Migration of multicomponent seismic data using elastic screen method xiaobi xie and rushan wu, institute of geophysics and planetary physics, university of california, santa cruz, ca 95064 summary a complex screen propagator for elastic waves is used in multicomponent seismic migration and imaging. Thus, the main aim of the study presented here is to assess and characterize the. Multicomponent seismic processing for coherent noise. Seismic data processing geos 469569 spring 2006 geos 469569 is a mix of digital filtering theory and practical applications of digital techniques to assemble and enhance images of subsurface geology. The main emphasis of this large format book is on the practical application of seismic data processing methods. Nov 30, 2015 multicomponent data acquisition, processing and interpretation. The inversion forces the synthetic data to fit the.
Seismic data acquisition and analysis in the petroleum industry is a multibillion dollar activity. There is a variety of multicomponent seismology geometries in industry. Suite of tools to remove coherent and random noise in land and marine seismic data, including wind and swell noise, mud roll, ambient noise, and seismic interference. Previously, there had been little effort to acquire and use shearwave s. Previously, there had been little effort to acquire and use shearwave swave seismic data in. Such organization usually relieves the modules of any need of buffering or sorting of the data, allows easy navigation within the data set, even within the entire scope of the seismic job, and a new system for multicomponent seismic processing 691 structured sequences of trace ensembles process phase subroutines figure 1. In order to design a multicomponent measurement bench dedicated to smallscale physical seismic simulation, we upgraded the musc bench first built by bretaudeau et al. This text provides a complete introduction to geophysical data processing.
It explores the complementary features of geophysical techniques in better understanding, characterizing, producing and monitoring reservoirs. Multicomponent seismology in petroleum exploration seg library. Digital filtering theory applies to virtually any sampled information in time e. Multicomponent seismic technology is extremely effective in reducing the risks involved in reservoir development, routinely extending the use of seismic data into the reservoir domain. Buy seismic data processing investigations in geophysics, vol 2 on free shipping on qualified orders. Constraints can be imposed on the data and model space through covariance matrices. Seismic data consists of a series of recorded wiggle traces that describe a set of echoes from interfaces between rock layers in the subsurface that have. Seismic stratigraphy analyses, then, should be based on interpreting p and s data in combination the full elastic wavefield rather than restricting. Joint inversion in the seismicpetrophysical integration context what has the driller in common with the problematic of seismicpetrophysical integration finalized to the refinement of the seismic inversion process. Practical interpretation of multicomponent seismic data. Multicomponent technology can be applied in both reservoir development and exploration environments to help resolve many seismic and geological challenges.
A principle that is emphasized throughout this book is that the physics of any multicomponent seismic technology cannot be understood unless that technology is viewed in terms of the particledisplacement vectors associated with the various modes of a seismic wavefield. The study area lies in the central part of cambay basin, india, where exploration encounters many challenges. A primary aim of this book is to explain the process of inverse modelling. All forms of multicomponent seismic data are considered three component, four. Pdf we illustrate the applications on real data sets of three algorithms of multicomponent seismic processing implemented by means of. Click download or read online button to get multicomponent seismology in petroleum exploration book now. Illuminates geophysical and mathematical concepts with exemplar computer code and applications using acoustic, seismic, radar, astrophysical, and xray probe data to create images of tops and bottoms of lake and ocean, a volcano.
Seismic exploration plays a major role in the search for hydrocarbons and requires three main stages. This book is published in under open access creative commons license ccby ncnd. Seismic data processing investigations in geophysics, vol. Multicomponent processing and transforms monday afternoon, october 24th offline imaging using 3component seismic data ye zheng and robert r. Seismic data processing by oz yilmaz, preface sam mashuris. It provides students and practising exploration geologists and geophysicists with uptodate information on computer systems, data processing, time series analysis, seismic data processing, migration and inversion theory and practice. Elements of 3d seismology is a thorough introduction to the acquisition, processing, and interpretation of 3d seismic data. A potential seismic application for reservoir characterization. Lawtoninterpretation of 3d multicomponent seismic data for investigating natural fractures in the horn. Multicomponent seismology came as a solution to most limitations encountered in pwave imaging. With the advent of land and marine seismic data acquisition and processing particularly the development of the digital multicomponent sensors, more successful.
Through geologic reconnaissance on the site, shallow layer drilling analysis and multicomponent seismic experiments, the offshore acquisition flows are designed. This involves, for example 3c2d, 3c3d, 3c4d, 4c2d, 4c3d, 4c4d and 9c3d 3component. Seismic data acquired in a land, marine, or borehole environment by using more than one geophone or accelerometer. For the data space, signal polarization information can be used to evaluate the data uncertainties. Each wiggle trace is the record, in time, of when sound from each source. A new system for multicomponent seismic processing. Ocean bottom seismic processing maximize the value of your multicomponent data. Wave field extrapolation should therefore be based on the full elastic wave equation. Seismic processing on the p data volume was completed last month, giving you a head start on interpreting the main geologic horizons.
Society of exploration geophysicists much has changed since seg published a comprehensive book on multicomponent seismic technology in 1991. Migration of multicomponent seismic data using elastic. Multicomponent seismic multicomponent seismic technology geophysical references seismic loads guide to the seismic load provisions of asce 716 seismic loads guide to the seismic load provisions of asce 710 pdf seismic evaluation and retrofit of existing buildings 4117 seismic evaluation and retrofit of exi seismic evaluation and retrofit. This software is called the crewes matlab software library cmsl and accompanies the textbook numerical methods of exploration seismology. Please refer to the back cover for a glossary explaining the many acronyms and abbreviations used in the discussion of multicomponent. The book will be of interest to researchers in multicomponent seismic. Multicomponent data processing multicomponent seismic. Seismic american association of petroleum geologists. The book will be appreciated by those who shun mathematical theory because it explains principles and concepts with real data rather than with mathematical equations.
Geosciences free fulltext constrained full waveform. Biondi seismic images are crucial to todays exploration and reservoir monitoring. Multicomponent seismologythe use of concurrent, combined shear s and compressional pwave seismologyis gaining acceptance in the exploration community as one tool that can provide direct measurements of subsurface rock properties. Much has changed since seg published a comprehensive book on multicomponent seismic technology in 1991. With the advent of land and marine seismic data acquisition and processing particularly the development of the digital. This involves, for example 3c2d, 3c3d, 3c4d, 4c2d, 4c3d, 4c4d and 9c3d 3component shear source recorded by 3component sensor. Since the introduction of digital recording, a routine sequence in seismic data processing has evolved. Jun 07, 20 the seismic method plays a prominent role in the search for hydrocarbons. Pdf processing of multicomponent seismic data by means of. The book focuses on applications of multicomponent seismology with emphasis. Computer processing of multicomponent seismic data is substantially more complex than conventional pwave seismic data processing. Seismic data consists of a series of recorded wiggle traces that describe a set of echoes from interfaces between rock layers in the subsurface that have different rock properties. For processing of multicomponent seismic data, ignoring swaves can no longer be justified. Reservoir characterization, such as fracture analysis, can yield better results when using multicomponent data.
Purchase geophysics for petroleum engineers, volume 60 1st edition. A fundamental thesis of elastic wavefield seismic stratigraphy or multicomponent seismic stratigraphy is that swave seismic data have equal value to pwave data for geological interpretation. Constrained full waveform inversion for borehole multicomponent. The current resurgence of multicomponent seismic on land is a result of acquisition advances, specifically the development of digital multicomponent sensors micro electro mechanical system, or mems and processing developments including statics, noise attenuation advances such as polarization filters and prestack migration. This book is intended to help the seismic analyst understand the fundamentals of the techniques used in processing seismic data. The seismic method plays a prominent role in the search for hydrocarbons. The theory will then be illustrated and reinforced by synthetic data examples and finally put to the test on a real dataset.
Multicomponent seismic data processing is a complex subject that would require a separate book to cover all aspects o the topic in a thorough manner. Choosing appropriate processing flows for converted waves and paying attention to the key tache of processing, a high quality 2d converted wave section was obtained. Miller a thesis submitted to the faculty of graduate studies in partial fulfilment of the requirements for the degree of master of science department of geology and geophysics calgary, alberta december 1996 susan l. We also have many ebooks and user guide is also related with seismic reflection processing pdf, include. When properly processed, pp compressional and psv convertedshear images made from 4c seismic data acquired in deep water with seafloor sensors show nearseafloor geology with amazing detail. This site is like a library, use search box in the widget to get ebook. The book will be of interest to researchers in multicomponent seismic technology and to explorationists who have to locate and exploit energy resources. Multicomponent seismology in petroleum exploration. Multicomponent seismic monitoring chapter 5 geophysics.
Migration of multicomponent seismic data using elastic screen. Multicomponent seismic technology geophysical references series. Pdf processing of multicomponent seismic data by means. This chapter summarizes only basic principles and is not intended to be a complete treatise on multicomponent data processing concepts and strategies. This basic sequence now is described to gain an overall understanding of each step. Title summary field provided by blackwell north america, inc. Complicated geological structures, variable pwave velocity change in sand versus shale in older cambay units, lower. Multicomponent seismic technology geoscienceworld books. Join, renew or reinstate membership vote now election. Fullwaveform inversion for borehole seismic data is an illposed problem and constraining the problem is crucial. Dec 23, 2015 ali added it dear sir ozdogan, i need to your book seismic data processing, if. Introduction to petroleum seismology second edition. Today the corresponding ps seismic volume has arrived and you are ready to begin your first multicomponent seismic interpretation project. Multicomponent seismic data have unique value for studying nearseafloor geology in deepwater environments.
In such environments, conventional seismic with the compressional p wave alone proved to be insufficient. Multicomponent seismic data interpretation by susan l. Introduction to vectorprocessing techniques for multi. The current volume, multicomponent seismic technology seg geophysical references series no. Multicomponent data acquisition, processing and interpretation. The principle documented by this example is that an elastic wavefield seismic stratigraphy interpretation based on both pp and psv data can provide a different and often a more valid geological model of seismic sequence boundaries and seismic facies than can a singlemode seismic stratigraphy interpretation based on pp data only. Multicomponent seismic data involves 3component geophones that enable the recording of shear or swaves as well as compressional or pwaves. Processing of multicomponent seismic data by means of quaternion algorithms conference paper pdf available in bollettino di geofisica teorica ed applicata 534. This third edition is a major update of the second edition. The eight articles included in this special section discuss different aspects of multicomponent seismic exploration ranging from case studies, to processing advances, timelapse modeling and swave splitting, and show how the multicom. There are three primary steps in processing seismic data deconvolution, stacking, and migration, in their usual order of application. Multicomponent seismology in petroleum exploration download. This book treats the processing of a subset of seismic data, those in digital forms.
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