Geophysical Notes
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| Author | : Max A. Meju |
| Publisher | : SEG Books |
| Total Pages | : 305 |
| Release | : 1994 |
| Genre | : Geophysics |
| ISBN | : 156080257X |
This publication is designed to provide a practical understanding of methods of parameter estimation and uncertainty analysis. The practical problems covered range from simple processing of time- and space-series data to inversion of potential field, seismic, electrical, and electromagnetic data. The various formulations are reconciled with field data in the numerous examples provided in the book; well-documented computer programmes are also given to show how easy it is to implement inversion algorithms.
| Author | : Michael Burianyk |
| Publisher | : SEG Books |
| Total Pages | : 94 |
| Release | : 2019-05-15 |
| Genre | : Science |
| ISBN | : 1560803576 |
Written for students as well as professionals who work with and support geophysicists, this book presents a simple and informal discussion of fundamental concepts which underlie the quantitative part of geophysical analysis and interpretation. These general concepts are applicable for an analytical approach to any phenomena that can be measured and recorded. With examples and figures created using Microsoft Excel®, this book is accessible and insightful. Topics covered include: the concept of signals based on the sine function; the summation of sine waves as a more complicated signal; the notion of Fourier series and the spectral representation of signals; digital sampling and discrete representation of signals; the discrete Fourier transform and inverse transform; the concept of filtering in the spectral domain; and the idea of filtering outside of the spectral domain, by convolution, and the relationship between the measurement and spectral domains. This book will be valuable for geologists, junior seismic interpreters, software developers, high school and university students, and geophysical professionals seeking a refresher of the basic concepts.
| Author | : Lewis Lomax Nettleton |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1971 |
| Genre | : Geomagnetism |
| ISBN | : 9780931830563 |
This text provides a general overview of gravity and magnetics as applied to geophysical exploration.
| Author | : |
| Publisher | : |
| Total Pages | : 710 |
| Release | : 1970 |
| Genre | : Geophysics |
| ISBN | : |
| Author | : Donald A. Herron |
| Publisher | : SEG Books |
| Total Pages | : 217 |
| Release | : 2011 |
| Genre | : Nature |
| ISBN | : 1560802804 |
Intended for beginning interpreters, this book approaches seismic interpretation via synthesis of concepts and practical applications rather than through formal treatment of basic physics and geology. Based on the author's personal experience as a seismic interpreter, it is organised along the lines of notes from classes he designs and teaches.
| Author | : Dwain K. Butler |
| Publisher | : SEG Books |
| Total Pages | : 734 |
| Release | : 2005 |
| Genre | : Science |
| ISBN | : 1560801301 |
Part 1, "fundamentals", includes magnetic and electrical methods, subsurface geophysics, near-surface seismology, electromagnetic induction, and ground-penetrating radar. Part 2, "applications", includes determination of physical properties, multimethod surveys and integrated interpretations, and model-based survey planning, execution, and interpretation.
| Author | : Satinder Chopra |
| Publisher | : SEG Books |
| Total Pages | : 303 |
| Release | : 2014-10-01 |
| Genre | : Science |
| ISBN | : 1560803193 |
AVO (SEG Investigations in Geophysics No. 16) by Satinder Chopra and John Castagna begins with a brief discussion on the basics of seismic-wave propagation as it relates to AVO, followed by a discussion of the rock-physics foundation for AVO analysis including the use of Gassmann’s equations and fluid substitution. Then, the early seismic observations and how they led to the birth of AVO analysis are presented. The various approximations for the Zoeppritz equations are examined, and the assumptions and limitations of each approximation are clearly identified. A section on the factors that affect seismic amplitudes and a discussion of the processing considerations important for AVO analysis are included. A subsequent section explores the various techniques used in AVO interpretation. Finally, topics including the influence of anisotropy in AVO analysis, the use of AVO inversion, estimation of uncertainty in AVO analysis, converted-wave AVO, and the future of the AVO method are discussed. Equally helpful to new entrants into the field as well as to seasoned workers, AVO will provide readers with the most up-to-date knowledge on amplitude variation with offset.
| Author | : Enders A. Robinson |
| Publisher | : SEG Books |
| Total Pages | : 481 |
| Release | : 2000 |
| Genre | : Digital filters (Mathematics). |
| ISBN | : 1560801042 |
Addresses the construction, analysis, and interpretation of mathematical and statistical models. The practical use of the concepts and techniques developed is illustrated by numerous applications. The chosen examples will interest many readers, including those engaged in digital signal analysis in disciplines other than geophysics.
| Author | : Stephen J. Hill |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2019 |
| Genre | : Seismometry |
| ISBN | : 9780931830488 |
This second volume provides a foundation for understanding the vigorous, relevant, and fascinating field of seismic processing, addressing that portion which precedes migration. Written for the non-expert, this second volume of the two-volume introductory text reveals the limitations and potential pitfalls of seismic data, prepares both seismic interpreters and acquisition specialists for working with seismic processing geophysicists, explains seismic processing operations as a series of solutions to problems, and demonstrates the dependence of a final interpretable seismic volume on its many seismic processing decisions. Although seismic processing is inherently mathematical, this text uses numerous illustrations and real data examples, providing an intuitive understanding of the seismic processing procedures and resorting to an algebra-based argument only on rare occasions. The first volume starts with migration. This second volume addresses pre-migration processing. In combination, these two volumes present seismic processing topics in order reverse of a typical processing sequence. Through this reverse ordering, the reader understands an algorithm's input requirements, providing motivation for understanding the preceding algorithm in the processing sequence.
| Author | : |
| Publisher | : |
| Total Pages | : 718 |
| Release | : 1960 |
| Genre | : Earth sciences |
| ISBN | : |
