Seabed Seismic Techniques
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Seabed Seismic Techniques
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Author : Mundy Obilor Jim
language : en
Publisher: JimArts
Release Date : 2014-12-16
Seabed Seismic Techniques written by Mundy Obilor Jim and has been published by JimArts this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-16 with Science categories.
This book dwells on the fundamentals of seabed seismic in terms of data acquisition, QC and pre-processing. The focus is on receivers placed on the seabed— hydrophones to measure pressure in water (p-waves), geophones or accelerometers to measure vertical particle motion (p-waves) and horizontal particle motion (s-waves). The discussion is mainly on four components (4C) which more or less covers other multi-component seismic techniques. The first three chapters end with a set of exercises that will be of tremendous help within the educational environment. Chapter 1 defines seabed seismic and presents its advantages over conventional marine seismic methods. Experiences or implementation of the technique in some oil fields are given. In chapter 2, some basic signal properties are given, including the PS converted wave process and the derivation of the common conversion point (CCP) approximation formula. Basic data acquisition techniques are treated, including topics like sensor orientation, CCP binning and shear wave splitting. P-wave to S-wave velocity ratio (Gamma) is explained. The basics of QC and processing of seabed seismic data are treated in Chapter 3 where two model processing work-flows are showcased to explain the requisite data processing keys. The improvements in seabed seismic have not been without difficulties. Some of these challenges are treated in Chapter 4.
Seismic Exploration Fundamentals
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Author : J. A. Coffeen
language : en
Publisher: Pennwell Books
Release Date : 1986
Seismic Exploration Fundamentals written by J. A. Coffeen and has been published by Pennwell Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Petroleum categories.
Seismic Exploration Methods
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Author : Ray L. Sengbush
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Seismic Exploration Methods written by Ray L. Sengbush and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This book describes the seismic methods used in geophys ical exploration for oil and gas in a comprehensive, non rigorous, mathematical manner. I have used it and its predecessors as a manual for short courses in seismic methods, and it has been extensively revised time and again to include the latest advances in our truly remark able science. I once called it, "Advanced Seismic Inter pretation," but the geophysicists who attended the courses always wondered when I was going to start dis cussing interpretation. They discovered at the end that I never did discuss interpretation as they knew it. No men tion was made of reflection picking, posting times, map ping, contouring, and things they already knew perfectly well. Instead, I discussed Fourier transforms, sampling theory, impulse responses, distortion operators, Wiener filters, noise in f-k space, velocity spectra, wave-equation migration, and direct detection of hydrocarbons as each of these topics appeared on the seismic scene. I wanted the geophysicists to think beyond the routine ofinterpre tation, to develop a better understanding of why seismic sections look as they do, to have a better feel for what digital processing is doing, for good or evil, to the seismic data. I attempted to stretch their minds. Whitehead said it best: "A mind once stretched by a new idea can never shrink to its former dimension. " May this book be a suc cessful mind-stretcher. R. L.
Marine Geophysics
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Author : E. J. W. Jones
language : en
Publisher: John Wiley & Sons
Release Date : 1999-10-18
Marine Geophysics written by E. J. W. Jones and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-10-18 with Science categories.
Provides a comprehensive review of techniques used to explore the oceans and examines what geophysical observations reveal about the structure and tectonics of the seabed and the Earth's interior. Exploration of the oceans using geophysical methods has had a profound effect on the way we view the structure of the earth and its behaviour through geological time. Geophysics has also played a vital role in the search for petroleum and other natural resources lying beneath the seabed. This volume looks at: * the means of locating observations accurately and determining in detail the morphology of the sea floor * the powerful seismic techniques for imaging the Earth's interior from shallow coastal areas to deep-sea trenches * the gravity and magnetic fields over the oceans, heat flow, electrical and radiometric methods and measurements in offshore boreholes * geophysical observations on the development of the modern oceans, the structure of their deep basins, and the nature of their aseismic and seismically active margins. This book will be of interest to marine scientists and advanced undergraduates and postgraduates following courses on, or undertaking research in, geophysics, marine geology, oceanography, physical sciences, remote sensing, marine surveying and offshore engineering.
Ocean Seismo Acoustics
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Author : T. Akal
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Ocean Seismo Acoustics written by T. Akal and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
Seafloor investigation has long been a feature of not only seismology but also of acoustics. Indeed it was acoustics that produced depth sounders, giving us the first capability of producing both global and local maps of the seafloor. Subsequently, better instrumentation and techniques led to a clearer, more quantitative picture of the seabed itself, which stimulated new hypotheses such as seafloor spreading through the availability of more reliable data on sediment thickness over ocean basins and other bottom features. Geologists and geophysicists have used both acoustic and seismic methods to study the seabed by considering the propagation of signals arising from both natural seismic events and man-made impulsive sources. Although significant advances have been made in instrumentation, such as long towed geophysical arrays, ai r guns and ocean bot tom seismometers, the pic ture of the seafloor is still far from complete. Underwater acoustics concerns itself today with the phenomena of propagation and noise at frequencies and ranges that require an understanding of acoustic interaction at both of its boundaries, the sea surface and seafloor, over depths ranging from tens to thousands of meters. Much of the earlier higher frequency (>1 kHz) work included the characterization of the seafloor in regimes of reflection coefficients which were empirically derived from surveys. The results of these studies met with only limited success, confined as they were to those areas where survey data existed and lacking a physical understanding of the processes of reflection and scattering.
Shelf Fluvial Paleo Structures Seabed Seismic Acoustic View
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Author : Mikhail Klyuev
language : en
Publisher: Springer Nature
Release Date : 2023-04-12
Shelf Fluvial Paleo Structures Seabed Seismic Acoustic View written by Mikhail Klyuev and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-12 with Science categories.
The book considers the riverine paleo structures of the coastal marine zone from the point of view of marine bottom seismic acoustics. The authors describe the mechanisms of the origin and features of riverine paleo structures in the coastal marine area. The methods applied for this kind of research have been developed and explained comprehensively, including geomorphology and interpretation of seismic acoustic facies. Besides, the authors also propose a classification of morphological features, signs and technology of recognition, as well as methods for mapping of coastal river facies supported by an extensive list of literary sources is given. The book will be of interest to marine geophysicists, marine geologists, and those interested in new methods to approach marine problems worldwide.
Handbook Of Geophysical Exploration At Sea
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Author : Richard A. Geyer
language : en
Publisher: CRC Press
Release Date : 2019-11-11
Handbook Of Geophysical Exploration At Sea written by Richard A. Geyer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-11 with Science categories.
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.
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.
High Resolution Site Surveys
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Author : Roger Parkinson
language : en
Publisher: CRC Press
Release Date : 2000-12-07
High Resolution Site Surveys written by Roger Parkinson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-12-07 with Architecture categories.
High Resolution Site Surveys brings together the full range of site surveying techniques for the first time, to provide a unified approach to marine and land-based resolution surveying.Detailed descriptions are given of digital seismic survey methods, hydrographic 'analogue' search and survey tools, non-seismic survey techniques, and positioning sy
Acoustic Investigation Of Complex Seabeds
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Author : Jacques Yves Guigné
language : en
Publisher: Springer
Release Date : 2017-02-10
Acoustic Investigation Of Complex Seabeds written by Jacques Yves Guigné and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-10 with Science categories.
Offshore drilling and constructions require exact knowledge of the geophysical properties of the seabed and sub-seabed, as unexpected objects can slow down or halt projects. This book presents the state-of-the-art in acoustic exploration of the seabed and sub-seabed, from initial designs in the 1980s to commercial contracting and operation of the Acoustic CorerTM in the last decade. The Acoustic CorerTM is a high-definition commercial acoustic sub-bottom imaging system, producing an “acoustic core” within which sub-seabed sedimentary characteristics and discrete buried objects larger than 0.5 m can be identified and mapped. It makes use of the innovative JYG-cross design, inspired by seismic reflection and uses Synthetic Aperture Sonar (SAS) multi-angle scattering in and within the seabed to deliver unprecedented imagery. This book was written by the inventor of these concepts, a known specialist in seabed acoustics, with help from an experienced academic and author. It is intended first and foremost as a “how-to” guide for offshore industries looking at techniques to make the installation of different types of structures safe and efficient.