Principles Of Electromagnetic Methods In Surface Geophysics

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Author: Alex A. Kaufman
Publisher: Newnes
ISBN: 0444538305
Size: 22.49 MB
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Principles Of Electromagnetic Methods In Surface Geophysics by Alex A. Kaufman


Original Title: Principles Of Electromagnetic Methods In Surface Geophysics

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

Geophysical Electromagnetic Theory And Methods

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Author: Michael S. Zhdanov
Publisher: Elsevier
ISBN: 9780080931760
Size: 67.19 MB
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Geophysical Electromagnetic Theory And Methods by Michael S. Zhdanov


Original Title: Geophysical Electromagnetic Theory And Methods

In this book the author presents the state-of-the-art electromagnetic (EM) theories and methods employed in EM geophysical exploration. The book brings together the fundamental theory of EM fields and the practical aspects of EM exploration for mineral and energy resources. This text is unique in its breadth and completeness in providing an overview of EM geophysical exploration technology. The book is divided into four parts covering the foundations of EM field theory and its applications, and emerging geophysical methods. Part I is an introduction to the field theory required for baseline understanding. Part II is an overview of all the basic elements of geophysical EM theory, from Maxwell's fundamental equations to modern methods of modeling the EM field in complex 3-D geoelectrical formations. Part III deals with the regularized solution of ill-posed inverse electromagnetic problems, the multidimensional migration and imaging of electromagnetic data, and general interpretation techniques. Part IV describes major geophysical electromagnetic methods—direct current (DC), induced polarization (IP), magnetotelluric (MT), and controlled-source electromagnetic (CSEM) methods—and covers different applications of EM methods in exploration geophysics, including minerals and HC exploration, environmental study, and crustal study. * 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-electrical methods and the practice of 3D interpretations

Basic Principles Of Induction Logging

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Author: Alex A. Kaufman
Publisher: Elsevier
ISBN: 9780128025833
Size: 34.95 MB
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Basic Principles Of Induction Logging by Alex A. Kaufman


Original Title: Basic Principles Of Induction Logging

Basic Principles of Induction Logging provides geoscientists with the information required to survey the electrical conductivity of rocks surrounding a borehole. The formation conductivity distribution in the borehole vicinity is critical information required in formation evaluation and geosteering applications. Developing a theory of EM logging and on understanding basic physics for both wireline and LWD logging tools, this reference furnishes valuable insights for development and use of EM techniques in practical logging applications. Basic Principles of Induction Logging will be vital for anyone attempting to investigate, invent, and develop the next generation of EM logging tools. It will provide information required to enable operation in more challenging environments such as logging while drilling, anisotropic and thinly laminated formations, high angle and horizontal wells. Provides a step-by-step approach to the theory of electromagnetic methods in borehole applications starting from the simplest models Presents theory on the subject that has been previously hard to find, making this a must have reference for anyone working in the field Delivers a much needed update on the latest analysis methods, modelling techniques, drilling environments, and probe configurations

Electromagnetic Methods In Applied Geophysics Theory

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Author: Misac N. Nabighian
Publisher: SEG Books
ISBN: 0931830516
Size: 31.38 MB
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Electromagnetic Methods In Applied Geophysics Theory by Misac N. Nabighian


Original Title: Electromagnetic Methods In Applied Geophysics Theory

This volume presents mathematical and physical foundations common to all EM methods. There are chapters on numerical and analog modeling. The chapters on electrical properties of rocks and resistivity characteristics of geologic targets helps envisage different kinds of ground structures that may be dealt with and the effect of various factors on observed conductivities of rocks. Basic principles of modern instrument design are in "Detection of Repetitive Electromagnetic Signals." The last chapter discusses the principles of EM inversion as a first step toward achieving the elusive goal of automatic interpretation of EM data.

Principles Of Electric Methods In Surface And Borehole Geophysics

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Author: Alex A. Kaufman
Publisher: Elsevier
ISBN: 9780080931845
Size: 35.61 MB
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Principles Of Electric Methods In Surface And Borehole Geophysics by Alex A. Kaufman


Original Title: Principles Of Electric Methods In Surface And Borehole Geophysics

This title covers the physical and mathematical principles of electric methods in applied geophysics. Subject material Writing style Authority of contributors

An Introduction To Applied And Environmental Geophysics

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Author: John M. Reynolds
Publisher: John Wiley & Sons
ISBN: 1119957141
Size: 80.59 MB
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An Introduction To Applied And Environmental Geophysics by John M. Reynolds


Original Title: An Introduction To Applied And Environmental Geophysics

An Introduction to Applied and Environmental Geophysics, 2nd Edition, describes the rapidly developing field of near-surface geophysics. The book covers a range of applications including mineral, hydrocarbon and groundwater exploration, and emphasises the use of geophysics in civil engineering and in environmental investigations. Following on from the international popularity of the first edition, this new, revised, and much expanded edition contains additional case histories, and descriptions of geophysical techniques not previously included in such textbooks. The level of mathematics and physics is deliberately kept to a minimum but is described qualitatively within the text. Relevant mathematical expressions are separated into boxes to supplement the text. The book is profusely illustrated with many figures, photographs and line drawings, many never previously published. Key source literature is provided in an extensive reference section; a list of web addresses for key organisations is also given in an appendix as a valuable additional resource. Covers new techniques such as Magnetic Resonance Sounding, Controlled- Source EM, shear-wave seismic refraction, and airborne gravity and EM techniques Now includes radioactivity surveying and more discussions of down-hole geophysical methods; hydrographic and Sub-Bottom Profiling surveying; and UneXploded Ordnance detection Expanded to include more forensic, archaeological, glaciological, agricultural and bio-geophysical applications Includes more information on physio-chemical properties of geological, engineering and environmental materials Takes a fully global approach Companion website with additional resources available at www.wiley.com/go/reynolds/introduction2e Accessible core textbook for undergraduates as well as an ideal reference for industry professionals The second edition is ideal for students wanting a broad introduction to the subject and is also designed for practising civil and geotechnical engineers, geologists, archaeologists and environmental scientists who need an overview of modern geophysical methods relevant to their discipline. While the first edition was the first textbook to provide such a comprehensive coverage of environmental geophysics, the second edition is even more far ranging in terms of techniques, applications and case histories.

Computational Methods In Geophysical Electromagnetics

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Author: Eldad Haber
Publisher: SIAM
ISBN: 1611973791
Size: 79.91 MB
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Computational Methods In Geophysical Electromagnetics by Eldad Haber


Original Title: Computational Methods In Geophysical Electromagnetics

This monograph provides a framework for students and practitioners who are working on the solution of electromagnetic imaging in geophysics. Bridging the gap between theory and practical applied material (for example, inverse and forward problems), it provides a simple explanation of finite volume discretization, basic concepts in solving inverse problems through optimization, a summary of applied electromagnetics methods, and MATLAB?÷code for efficient computation.

Principles Of Induced Polarization For Geophysical Exploration

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Author: J.S. Sumner
Publisher: Elsevier
ISBN: 0444599878
Size: 75.96 MB
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Principles Of Induced Polarization For Geophysical Exploration by J.S. Sumner


Original Title: Principles Of Induced Polarization For Geophysical Exploration

Developments in Economic Geology, 5: Principles of Induced Polarization for Geophysical Exploration focuses on the principles, methodologies, and approaches involved in induced polarization (IP), including anisotropism, electromagnetic coupling, and electrical circuits. The book first takes a look at resistivity principles, theory of IP, and laboratory work in IP. Concerns cover electrical measurements of rocks, anisotropism, early part of decay curve and the comparison with frequency effects, electrical models of induced polarization, electrical polarization, resistivities of earth materials, and resistivity exploration methods. The manuscript then elaborates on IP field equipment, telluric noise and electromagnetic coupling, IP field surveying, and drill-hole and underground surveying and the negative IP effect. Discussions focus on differences between surface and subsurface methods, current-sending system in the field, telluric (earth) currents, electromagnetic coupling, design considerations, coupling of electrical circuits, design considerations, and signal-generating system. The manuscript ponders on the complex-resistivity method and interpretation of induced-polarization data, including grade estimation of mineralization using the IP method, complex-resistivity survey, signal detection capabilities of the complex-resistivity method, and disadvantages of the complex-resistivity method. The text is a valuable source of information for researchers wanting to study induced polarization.

Principles Of Applied Geophysics

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Author: D. S. Parasnis
Publisher: Springer Science & Business Media
ISBN: 9400958145
Size: 76.24 MB
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Principles Of Applied Geophysics by D. S. Parasnis


Original Title: Principles Of Applied Geophysics

The welcome accorded to the first two editions of this book has been most encouraging. The object of the third edition continues to be to give a brief but "fairly comprehensive survey of the methods of applied geophysics including some of the modern interpretation techniques. The general approach and plan of the previous editions are preserved, but in bringing the book up to date some changes have been made to which I would like to draw the reader's special attention. SI units are strictly adhered to except in six illustrative figures reproduced from older literature and left intact to save some extensive redraughting. Following the recommendation of the International Union of Geodesy and Geophysics, the magnetic field measured in geophysical work is labelled here as flux density (tesla). Consequently, the symbols H, Z and T commonly used in geomagnetic work should stand for flux density. In the Max wellian theory of electromagnetism the symbol H stands, by convention, for a magnetizing force (A m -1) and a discerning reader will at once sense a source of confusion. This source of confusion is avoided in the present edition by B , B and B instead of H, Z and T. The employing the symbols b z t latter ~et is employed for the corresponding magnetizing forces of the earth's field. I hope this notation will gain general acceptance because it so easily dispenses with an ambiguity that otherwise tends to lead to unnecessary confusion of units and dimensions in geomagnetism.

Principles Of Electric Methods In Surface And Borehole Geophysics

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Author: Alex A. Kaufman
Publisher: Elsevier
ISBN: 9780080931845
Size: 11.40 MB
Format: PDF
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Principles Of Electric Methods In Surface And Borehole Geophysics by Alex A. Kaufman


Original Title: Principles Of Electric Methods In Surface And Borehole Geophysics

This title covers the physical and mathematical principles of electric methods in applied geophysics. Subject material Writing style Authority of contributors

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