A Guide To Seismic Data Acquisition
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A Guide To Seismic Data Acquisition
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Author : Rajendra Prasad
language : en
Publisher:
Release Date : 2016-05-07
A Guide To Seismic Data Acquisition written by Rajendra Prasad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-07 with categories.
This book deals with the optimization technique of seismic data acquisition parameter. Each aspect of acquisition parameter has been discussed in detail. Chapter-one deals with the general technique of seismic data acquisition and common meaning of some of the terms being used in exploration seismic in on land and offshore areas, particularly about characteristics of source & receiver and acquisition techniques. Chapter-two deals with the optimization of Geometrical Parameters i.e. far-offset distance, near-offset distance, group interval, effective array length, foldage, line orientation and line length. Chapter-three deals with the optimization of Source Parameters. Basic goal of optimization is to have required resolution and signal to noise ratio in the acquired data. For explosive source, shot hole depth, charge size and lithology of the medium surrounding the charge are three parameters which decide the source signature. First of all records with different depths below the weathering layer with equal charge size is taken. Signal to noise ratio and peak frequency of the signal at the main zone of interest is computed. Amplitude spectra of different traces at main zone of interest are also compared for all the records. Record giving highest peak frequency and signal to noise ratio corresponds to optimum depth. Now keeping this depth fixed, charge size is varied and record are taken. Again signal to noise ratio, peak frequency and amplitude spectra are compared and a suitable one is selected on the basis of frequency content and signal to noise ratio. In the case of land airgun, Number of airgun, number of pops and air gun patterns are the main parameters, which decide signal to noise ratio. In the case of Vibroseis, sweep length, end frequencies of the sweep and Vibroseis pattern are the main parameters to be optimized in the field. In marine work marine air gun is the widely used marine seismic source. Peak to peak amplitude, primary to bubble ratio (PBR) and bandwidth of the amplitude spectrum are the deciding parameters for selection of source.Chapter-four deals with the Source/Receiver Array Parameters. Effective array length, element's weighting and spacing are the parameters to be optimized on the basis of desired seismic resolution as well as degree of attenuation of coherent noise. Effectiveness of the array is examined by fold-back experiment and f-k diagram.Chapter-five deals with the Recording System & Quality Control. Silent features have been discussed here, which are essential to be adhered in the field so that objective of the survey is achieved.
A Handbook For Seismic Data Acquisition In Exploration
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Author : Brian J. Evans
language : en
Publisher: SEG Books
Release Date : 1997
A Handbook For Seismic Data Acquisition In Exploration written by Brian J. Evans and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.
This illustration-rich book explains seismic data acquisition operations from a fundamental and practical standpoint, ranging from land to marine 2D methods to 3D seismic methods. Helpful to geologists, field crews, exploration managers, petroleum engineers, and geophysicists, each chapter concludes with exercises on field data recording problems.
Simultaneous Source Seismic Acquisition
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Author : Ray Abma
language : en
Publisher: SEG Books
Release Date : 2020-12-31
Simultaneous Source Seismic Acquisition written by Ray Abma and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-31 with Science categories.
This book introduces simultaneous source technology and helps those who practice it succeed. Although the book does not include all developments, which would have entailed a much longer treatise, this work is written through the lens of decades of experiences and allows readers to understand the development of independent simultaneous sourcing. The relationships between data acquisition and data processing are discussed because never before have they been so intertwined as in this area. In addition to describing the underlying technologies, this book also is a user-guide which discusses survey design and acquisition and decribes the sensitivities of the processing algorithms which can allow simultaneous source technology to succeed. The audience for this book includes acquisition and processing geophysicists who will work with these data as well as those who require only an overview of the state of the art; and, even though they may not need the full technical details, they may want to know the limitations and advantages of using simultaneous sources.
Land Seismic Case Studies For Near Surface Modeling And Subsurface Imaging
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Author : Öz Yilmaz
language : en
Publisher: SEG Books
Release Date : 2021-06-30
Land Seismic Case Studies For Near Surface Modeling And Subsurface Imaging written by Öz Yilmaz and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-30 with Science categories.
Written for practicing geophysicists, “Land Seismic Case Studies for Near-Surface Modeling and Subsurface Imaging” is a comprehensive guide to understanding and interpreting seismic data. The culmination of land seismic data acquisition and processing projects conducted by the author over the last two decades, this book contains more than nearly 800 figures from worldwide case studies—conducted in both 2D and 3D. Beginning with Chapter 1 on seismic characterization of the near-surface, Chapter 2 presents near-surface modeling by traveltime and full-wave inversion, Chapter 3 presents near-surface modeling by imaging, and then Chapter 4 includes detailed case studies for near-surface modeling. Chapter 5 reviews single- and multichannel signal processing of land seismic data with the key objective of removing surface waves and guided waves that are characterized as coherent linear noise. Uncommon seismic data acquisition methods, including large-offset acquisition in thrust belts to capture the large-amplitude supercritical reflections, swath-line acquisition, and joint PP and SH- SH seismic imaging are highlighted in Chapter 6, and Chapter 7 presents image-based rms velocity estimation and discusses the problem of velocity uncertainty. The final two chapters focus exclusively on case studies: 2D in Chapter 8 and 3D in Chapter 9. An outstanding teaching tool, this book includes analysis workflows containing processing steps designed to solve specific problems. Essential for anyone involved in acquisition, processing, and inversion of seismic data, this volume will become the definitive reference for understanding how the variables in seismic acquisition are directly reflected in the data.
3d Seismic Survey Design
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Author : Gijs J. O. Vermeer
language : en
Publisher: SEG Books
Release Date : 2012
3d Seismic Survey Design written by Gijs J. O. Vermeer 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 Science categories.
Details the properties of 3D acquisition geometries and shows how they naturally lead to the 3D symmetric sampling approach to 3D survey design. Many examples are used to illustrate choices of acquisition parameters, and the link between survey parameters and noise suppression as well as imaging is an intrinsic part of the contents.
Practical Applications Of Time Lapse Seismic Data
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Author : David H. Johnston
language : en
Publisher: SEG Books
Release Date : 2013
Practical Applications Of Time Lapse Seismic Data written by David H. Johnston and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Science categories.
Time-lapse (4D) seismic technology is a key enabler for improved hydrocarbon recovery and more cost-effective field operations. This book shows how 4D data are used for reservoir surveillance, add value to reservoir management, and provide valuable insight on dynamic reservoir properties such as fluid saturation, pressure, and temperature.
Practical Seismic Data Analysis
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Author : Hua-Wei Zhou
language : en
Publisher: Cambridge University Press
Release Date : 2014-01-23
Practical Seismic Data Analysis written by Hua-Wei Zhou and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-23 with Nature categories.
Modern introduction to seismic data processing demonstrating exploration and global geophysics applications through real data and tutorial examples that can be demonstrated with the instructor's software of choice. The underlying physics and mathematics of analysis methods is presented, showing students the limitations and potential for creating models of the sub-surface.
Acquisition And Processing Of Marine Seismic Data
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Author : Derman Dondurur
language : en
Publisher: Elsevier
Release Date : 2018-03-09
Acquisition And Processing Of Marine Seismic Data written by Derman Dondurur and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-09 with Science categories.
Acquisition and Processing of Marine Seismic Data demonstrates the main principles, required equipment, and suitable selection of parameters in 2D/3D marine seismic data acquisition, as well as theoretical principles of 2D marine seismic data processing and their practical implications. Featuring detailed datasets and examples, the book helps to relate theoretical background to real seismic data. This reference also contains important QC analysis methods and results both for data acquisition and marine seismic data processing. Acquisition and Processing of Marine Seismic Data is a valuable tool for researchers and students in geophysics, marine seismics, and seismic data, as well as for oil and gas exploration. - Contains simple step-by-step diagrams of the methodology used in the processing of seismic data to demonstrate the theory behind the applications - Combines theory and practice, including extensive noise, QC, and velocity analyses, as well as examples for beginners in the seismic operations market - Includes simple illustrations to provide to the audience an easy understanding of the theoretical background - Contains enhanced field data examples and applications
Seismic Data Analysis
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Author : Özdoğan Yilmaz
language : en
Publisher: SEG Books
Release Date : 2001
Seismic Data Analysis written by Özdoğan Yilmaz and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
Expanding the author's original work on processing to include inversion and interpretation, and including developments in all aspects of conventional processing, this two-volume set is a comprehensive and complete coverage of the modern trends in the seismic industry - from time to depth, from 3D to 4D, from 4D to 4C, and from isotropy to anisotropy.