AVA observations in walkaround VSPs

1997 SEG Annual Meeting

Volumn , Issue , 1997, Pages 290-293

  Home, Steve ^a   Macbeth, Colin ^a  

^a Edinburgh Anisotropy Project BGS   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

SEISMIC WAVES; SHEAR WAVES;

AMPLITUDE VARIATIONS; P WAVES; PROPAGATION ANGLE; SYSTEMATIC VARIATION;

SHEAR FLOW;

EID: 79952798472     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1190/1.1885887     Document Type: Conference Paper

References (10)

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3. Hudson, J. A., Liu, E. and Crampin, S., 1996, The mechanical properties of materials with interconnected cracks: Geophysical Journal International 124 105-112.
4. Kendall, R. R. and Davis, T. L., 1996, The cost of acquiring shear-waves: The Leading Edge 15 943-944.
5. Li, Y.-G., Leary, P. C., Aki, K., 1990, Ray series modeling of seismic wave travel times and amplitudes in three-dimensional heterogeneous anisotropic crystalline rock: Borehole vertical seismic profiling seismograms from the Mohave desert, California: Journal of Geophysical Research 95 11, 225-l1, 239.
6. Mallick, S. and Frazer, L. N., 1991, Reflection/transmission coefficients and azimuthal anisotropy in marine seismic surveys: Geophysical Journal International 105 241-252.
7. Queen, J., and Rizer, W., 1990, An integrated study of seismic anisotropy and the natural fracture system at the Conoco Borehole test facility, Kay county, Oklahoma: Journal of Geophysical Research 95 11, 255-11, 273.
8. Rathore, J. S., Fjaer, E., Holt, R. M. and Renhe, L., 1995, P- and S-wave anisotropy of a synthetic sandstone with controlled crack geometry: Geophysical Prospecting 43 (6) 711-728.
9. Winterstein, D. F., and Meadows, M. A., 1991a, Shear-wave polarisations and subsurface stress directions at Lost Hills field: Geophysics 56 (9) 1331-1348.
10. Winterstein, D. F., and Meadows, M. A., 1991b, Changes in shear-wave polarisation azimuth with depth in Cymric and Railroad Gap oil fields: Geophysics 56 (9) 1349-1364.