?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F177%2F&rft.title=A+Seismic+Inversion+Problem+for+an+Anisotropic%2C+Inhomogeneous+Medium&rft.creator=Wheaton%2C+Chad&rft.subject=Energy+and+utilities&rft.description=In+this+report%2C+we+consider+the+propagation+of+seismic+waves+through+a+medium+that+can+be+subdivided+into+of+two+distinct+parts.+The+upper+part+is+assumed+to+be+azimuthally+symmetric%2C+linearly+nonuniform+with+increasing+depth%2C+and+the+velocity+dependence+with+direction+consistent+with+elliptical+anisotropy.+The+lower+part%2C+which+is+the+layer+of+interest%2C+is+assumed+to+also+be+azimuthally+symmetric%2C+but+uniform+and+nonelliptically+anisotropic.+Despite+nonellipticity%2C+we+assume+the+angular+dependence+of+the+velocity+can+be+described+by+a+convex+curve.+%0A%0AOur+goal+is+to+produce+a+single+source-single+receiver+model+which+uses+modern+seismic+measurements+to+determine+the+elastic+moduli+of+the+lower+media.+Once+known%2C+geoscientists+could+better+describe+the+angular+dependence+of+the+velocity+in+the+layer+of+interest+and+also+would+have+some+clues+at+to+the+actual+material+composing+it.&rft.date=2002&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F177%2F1%2Ftalisman_energy.pdf&rft.identifier=++Wheaton%2C+Chad++(2002)+A+Seismic+Inversion+Problem+for+an+Anisotropic%2C+Inhomogeneous+Medium.++%5BStudy+Group+Report%5D+++++