A Field Example Of Fracture Analysis Using Shear Wave Conversions From Near Offset Vsp Abstract
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Extended Abstracts Book
Author | : EAGE Conference and Technical Exhibition. Meeting |
Publisher | : |
Total Pages | : 1148 |
Release | : 1997 |
Genre | : Prospecting |
ISBN | : |
Extended Abstracts Book
Author | : European Association of Geoscientists and Engineers. Meeting |
Publisher | : |
Total Pages | : 1076 |
Release | : 1998 |
Genre | : Geophysics |
ISBN | : |
Report of the British Geological Survey for ...
Author | : British Geological Survey |
Publisher | : |
Total Pages | : 84 |
Release | : 1998 |
Genre | : Geology |
ISBN | : |
3C Seismic and VSP: Converted waves and vector wavefield applications
Author | : James Gaiser |
Publisher | : SEG Books |
Total Pages | : 637 |
Release | : 2016-06-30 |
Genre | : Science |
ISBN | : 1560803355 |
3C seismic applications provide enhanced rock property characterization of the reservoir that can complement P-wave methods. Continued interest in converted P- to S-waves (PS-waves) and vertical seismic profiles (VSPs) has resulted in the steady development of advanced vector wavefield techniques. PS-wave images along with VSP data can be used to help P-wave interpretation of structure in gas obscured zones, of elastic and fluid properties for lithology discrimination from S-wave impedance and density inversion in unconventional reservoirs, and of fracture characterization and stress monitoring from S-wave birefringence (splitting) analysis. The book, which accompanies the 2016 SEG Distinguished Instructor Short Course, presents an overview of 3C seismic theory and practical application: from fundamentals of PS-waves and VSPs, through to acquisition and processing including interpretation techniques. The emphasis is on unique aspects of vector wavefields, anisotropy, and the important relationships that unify S-waves and P-waves. Various applications and case studies demonstrate image benefits from PS-waves, elastic properties and fluid discrimination from joint inversion of amplitude variations with offset/angle (AVO/A), and VSP methods for anisotropic velocity model building and improved reservoir imaging. The book will be of interest to geophysicists, geologists, and engineers, especially those involved with or considering the use of AVO/A inversion, fracture/stress characterization analyses, or interpretation in gas-obscured reservoirs.
Extended Abstracts Book
Author | : EAGE Conference & Exhibition. Meeting |
Publisher | : |
Total Pages | : 1506 |
Release | : 2002 |
Genre | : Geophysics |
ISBN | : |
Rock Fractures and Fluid Flow
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 568 |
Release | : 1996-08-27 |
Genre | : Science |
ISBN | : 0309049962 |
Scientific understanding of fluid flow in rock fracturesâ€"a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storageâ€"has grown significantly in the past 20 years. This volume presents a comprehensive report on the state of the field, with an interdisciplinary viewpoint, case studies of fracture sites, illustrations, conclusions, and research recommendations. The book addresses these questions: How can fractures that are significant hydraulic conductors be identified, located, and characterized? How do flow and transport occur in fracture systems? How can changes in fracture systems be predicted and controlled? Among other topics, the committee provides a geomechanical understanding of fracture formation, reviews methods for detecting subsurface fractures, and looks at the use of hydraulic and tracer tests to investigate fluid flow. The volume examines the state of conceptual and mathematical modeling, and it provides a useful framework for understanding the complexity of fracture changes that occur during fluid pumping and other engineering practices. With a practical and multidisciplinary outlook, this volume will be welcomed by geologists, petroleum geologists, geoengineers, geophysicists, hydrologists, researchers, educators and students in these fields, and public officials involved in geological projects.