Offset-dependent Reflectivity: Theory and Practice of AVO AnalysisJohn P. Castagna, Milo M. Backus Recognizing the need for education and further research in AVO, the editors have compiled an all-encompassing treatment of this versatile technology. In addition to providing a general introduction to the subject and a review of the current state of the art, this unique volume provides useful reference materials and data plus original contributions at the leading edge of AVO technologies. |
Contents
PseudoshearThe analysis of AVO | 37 |
Prestack analysisAn integrated approach for seismic interpretation in clastic basins 57 | 57 |
Properties of direct AVO hydrocarbon indicators | 78 |
Copyright | |
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59th Ann acoustic acoustic impedance amplitude variation amplitude versus offset angle of incidence anisotropy attenuation AVO analysis AVO data AVO response Backus bright spots brine sand bulk modulus calculated Castagna Chiburis clay CMP gather compressional contrast correction curves deconvolution depth effect errors estimate Expanded Abstracts Expl field data fluid factor frequency ft/s function gas sand Geophys Geophysics gm/cc hydrocarbon impedance incident angle indicator interface Internat interpretation inversion isotropic km/s layer linear lithology measurements method model parameters modulus moveout noise offset-dependent P-SV P-wave reflection percent Poisson's ratio pore porosity pressure processing pseudo-shear reflection amplitude reflection coefficient reflector relative reservoir rock S-wave velocity sandstones saturation seismic data seismograms shale shear shear-wave shown in Figure shows sin² sonic log synthetic seismograms target thickness tion traces traveltime variation with offset vertical Vp/Vs ratios wave wavelet zero zero-offset Zoeppritz equations