Electromagnetic Sounding of the Earth's Interior

Electromagnetic Sounding of the Earth's Interior

2nd Edition - June 29, 2015

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  • Author: Viacheslav Spichak
  • eBook ISBN: 9780444635570
  • Paperback ISBN: 9780444635549

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Description

Electromagnetic Sounding of the Earth's Interior 2nd edition provides a comprehensive up-to-date collection of contributions, covering methodological, computational and practical aspects of Electromagnetic sounding of the Earth by different techniques at global, regional and local scales. Moreover, it contains new developments such as the concept of self-consistent tasks of geophysics and , 3-D interpretation of the TEM sounding which, so far, have not all been covered by one book. Electromagnetic Sounding of the Earth's Interior 2nd edition consists of three parts: I- EM sounding methods, II- Forward modelling and inversion techniques, and III - Data processing, analysis, modelling and interpretation. The new edition includes brand new chapters on Pulse and frequency electromagnetic sounding for hydrocarbon offshore exploration. Additionally all other chapters have been extensively updated to include new developments.

Key Features

  • Presents recently developed methodological findings of the earth’s study, including seismoelectrical and renewed magnetovariational approaches
  • Provides methodological guidelines for Electromagnetic data interpretation in various geological environments
  • Contains a balanced set of lectures covering all aspects of Electromagnetic sounding at global, regional and local levels along with case studies, highlighting the practical importance of electromagnetic data
  • Updates current findings in the field, in particular MT, magnetovariational and seismo-electrical methods and the practice of 3D interpretations

Readership

Geophysists, Exploration Geophysicists, Geoscientists working on applied electromagnetics. Secondary Audience: The geothermal industry sector and the hydrocarbon exploration sector.

Table of Contents

  • Part I: EM Sounding Methods

    Chapter 1: Global 3-D EM Studies of the Solid Earth: Progress Status

    • Abstract
    • 1.1. Introduction
    • 1.2. Governing equations
    • 1.3. 3-D EM inversion of ground-based Dst data using C-response approach
    • 1.4. 3-D EM inversion of ground-based Sq data: concept and results
    • 1.5. 3-D EM inversion of satellite Dst data using matrix Q-response approach
    • 1.6. Alternative concept to handle complex source structures
    • 1.7. Alternative data source for global EM induction studies
    • 1.8. Concluding remarks and outlook
    • Acknowledgments

    Chapter 2: Magnetovariational Method in Deep Geoelectrics

    • Abstract
    • 2.1. Introduction
    • 2.2. On integrated interpretation of MV and MT data
    • 2.3. Model experiments
    • 2.4. MV–MT study of the Cascadian subduction zone (EMSLAB experiment)
    • Acknowledgments

    Chapter 3: Shallow Investigations by TEM-FAST Technique: Methodology and Examples

    • Abstract
    • 3.1. Introduction
    • 3.2. Advantages of TEM in shallow depth studies
    • 3.3. On the TEM-FAST technology
    • 3.4. 1-D modeling and inversion
    • 3.5. 3-D modeling and inversion
    • 3.6. Joint inversion of TEM and DC soundings
    • 3.7. Side effects in TEM sounding
    • 3.8. Conclusions

    Chapter 4: Self-Consistent Problems of Geoelectrics

    • Abstract
    • 4.1. Introduction
    • 4.2. Induced polarization in subsurface structure
    • 4.3. Self-consistent seismoelectric field

    Part II: Forward Modeling and Inversion Techniques

    Chapter 5: 3-D EM Forward Modeling Using Balance Technique

    • Abstract
    • 5.1. Modern approaches to the forward problem solution
    • 5.2. Balance method of EM fields computation in models with arbitrary conductivity distribution
    • 5.3. Method of the EM field computation in axially symmetric media

    Chapter 6: 3-D EM Forward Modeling Using Integral Equations

    • Abstract
    • 6.1. Introduction
    • 6.2. Volume integral equation method
    • 6.3. Model examples
    • 6.4. Conclusions
    • Acknowledgments

    Chapter 7: Inverse Problems in Modern Magnetotellurics

    • Abstract
    • 7.1. Introduction
    • 7.2. Three features of multidimensional inverse problem
    • 7.3. Three questions of Hadamard
    • 7.4. MT and MV inversions in the light of Tikhonov’s theory of ill posed problems

    Chapter 8: Methods of Joint Robust Inversion in Magnetotelluric and Magnetovariational Studies with Application to Synthetic Datasets

    • Abstract
    • 8.1. Adaptive parameterization of a geoelectric model
    • 8.2. Inverted and modeling data
    • 8.3. Inversion as a minimization problem
    • 8.4. Study of inversion algorithms using synthetic datasets
    • 8.5. Conclusions
    • Acknowledgments

    Chapter 9: Neural Network Reconstruction of Macroparameters of 3-D Geoelectric Structures

    • Abstract
    • 9.1. Introduction
    • 9.2. Backpropagation technique
    • 9.3. Creation of teaching and testing data pools
    • 9.4. Effect of the ANN architecture on the quality of the parameters’ recognition
    • 9.5. Effect of the input data type
    • 9.6. Effect of the volume and structure of the training data pool
    • 9.7. Extrapolation ability of ANN
    • 9.8. Noise treatment
    • 9.9. Case history: ANN reconstruction of the Minou fault parameters
    • Acknowledgments

    Part III: Data Processing, Analysis, Modeling and Interpretation

    Chapter 10: Arrays of Simultaneous Electromagnetic Soundings: Design, Data Processing, Analysis, and Inversion

    • Abstract
    • 10.1. Simultaneous systems for natural EM fields observation
    • 10.2. Multisite schemes for estimation of transfer operators
    • 10.3. Temporal stability of transfer operators
    • 10.4. Methods for the analysis of simultaneous EM data
    • 10.5. Methods for the interpretation of simultaneous EM data
    • 10.6. Conclusions
    • Acknowledgments

    Chapter 11: Magnetotelluric Field Transformations and Their Application in Interpretation

    • Abstract
    • 11.1. Introduction
    • 11.2. Linear relations between MT field components
    • 11.3. Point transforms of MT data
    • 11.4. Examples of the use of MT field point transforms for the interpretation
    • 11.5. Integral transforms
    • Acknowledgments

    Chapter 12: Modeling of Magnetotelluric Fields in 3-D Media

    • Abstract
    • 12.1. A feasibility study of MT method application in hydrocarbon exploration
    • 12.2. Testing hypotheses of the geoelectric structure of the Transcaucasian region from magnetotelluric data
    • 12.3. MT imaging internal structure of volcanoes
    • 12.4. Simulation of MT monitoring of the magma chamber conductivity
    • 12.5. Assessment of the coastal aquifer salinization
    • Acknowledgments

    Chapter 13: Magnetotelluric Studies in Russia: Regional-Scale Surveys and Hydrocarbon Exploration

    • Abstract
    • 13.1. Introduction
    • 13.2. MT survey technology in brief: data acquisition, processing, analysis, and interpretation
    • 13.3. Regional-scale MT studies
    • 13.4. MT for hydrocarbon prospecting
    • 13.5. Prospects for future
    • 13.6. Conclusions
    • Acknowledgments

    Chapter 14: Pulse and Frequency Soundings of Shelf Hydrocarbon Reservoirs

    • Abstract
    • 14.1. Introduction
    • 14.2. Model and sounding configurations
    • 14.3. Modeling results
    • 14.4. Gradient configurations
    • 14.5. Limiting possibilities of soundings
    • 14.6. Sounding of inhomogeneous media
    • 14.7. EM sounding in the frequency-dispersive media
    • 14.8. Interpretation of soundings
    • 14.9. Conclusions

Product details

  • No. of pages: 482
  • Language: English
  • Copyright: © Elsevier 2015
  • Published: June 29, 2015
  • Imprint: Elsevier
  • eBook ISBN: 9780444635570
  • Paperback ISBN: 9780444635549

About the Author

Viacheslav Spichak

With over 30 years’ geophysics experience, Dr. Spichak’s main research interests include joint interpretation of electromagnetic and other geophysical data, indirect estimation of the Earth’s physical properties from the ground electromagnetic data, and computational electromagnetics. Spichak has authored and edited 8 books with Elsevier, including Electromagnetic Sounding of the Earth's Interior (2015). He is the winner of the Gamburtsev award for the monograph “Magnetotelluric fields in three-dimensional models of geoelectrics” (1999) and the Schmidt medal for outstanding achievements in Geophysics (2010).

Affiliations and Expertise

Head, Lab EM Data Interpretation Methodology, Geoelectromagnetic Research Centre IPE RAS, Moscow, Russia

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