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Author : Jack Ashley
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book 3D Full Waveform Inversion of Narrow-azimuth Towed-streamer Seismic Data written by Jack Ashley and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tatiana Kalinicheva
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)
Download or read book Full Waveform Inversion of Narrow-azimuth Towed-streamer Seismic Data written by Tatiana Kalinicheva and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rebecca Bell
Publisher : Elsevier
ISBN 13 : 0128196920
Total Pages : 384 pages
Book Rating : 4.1/5 (281 download)
Download or read book Interpreting Subsurface Seismic Data written by Rebecca Bell and published by Elsevier. This book was released on 2022-05-27 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interpreting Subsurface Seismic Data presents recent advances in methodologies for seismic imaging and interpretation across multiple applications in geophysics including exploration, marine geology, and hazards. It provides foundational information for context, as well as focussing on recent advances and future challenges. It offers detailed methodologies for interpreting the increasingly vast quantity of data extracted from seismic volumes. Organized into three parts covering foundational context, case studies, and future considerations, Interpreting Subsurface Seismic Data offers a holistic view of seismic data interpretation to ensure understanding while also applying cutting-edge technologies. This view makes the book valuable to researchers and students in a variety of geoscience disciplines, including geophysics, hydrocarbon exploration, applied geology, and hazards. - Presents advanced seismic detection workflows utilized cutting-edge technologies - Integrates geophysics and geology for a variety of applications, using detailed examples - Provides an overview of recent advances in methodologies related to seismic imaging and interpretation
Author : David J. Monk
Publisher : SEG Books
ISBN 13 : 1560803703
Total Pages : 215 pages
Book Rating : 4.5/5 (68 download)
Download or read book Survey Design and Seismic Acquisition for Land, Marine, and In-between in Light of New Technology and Techniques written by David J. Monk and published by SEG Books. This book was released on 2020-02-03 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seismic surveys are subject to many different design criteria, but often the parameters are established based on an outdated view of how data can be acquired and how it will be processed. This book highlights what is possible using modern acquisition methods, techniques, and equipment, and how these may impact seismic survey design and acquisition.
Author : Po Chen
Publisher : Springer
ISBN 13 : 3319166042
Total Pages : 543 pages
Book Rating : 4.3/5 (191 download)
Download or read book Full-3D Seismic Waveform Inversion written by Po Chen and published by Springer. This book was released on 2015-09-10 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces a methodology for solving the seismic inverse problem using purely numerical solutions built on 3D wave equations and which is free of the approximations or simplifications that are common in classical seismic inversion methodologies and therefore applicable to arbitrary 3D geological media and seismic source models. Source codes provided allow readers to experiment with the calculations demonstrated and also explore their own applications.
Author : Akela Silverton
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book Full Waveform Inversion of 3D Seismic Data written by Akela Silverton and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Biondo Biondi
Publisher : SEG Books
ISBN 13 : 1560801379
Total Pages : 248 pages
Book Rating : 4.5/5 (68 download)
Download or read book 3D Seismic Imaging written by Biondo Biondi and published by SEG Books. This book was released on 2006 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM includes PDF slides for teaching the material in the book and the C3-narrow-azimuth classic data set.
Author : Gijs J. O. Vermeer
Publisher : SEG Books
ISBN 13 : 1560803037
Total Pages : 369 pages
Book Rating : 4.5/5 (68 download)
Download or read book 3D Seismic Survey Design written by Gijs J. O. Vermeer and published by SEG Books. This book was released on 2012 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : G. Goffey
Publisher : Geological Society of London
ISBN 13 : 1786204754
Total Pages : 1076 pages
Book Rating : 4.7/5 (862 download)
Download or read book United Kingdom Oil and Gas Fields written by G. Goffey and published by Geological Society of London. This book was released on 2020-12-03 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological Society Memoir 52 records the extraordinary 50+ year journey that has led to the development of some 458 oil and gas fields on the UKCS. It contains papers on almost 150 onshore and offshore fields in all of the UK’s main petroliferous basins. These papers range from look-backs on some of the first-developed gas fields in the Southern North Sea, to papers on fields that have only just been brought into production or may still remain undeveloped, and includes two candidate CO2 sequestration projects. These papers are intended to provide a consistent summary of the exploration, appraisal, development and production history of each field, leading to the current subsurface understanding which is described in greater detail. As such the Memoir will be an enduring reference source for those exploring for, developing, producing hydrocarbons and sequestering CO2 on the UKCS in the coming decades. It encapsulates the petroleum industry’s deep subsurface knowledge accrued over more than 50 years of exploration and production.
Author : Hamish Wilson
Publisher : Cambridge University Press
ISBN 13 : 1108842887
Total Pages : 357 pages
Book Rating : 4.1/5 (88 download)
Download or read book Integration of Geophysical Technologies in the Petroleum Industry written by Hamish Wilson and published by Cambridge University Press. This book was released on 2021-12-16 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of geophysical technologies, how they should be deployed and integrated for improved petroleum exploration and production.
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (684 download)
Download or read book 3-D Full Waveform Inversion of Seismic Data ; Part I. Theory written by and published by . This book was released on 2003 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full waveform inversion of seismic data is a challenging subject partly because of the lack of precise knowledge of the source. Since currently available approaches involve some form of approximations to the source, inversion results are subject to the quality and the choice of the source information used. A new full waveform inversion scheme has been introduced (Lee and Kim, 2003) using normalized wavefield for simple two-dimensional (2-D) scalar problems. The method does not require source information, so potential inversion errors due to source estimation may be eliminated. A gather of seismic traces is first Fourier-transformed into the frequency domain and a normalized wavefield is obtained for each trace in the frequency domain. Normalization is done with respect to the frequency response of a reference trace selected from the gather, so the complex-valued normalized wavefield is source-independent and dimensionless. The inversion algorithm minimizes misfits between measured normalized wavefield and numerically computed normalized wavefield. In this paper the full waveform inversion is extended to three-dimensional (3-D) problems.
Author : Ahmed Musallam Ali Al-Yaqoobi
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (93 download)
Download or read book Full-waveform Inversion To 3D Seismic Land Data written by Ahmed Musallam Ali Al-Yaqoobi and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Biondo Biondi
Publisher : SEG Books
ISBN 13 : 1560801395
Total Pages : 265 pages
Book Rating : 4.5/5 (68 download)
Download or read book Concepts and Applications in 3D Seismic Imaging written by Biondo Biondi and published by SEG Books. This book was released on 2007 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Lluis Guasch
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (827 download)
Download or read book 3D Elastic Full-waveform Inversion written by Lluis Guasch and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Full Waveform Inversion (FWI) is a depth imaging technique that takes advantage of the full information contained in recorded seismic data. FWI provide high resolution images of subsurface properties, usually seismic velocities or related parameters, although in theory it could image any property used to formulate the wave equation. The computational cost of the methodology has historically limited its application to 3D acoustic approximations but recent developments in hardware capabilities have increased computer power to the point that more realistic approximations are viable. In this work the traditional acoustic approximation is extended to include elastic effects by introducing the elastic wave equation as the governing law that describes wave propagation. I have developed a software based on finite-differences to solve the elastic wave equation in 3D, which I applied in the development of a full-waveform inversion algorithm. The software is fully parallelised for both distributed and shared-memory systems. The first level of parallelisation distributes seismic sources across cluster nodes. Each node solves the 3D elastic wave equation in the whole computational domain. The second level of parallelisation takes advantage of present multi-core computer processor units (CPU) to decompose the computational domain into different volumes that are solved independently by each core. Such parallel design allows the algorithm to handle models of realistic sizes, increasing the computational times only a factor of two compared to those of 3D acoustic full-waveform inversion on the same mesh. I have also implemented a perfectly matched layer absorbing boundary condition to reproduce a semi-infinite model geometry and prevent spurious reflections from the model boundaries from contaminating the modelled wavefields. The inversion algorithm is based upon the adjoint-state method, which I reformulated for the wave equation that I implemented, which was based on particle-velocities and stresses, providing a comparison and demonstration of equivalence with previous developments. To examine the performance of the code, I have inverted several synthetic problems of increasing realism. I have principally used only pressure sources and receivers to assess the potential of the method's application to the most common industry surveys: streamer data for offshore and vertical geophones (only one component) for onshore exploration surveys. The results show that the imaged properties increase with the heterogeneity of the models, due to the increase in P-S-P conversions which provides the main source of information to invert shear-wave velocity models from pressure sources and receivers. It remains to demonstrate the inversion of field datasets and my future research project will focused on achieving this goal.
Author : Tenice Peaches Nangoo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Seismic Full-waveform Inversion of 3D Field Data written by Tenice Peaches Nangoo and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : VVAA
Publisher : Vision Libros coedición Editorial Don Quijote
ISBN 13 : 8490117020
Total Pages : 204 pages
Book Rating : 4.4/5 (91 download)
Download or read book Salt boundaries written by VVAA and published by Vision Libros coedición Editorial Don Quijote. This book was released on 2017-03-13 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: We live in this planet since time immemorial, a tiny dot in an ocean of darkness. All the people we know and love live here. Here are our dreams and our disappointments. This planet is our country; this planet is us. In this planet we live as our ancestors did. This land belongs to all religions, faiths and their representatives, teachers of ethics, fair men, people who create but also people who destroy. Some people whose only goal is ending up with the civilization. Corrupt people who do not respect the essence of the human being and whose desire is their enrichment based on the death of others. War lords turned this planet into a theatre where they represent a terrible play in which the death is the main character. A play in which blood flows as rivers and floods the corpses of its innocent victims. Why is this happening? Why this willingness to kill each other it is so uncontrollable? I know that nobody will come to help us in case of a hecatomb; a savior will not come from another planet to rid us of ourselves. There is no place for us to flee or to emigrate to. Why do not we treat ourselves with love and respect? Why do not we build rather than destroy? Why is the human being so selfish? This planet is our homeland. This planet is us, and we are killing it. Why do not we unite our voices against those doers of death? A unique voice that defends the right of a dignified, safe and peaceful life. A unique voice that raises against destruction, death, torture and exiles caused by wars. No one wants to be forced to leave behind his family or friends. No one wants to leave his land, the place of his childhood or deprive his children of it. (Con ilustraciones a color y texto a varios idiomas).
Author : Theodosius Marwan Irnaka
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (124 download)
Download or read book 3D Elastic Full Waveform Inversion for Subsurface Characterization.Study of a Shallow Seismic Multicomponent Field Data written by Theodosius Marwan Irnaka and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full Waveform Inversion (FWI) is an iterative data fitting procedure between the observed data and the synthetic data. The synthetic data is calculated by solving the wave equation. FWI aims at reconstructing the detailed information of the subsurface physical properties. FWI has been rapidly developed in the past decades, thanks to the increase of the computational capability and the development of the acquisition technology. FWI also has been applied in a broad scales including the global, lithospheric, crustal, and near surface scale.In this manuscript, we investigate the inversion of a multicomponent source and receiver near-surface field dataset using a viscoelastic full waveform inversion algorithm for a shallow seismic target. The target is a trench line buried at approximately 1 m depth. We present the pre-processing of the data, including a matching filter correction to compensate for different source and receiver coupling conditions during the acquisition, as well as a dedicated multi-step workflow for the reconstruction of both P-wave and S-wave velocities. Our implementation is based on viscoelastic modeling using a spectral element discretization to accurately account for the wave propagation's complexity in this shallow region. We illustrate the inversion stability by starting from different initial models, either based on dispersion curve analysis or homogeneous models consistent with first arrivals. We recover similar results in both cases. We also illustrate the importance of taking into account the attenuation by comparing elastic and viscoelastic results. The 3D results make it possible to recover and locate precisely the trench line in terms of interpretation. They also exhibit another trench line structure, in a direction forming an angle at 45 degrees with the direction of the targeted trench line. This new structure had been previously interpreted as an artifact in former 2D inversion results. The archaeological interpretation of this new structure is still a matter of discussion.We also perform three different experiments to study the effect of multicomponent data on this FWI application. The first experiment is a sensitivity kernel analysis of several wave packets (P-wave, S-wave, and surface wave) on a simple 3D model based on a Cartesian based direction of source and receiver. The second experiment is 3D elastic inversion based on synthetic (using cartesian direction's source) and field data (using Galperin source) with various component combinations. Sixteen component combinations are analyzed for each case. In the third experiment, we perform the acquisition's decimation based on the second experiment. We demonstrate a significant benefit of multicomponent data FWI in terms of model and data misfit through those experiments. In a shallow seismic scale, the inversions with the horizontal components give a better depth reconstruction. Based on the acquisition's decimation, inversion using heavily decimated 9C seismic data still produce similar results compared to the inversion using 1C seismic of a dense acquisition.
