Understanding Seismic Anisotropy In Exploration And Exploitation
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Understanding Seismic Anisotropy In Exploration And Exploitation
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Author : Leon Thomsen
language : en
Publisher: SEG Books
Release Date : 2002
Understanding Seismic Anisotropy In Exploration And Exploitation written by Leon Thomsen and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Nature categories.
All rock masses are seismically anisotropic, but we generally ignore this in our seismic acquisition, processing, and interpretation. The anisotropy nonetheless does affect our data, in ways that limit the effectiveness with which we can use it, as long as we ignore it. This book, produced for use with the fifth SEG/EAGE Distinguished Instructor Short Course, helps us understand why this inconsistency between reality and practice has been so successful in the past and why it will be less successful in the future as we acquire better seismic data (especially including vector seismic data) and correspondingly higher expectations of it. This book helps us understand how we can modify our practice to more fully realize the potential inherent in our data through algorithms which recognize the fact of seismic anisotropy.
Understanding Seismic Anisotropy In Exploration And Exploitation Second Edition
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Author : Leon Thomsen
language : en
Publisher: SEG Books
Release Date : 2014-10-01
Understanding Seismic Anisotropy In Exploration And Exploitation Second Edition written by Leon Thomsen and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-01 with Science categories.
Understanding Seismic Anisotropy in Exploration and Exploitation (second edition) by Leon Thomsen is designed to show you how to recognize the effects of anisotropy in your data and to provide you with the intuitive concepts that you will need to analyze it. Since its original publication in 2002, seismic anisotropy has become a mainstream topic in exploration geophysics. With the emergence of the shale resource play, the issues of seismic anisotropy have become central, because all shales are seismically anisotropic, whether fractured or not. With the advent of wide-azimuth surveying, it has become apparent that most rocks are azimuthally anisotropic, with P-wave velocities and P-AVO gradients varying with source-receiver azimuth. What this means is that analysis of such data with narrow-azimuth algorithms and concepts will necessarily fail to get the most out of this expensively acquired data. The issues include not only seismic wave propagation, but also seismic rock physics. Isotropic concepts including velocity, Young’s modulus, and Poisson’s ratio have no place in the discussion of anisotropic rocks, unless qualified in some directional way (e.g., vertical Young’s modulus). Likewise, fluid substitution in anisotropic rocks, using the isotropic Biot/Gassmann formula, leads to formal errors, because the bulk modulus does not appear, in a natural way, within the anisotropic P-wave velocity. This updated edition is now current as of 2014.
Understanding Seismic Anisotropy In Exploration And Exploitation
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Author : Leon Thomsen
language : en
Publisher:
Release Date : 2014
Understanding Seismic Anisotropy In Exploration And Exploitation written by Leon Thomsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Seismic Stratigraphy And Depositional Facies Models
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Author : P.C.H. Veeken
language : en
Publisher: Academic Press
Release Date : 2013-11-14
Seismic Stratigraphy And Depositional Facies Models written by P.C.H. Veeken and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-14 with Science categories.
The 2e of Seismic Stratigraphy and Depositional Facies Models summarizes basic seismic interpretation techniques and demonstrates the benefits of integrated reservoir studies for hydrocarbon exploration. Topics are presented from a practical point of view and are supported by well-illustrated case histories. The reader is taken from a basic level to more advanced study techniques. The presented modern geophysical techniques allow more accurate prediction of the changes in subsurface geology. Dynamics of sedimentary environments are discussed their relation to global controling factors, and a link is made to high-resolution sequence stratigraphy. The interest in seismic stratigraphic techniques to interpret reflection datasets is well established. The advent of sophisticated subsurface reservoir studies and 4D monitoring for optimizing the hydrocarbon production in existing fields demonstrate the importance of the 3D seismic methodology. The added value of reflection seismics to the petroleum industry has clearly been proven over the last few decades. Seismic profiles and 3D cubes form a vast and robust data source to unravel the structure of the subsurface. Larger offsets and velocity anisotropy effects give access to more details on reservoir flow properties like fracture density, porosity and permeability distribution. Elastic inversion and modeling may tell something about the change in petrophysical parameters. Seismic investigations provide a vital tool for the delineation of subtle hydrocarbon traps, and they are the basis for understanding the regional basin framework and the stratigraphic subdivision. Seismic stratigraphy combines two very different scales of observation: the seismic and well control. The systematic approach applied in seismic stratigraphy explains why many workers are using the principles to evaluate their seismic observations. - Discusses the link between seismic stratigraphic principles and sequence stratigraphy - Provides techniques for seismic reservoir characterization as well as well control - Analyzes inversion, AVO and seismic attributes
Rock Quality Seismic Velocity Attenuation And Anisotropy
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Author : Nick Barton
language : en
Publisher: CRC Press
Release Date : 2006-11-03
Rock Quality Seismic Velocity Attenuation And Anisotropy written by Nick Barton and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-03 with Technology & Engineering categories.
Seismic measurements take many forms, and appear to have a universal role in the Earth Sciences. They are the means for most easily and economically interpreting what lies beneath the visible surface. There are huge economic rewards and losses to be made when interpreting the shallow crust or subsurface more, or less accurately, as the case may be.
Concepts And Applications In 3d Seismic Imaging
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Author : Biondo Biondi
language : en
Publisher: SEG Books
Release Date : 2007
Concepts And Applications In 3d Seismic Imaging written by Biondo Biondi and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Computers categories.
Providing a broad and intuitive understanding of seismic-imaging concepts and methods to enable geoscientists to make appropriate decisions during acquisition, processing, imaging, and interpretation, this book shows trends in imaging research and encourages the adoption of new technologies to facilitate the optimal use of these images.
Elements Of Seismic Dispersion
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Author : Christopher L. Liner
language : en
Publisher: SEG Books
Release Date : 2012
Elements Of Seismic Dispersion written by Christopher L. Liner and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Nature categories.
Demonstrates how spectral decomposition and time-frequency methods have led to improved understanding and use of nonlinear harmonics, near-surface guided waves, layer-induced anisotropy, velocity dispersion and attenuation, interference, and Biot reflection. The discussion includes examples, figures, and literature references for further study.
Prestack Depth Migration And Velocity Model Building
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Author : Ian Frederick Jones
language : en
Publisher: SEG Books
Release Date : 2008
Prestack Depth Migration And Velocity Model Building written by Ian Frederick Jones and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
Compilation of material published 1983-2004.
Microseismic Monitoring
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Author : Vladimir Grechka
language : en
Publisher: SEG Books
Release Date : 2017-09-01
Microseismic Monitoring written by Vladimir Grechka and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-01 with Science categories.
Over the past decade, microseismic monitoring, a technology developed for evaluating completions of wells drilled to produce hydrocarbons from unconventional reservoirs, has grown increasingly popular among oil and gas companies. Microseismic Monitoring, by Vladimir Grechka and Werner M. Heigl, discusses how to process microseismic data, what can and cannot be inferred from such data, and to what level of certainty this might be possible. The narrative of the book follows the passage of seismic waves: from a source triggered by hydraulic fracture stimulation, through hydrocarbon-bearing formations, towards motion sensors. The waves’ characteristics encode the location of their source and its focal mechanism. The analysis of various approaches to harvesting the source-related information from microseismic records has singled out the accuracy of the velocity model, fully accounting for the strong elastic anisotropy of hydraulically fractured shales, as the most critical ingredient for obtaining precise source locations and interpretable moment tensors. The ray theory complemented by its modern extensions, paraxial and Fréchet ray tracing, provides the only practical means available today for building such models. The book is written for geophysicists interested in learning and applying advanced microseismic data-processing techniques.
Encyclopedic Dictionary Of Applied Geophysics
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Author : Robert E. Sheriff
language : en
Publisher: SEG Books
Release Date : 2002
Encyclopedic Dictionary Of Applied Geophysics written by Robert E. Sheriff and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
The fourth edition of SEG's best seller is a valuable, comprehensive reference that is a must for every geophysicist, geologist, explorationist, engineer, energy adviser, economist, editor, and student involved in the field. Hundreds of terms have been added since publication of the third edition in 1991, reflecting rapid evolution of the science, especially in the areas of engineering and production problems, 3D (including multicomponent) acquisition and processing, visualization, S- and converted waves, interpretation, anisotropy, AVO, geostatistics, geohazards, neural networks, tomography, downhole measurements, horizontal drilling, and deepwater work. Definitions of hundreds of other terms have been updated. The dictionary's title has been modified slightly to reflect growth in application of geophysical methods, with the word Applied replacing the word Exploration. The dictionary includes a guide to pronunciation and a list of reference figures and tables. A CD containing the dictionary in searchable PDF format also is included.