An Introduction To Geophysical Exploration

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An Introduction To Geophysical Exploration

Author : Philip Kearey
ISBN : 9781118698938
Genre : Science
File Size : 40.29 MB
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This new edition of the well-established Kearey and Brooks text is fully updated to reflect the important developments in geophysical methods since the production of the previous edition. The broad scope of previous editions is maintained, with even greater clarity of explanations from the revised text and extensively revised figures. Each of the major geophysical methods is treated systematically developing the theory behind the method and detailing the instrumentation, field data acquisition techniques, data processing and interpretation methods. The practical application of each method to such diverse exploration applications as petroleum, groundwater, engineering, environmental and forensic is shown by case histories. The mathematics required in order to understand the text is purposely kept to a minimum, so the book is suitable for courses taken in geophysics by all undergraduate students. It will also be of use to postgraduate students who might wish to include geophysics in their studies and to all professional geologists who wish to discover the breadth of the subject in connection with their own work.
Category: Science

Geophysical Exploration For Engineering And Environmental Investigations

Author : United States Army Corps of Engineers
ISBN : 1410222438
Genre : Technology & Engineering
File Size : 21.20 MB
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This manual provides an introduction to geophysical exploration for engineering, geological, and environmental (to include Hazardous, Toxic and Radioactive Waste (HTRW)) investigations. Descriptions and guidance are provided for the geophysical methods typically used in these investigations. The manual furnishes a broad overview of geophysical applications to common engineering, environmental and geological problems. Descriptions of the most commonly conducted geophysical procedures are given. These contents are not proposed to explicitly develop field procedures and data reduction techniques for geophysical surveys. Chapter 2 develops the procedural evaluation, use, and deployment of the generalized geophysical approach. Subsequent chapters address particular geophysical methodologies.
Category: Technology & Engineering

Looking Into The Earth

Author : Alan E. Mussett
ISBN : 9781139643641
Genre : Science
File Size : 74.85 MB
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Looking Into the Earth comprehensively describes the principles and applications of both 'global' and 'exploration' geophysics on all scales. It forms an introduction to geophysics suitable for those who do not necessarily intend to become professional geophysicists, including geologists, civil engineers, environmental scientists, and field archaeologists. The book is organised into two parts: Part 1 describes the geophysical methods, while Part 2 illustrates their use in a number of extended case histories. Mathematical and physical principles are introduced at an elementary level, and then developed as necessary. Student questions and exercises are included at the end of each chapter. The book is aimed primarily at introductory and intermediate university students taking courses in geology, earth science, environmental science, and engineering. It will also form an excellent introductory textbook in geophysics departments, and will help practising geologists, archaeologists and engineers understand what geophysics can offer their work.
Category: Science

Exploration Geophysics

Author : Mamdouh R. Gadallah
ISBN : 9783540851592
Genre : Science
File Size : 55.68 MB
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Many text books have been written on the subject "Exploration Geophysics". The majority of these texts focus on the theory and the mathematical treatment of the subject matter but lack treatment of practical aspects of geophysical exploration. This text is written in simple English to explain the physical meaning of jargon, or terms used in the industry. It describes how seismic data is acquired in 2-D and 3-D, how they are processed to convert the raw data to seismic vertical and horizontal cross sections, that are geologically meaningful, and how these and other data are interpreted to delineate a prospect. Workshops are included after each chapter and are designed to reinforce learning of the concepts presented. Key Features: Written in simple easy to understand language Heavily illustrated to aid in understanding the text End of chapter "Key words and workshop" The text includes several appendices and answers for the selected workshop problems
Category: Science

An Introduction To Gravity Procedures For Geophysical Exploration

Author : J. Paul Guyer, P.E., R.A.
ISBN :
Genre : Technology & Engineering
File Size : 81.71 MB
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Introductory technical guidance for civil, petroleum and geotechnical engineers interested in gravity procedures for geophysical exploration.
Category: Technology & Engineering

An Introduction To Airborne And Remote Sensing Methods For Geophysical Exploration

Author : J. Paul Guyer, P.E., R.A.
ISBN :
Genre : Technology & Engineering
File Size : 80.19 MB
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Introductory technical guidance for civil and petroleum engineers and professional land surveyors interested in airborne and remote geophysical surveying and exploration. Here is what is discussed: 1. INTRODUCTION 2. GEOPHYSICAL METHODOLOGY 3. AIRBORNE GEOPHYSICAL METHODS 4. REMOTE SENSING.
Category: Technology & Engineering

An Introduction To Applied And Environmental Geophysics

Author : John M. Reynolds
ISBN : 047097544X
Genre : Science
File Size : 88.16 MB
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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.
Category: Science

Handbook Of Geophysical Exploration At Sea

Author : Richard A. Geyer
ISBN : 084934252X
Genre : Science
File Size : 65.1 MB
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This two-volume handbook presents advanced research and operational information about hard minerals and hydrocarbons. It provides information in an integrated, interdisciplinary manner, stressing case histories. It includes review chapters, illustrations, graphs, tables, and color satellite images that present the results of gravity, geodetic, and seismic surveys and of 3-D sea floor sub-bottom visualizations. The data was obtained using satellites, aircraft, and ships from the Atlantic and Pacific Oceans, the Gulf of Mexico, and the Caribbean Sea. Major topics addressed in these volumes include geophysical methods used to explore for hydrocarbons, advanced radiometric and electrical methods for hard mineral searches, the role of geotechnology and seismic acoustics in overcoming geological hazards in selecting drilling sites and pipeline routes, and remote sensing techniques used to determine the physical properties of sediments.
Category: Science

Geophysics

Author : William Lowrie
ISBN : 9780198792956
Genre : Mathematics
File Size : 52.54 MB
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Geophysics is the physics of the Earth. Central to the Earth Sciences today, it encompasses areas such as seismology, volcanism, plate tectonics, gravitational anomalies, and the Earth's magnetic field (present and past, as captured in rocks), all of which give clues to both the structure and the working of the Earth. In this Very Short Introduction, William Lowrie describes the internal and external processes that affect the planet, as well as the principles and methods of geophysics used to investigate them. He explains how analysis of the seismic waves produced in earthquakes reveals the internal structure of the Earth. Geophysicists have established that the greatest source of energy powering geological processes is the Earth's internal heat. Deep inside the Earth, the temperature is high enough to produce a fluid outer core of molten iron. It is the motion in this molten iron layer that produces the Earth's magnetic field, which shields the planet against harmful radiation from the Sun and outer space, and thus makes the planet habitable. Lowrie describes how the magnetic field also magnetizes rocks during their formation, leaving a permanent record of the ancient field and its direction that geophysicists have learned to use to interpret past motions of the continents and tectonic plates. From analyzes of Earth's deepest interior to measurements made from Earth-orbiting satellites, Lowrie shows how geophysical exploration is vitally important in the search for mineral resources, and emphasizes our need to understand the history of our planet and the processes that govern its continuing evolution. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
Category: Mathematics

Geophysical Electromagnetic Theory And Methods

Author : Michael S. Zhdanov
ISBN : 0080931766
Genre : Science
File Size : 55.54 MB
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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
Category: Science

Principles Of Induced Polarization For Geophysical Exploration

Author : J.S. Sumner
ISBN : 9780444599872
Genre : Technology & Engineering
File Size : 81.17 MB
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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.
Category: Technology & Engineering

Developments In Geophysical Exploration Methods

Author : A. A. Fitch
ISBN : 9789400981058
Genre : Science
File Size : 77.19 MB
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One facet of development in this field is that the methods of gathering and processing geophysical data, and displaying results, lead to presentations which are more and more comprehensible geologically. Expressed in another way, the work of the interpreter becomes progressively less onerous. The contributions in this collection of original papers illustrate this direction of development, especially in seismic prospecting. If one could carry out to perfection the steps of spiking deconvolution, migration and time--depth conversion, then the seismic section would be as significant geologically as a cliff-face, and as easy to understand. Perhaps this is not yet achieved, but it remains an objective, brought closer by work such as that described by the authors. The editor offers his best thanks to the contributors-busy geophysicists who have written with erudition on this range of subjects of current interest. A. A. FITCH v CONTENTS Preface v List of Contributors IX 1. Determination of Static Corrections A. W. ROGERS 2. Vibroseis Processing 37 P. KIRK The 11 Norm in Seismic Data Processing 53 3. H. L. TAYLOR 4. Predictive Deconvolution 77 E. A. ROBINSON 5. Exploration for Geothermal Energy 107 G. V. KELLER 6. Migration 151 P. HOOD Index 231 vii LIST OF CONTRIBUTORS P. HOOD Geophysicist, Geophysics Research Branch, The British Petroleum Co. Ltd, Britannic House, Moor Lane, London EC2Y 9BU, UK.
Category: Science

Introduction To Geophysical Fluid Dynamics

Author : Benoit Cushman-Roisin
ISBN : 9780120887590
Genre : Mathematics
File Size : 42.26 MB
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Inhaltsverzeichnis: I Fundamentals - 1: Introduction - 2: The Coriolis Force - 3: Equations of Fluid Motion - 4: Equations Governing Geophysical Flows - 5: Diffusive Processes - 6: Transport and FateII Rotation Effects - 7: Geostrophic Flows and Vorticity Dynamics - 8: Ekman layer - 9: Barotropic Waves - 10: Barotropic Instability - III Stratification Effects - 11: Stratification - 12: Layered Models - 13: Internal Waves - 14: Turbulence in Stratified Fluids - IV Combined Rotation and Stratification Effects - 15: Dynamics of Stratified Rotating Flows - 16: Quasi-Geostrophic Dynamics - 17: Instabilities of Rotating Stratified Flows - 18: Fronts, Jets and VorticesV Special Topics - 19: Atmospheric General Circulation - 20: Oceanic General Circulation - 21: Equatorial Dynamics - 22: Data Assimilation - VI Web-site information Appendix A: Elements of Fluid Mechanics - Appendix B: Wave KinematicsAppendix C: Recapitulation of Numerical SchemesReferencesCD-ROM
Category: Mathematics

Basic Exploration Geophysics

Author : Edwin S. Robinson
ISBN : 0471612790
Genre : Prospecting
File Size : 72.5 MB
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Introduces geophysical methods used to explore for natural resources and to survey earth structure for purposes of geological and engineering knowledge. These methods include seismic refraction and reflection surveying, gravity and magnetic field surveying, electrical resistivity and electromagnetic field surveying, and geophysical well logging. Covers modern field procedures and instruments, as well as data processing and interpretation techniques, including graphical methods. All basic surveying methods are described step-by-step, and illustrated by practical examples. Well illustrated.
Category: Prospecting

Introduction To Petroleum Exploration For Non Geologists

Author : Robert Stoneley
ISBN : 0198548567
Genre : Science
File Size : 77.93 MB
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A straightforward explanation of the techniques of petroleum exploration, which uses a case history of activities in the North Sea to describe essential geological and geophysical methods, drilling and logging wells, reservoir geology and petroleum reserve
Category: Science