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Author T︠S︡vankin, I. D
Title Seismology of azimuthally anisotropic media and seismic fracture characterization [electronic resource] / Ilya Tsvankin and Vladimir Grechka
Imprint Tulsa, Okla. (8801 South Yale St., Tulsa OK 74137-3175) : Society of Exploration Geophysicists, c2011
book jacket
Descript electronic text (xvii, 491 p.) : ill. (some col.), digital file
Series Geophysical references series ; no. 17
Geophysical references ; v. 17
SEG Digital Library
Note "SEG Digital Library"--Website
Includes bibliographical references (p. 463-480) and indexes
1. Normal-moveout (NMO) ellipse and generalized dix equation -- 2. Inversion of P-wave NMO ellipses -- 3. Nonhyperbolic moveout analysis of wide-azimuth P-wave data -- 4. Joint processing of PP and PS data -- 5. Moveout inversion of multicomponent data for TI media -- 6. Moveout inversion of multicomponent data for lower symmetries -- 7. Estimation of anisotropy from VSP data -- 8. Prestack amplitude analysis of wide-azimuth data -- 9. Seismic characterization of natural fractures -- 10. References -- 11. Index
Restricted to subscribers or individual electronic text purchasers
Petroleum abstracts
Because most sedimentary rocks encountered in oil and gas exploration are effectively anisotropic, it is imperative to properly estimate seismic anisotropy and incorporate it into data-processing and imaging algorithms. Seismology of Azimuthally Anisotropic Media and Seismic Fracture Characterization (SEG Geophysical References Series No. 17) presents a systematic analysis of seismic signatures for azimuthally anisotropic media and describes anisotropic inversion/processing methods for wide-azimuth reflection data and VSP (vertical seismic profiling) surveys. The main focus is on kinematic parameter-estimation techniques operating with P-waves as well as with the combination of PP and PS (mode-converted) data. The part devoted to prestack amplitudes includes azimuthal AVO (amplitude variation with offset) analysis and a concise treatment of attenuation coefficients, which are highly sensitive to the presence of anisotropy. Discussion of fracture characterization is based on modern effective media theories and illustrates both the potential and limitations of seismic methods. Field-data examples highlight the improvements achieved by accounting for anisotropy in seismic processing, imaging, and fracture detection
Also available in print version
Mode of access: World Wide Web
System requirements: Adobe Acrobat Reader
Title from PDF title page (SEG eBooks Website, viewed February 20, 2012)
Link Print version: 1560802286 9781560802280 (DLC) 2011002794
Subject Seismic waves
Rock deformation -- Measurement
Electronic books
Alt Author Grechka, V. I︠U︡
Society of Exploration Geophysicists
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