE VIEW PLAN VIEW 0.01 LI --'---'---LLL-'---LLLlI ~-L---"---LLL..ll..L.LJ'-':';;' 0.01 1 100 10 100 fr Fig. 1. The behavior of the magnetic and electric fields from a vertical magnetic dipole source at the surface of the earth (after Wait [1951,1955]). earth, the experimental curve so plotted should have the same shape as a portion of the ap propriate theoretical curve, but with the ordinates and abscissas shifted by an amount dependent on the resistivity. The conductivity can be determined from the amount of shift between the field data and the theoretical curve. A detailed description of the curve matching procedure is found in a text by Keller and Frischknecht (1966). The curve matching procedure, though used, has several disadvantages. Measurements must be made over a diagnostic portion of the theoretical curve, one in which there is some curvature, so that the amount of shift required to make a match can be determined uniquely. This means that the approximate conductivity of the earth must be known when measurements are made. Secondly, determination of a single value of conductivity requires measurements made over a wide range of frequencies. This would appear to be wasteful of data, inasmuch as the equations indicate that a single measurement at a single frequency should be enough to de termine conductivity.
Author : Misac N. Nabighian
Publisher : SEG Books
ISBN 13 : 1560800224
Total Pages : 989 pages
Book Rating : 4.24/5 ( download)
Download or read book Electromagnetic Methods in Applied Geophysics written by Misac N. Nabighian and published by SEG Books. This book was released on 1988 with total page 989 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a slag heap, the result of strip mining, creeps closer to his house in the Ohio hills, fifteen-year-old M. C. is torn between trying to get his family away and fighting for the home they love.
Author : Lawrence Lee Greischar
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.22/5 ( download)
Download or read book Depth Sounding with Transient Electro-magnetic Reflections written by Lawrence Lee Greischar and published by . This book was released on 1973 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alex Kaufman
Publisher : Newnes
ISBN 13 : 0444538305
Total Pages : 793 pages
Book Rating : 4.07/5 ( download)
Download or read book Principles of Electromagnetic Methods in Surface Geophysics written by Alex Kaufman and published by Newnes. This book was released on 2014-06-27 with total page 793 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Electromagnetic Methods in Surface Geophysics contains information about the theory of electromagnetic fields in a conducting media. It describes the theoretical and physical principles of the main geophysical methods using electromagnetic fields, including frequency and transient soundings, electromagnetic profiling, and magnetotelluric soundings. Special attention is paid to models and signal processing methods used in modern exploration geophysics for groundwater, mineral and hydrocarbon exploration. Offers an integrated approach to the description of electromagnetic geophysical fields used for surface geophysical surveys Provides a clear introduction to the physical background of electromagnetic methods and their application Rounds off the treatment of the main geophysical methods: gravity, magnetic seismic, electric and electromagnetic methods
Author : Michael S. Zhdanov
Publisher : Elsevier
ISBN 13 : 0444638911
Total Pages : 804 pages
Book Rating : 4.15/5 ( download)
Download or read book Foundations of Geophysical Electromagnetic Theory and Methods written by Michael S. Zhdanov and published by Elsevier. This book was released on 2017-10-27 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foundations of Geophysical Electromagnetic Theory and Methods, Second Edition, builds on the strength of the first edition to offer a systematic exposition of geophysical electromagnetic theory and methods. This new edition highlights progress made over the last decade, with a special focus on recent advances in marine and airborne electromagnetic methods. Also included are recent case histories on practical applications in tectonic studies, mineral exploration, environmental studies and off-shore hydrocarbon exploration. The book is ideal for geoscientists working in all areas of geophysics, including exploration geophysics and applied physics, as well as graduate students and researchers working in the field of electromagnetic theory and methods. Presents theoretical and methodological foundations of geophysical field theory Synthesizes fundamental theory and the most recent achievements of electromagnetic (EM) geophysical methods in the framework of a unified systematic exposition Offers a unique breadth and completeness in providing a general picture of the current state-of-the-art in EM geophysical technology Discusses practical aspects of EM exploration for mineral and energy resources
Author : Avital Kaufman
Publisher : Elsevier
ISBN 13 : 0080539629
Total Pages : 657 pages
Book Rating : 4.21/5 ( download)
Download or read book Principles of Induction Logging written by Avital Kaufman and published by Elsevier. This book was released on 2003-05-23 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monograph introduces the reader to the world of inductive well logging - an established method for surveying the electrical conductivity of rocks surrounding a borehole. The emphasis is on developing a theory of inductive logging and on understanding logging tools basic physics, since this theory and understanding furnish valuable insights for inventing practical induction logging techniques. The first chapter of the book presents the basic laws of electromagnetism from a point of view that will facilitate the application of the theory to problems in electromagnetic logging. Many topics that play an important role in the design and interpretation of tools readings are covered. The vertical resolution and radial depth of investigation of different induction tools is systematically considered. Special attention is paid to principles of induction logging with transversal induction coils, to transient method of induction logging in media with cylindrical and horizontal interfaces and to the influence of anisotropy on the electromagnetic field measured in a conducting medium. Multi-coil differential induction probes and induction logging based on measuring the inphase component of the secondary field or the quadrature component difference are also described in detail. The last chapter is devoted to mathematical modeling of the response of induction logging tools in 3D geometries. The theory of inductive logging presented in this volume can be applied to logging after drilling as well as logging while drilling.
Author : V. Dimri
Publisher : Elsevier
ISBN 13 : 1483291375
Total Pages : 249 pages
Book Rating : 4.76/5 ( download)
Download or read book Deconvolution and Inverse Theory written by V. Dimri and published by Elsevier. This book was released on 2013-10-22 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first study to present simultaneously both deconvolution and inversion, two powerful tools of data analysis. Featured within this volume are various geophysical convolution models and a treatment of deconvolution for a time-varying signal. The single channel time-varying deconvolution is shown equivalent to the multichannel time-invariant deconvolution, thus a formalism and associated algorithms can handle both. Inverse theory as well as various inversion schemes are presented on the basis of a relationship between a small perturbation to the model and its effects on the observation. The information theory inversion scheme is discussed, and several types of norm of minimization presented. Additionally, concepts and results of inverse theory are applied to design a new deconvolution operator for estimating magnetization and density distribution, and the constraint of the Backus-Gilbert formalism of inverse theory is used to design a new prediction error filter for maximum entropy spectral estimates. Maximum likelihood, another high resolution method is also presented. This volume can be utilised as a graduate-level text for courses in Geophysics. Some chapters will be of use for graduate courses in Applied Mathematics, Applied Statistics, and Oceanography.
Author : Viacheslav V. Spichak
Publisher : Elsevier
ISBN 13 : 9780080466866
Total Pages : 404 pages
Book Rating : 4.69/5 ( download)
Download or read book Electromagnetic Sounding of the Earth's Interior written by Viacheslav V. Spichak and published by Elsevier. This book was released on 2011-09-22 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on lectures given in the First Russian School-Seminar on electromagnetic soundings of the Earth held in Moscow on 15th November, 2003, this book acquaints scientists and technologists with the latest achievements in theory, techniques and practical applications of the methods of electromagnetic sounding. This three part text covers the methods considered for Earth electromagnetic sounding on a global, regional, and local scale; modern methods for solving forward and inverse problems of geoelectrics, particularily contemporary approaches to the EM data modeling and interpretation in the class of three-dimensional models; and the results of regional EM on-land and sea soundings * Presents theoretical and methodological findings, as well as examples of applications of recently developed algorithms and software in solving practical problems * Describes the practical importance of electromagnetic data through enabling discussions on a construction of a closed technological cycle, processing, analysis and three-dimensional interpretation * Updates current findings in the field, especially with MT, magnetovariational and seismo-electriccal methods and the practice of 3D interpretaions
