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Volume 29 Issue 6
Nov 2018
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Leon Thomsen. On the Fluid Dependence of Seismic Anisotropy: Beyond Biot-Gassmann. Journal of Earth Science, 2018, 29(6): 1335-1339. doi: 10.1007/s12583-017-0806-9
Citation: Leon Thomsen. On the Fluid Dependence of Seismic Anisotropy: Beyond Biot-Gassmann. Journal of Earth Science, 2018, 29(6): 1335-1339. doi: 10.1007/s12583-017-0806-9

On the Fluid Dependence of Seismic Anisotropy: Beyond Biot-Gassmann

doi: 10.1007/s12583-017-0806-9
More Information
  • Corresponding author: Leon Thomsen
  • Received Date: 31 Oct 2016
  • Accepted Date: 20 Dec 2016
  • Publish Date: 01 Dec 2018
  • This work addresses the question of the fluid dependence of the non-dimensional parameters of seismic anisotropy. It extends the classic theory of the fluid-dependence of elasticity, and applies the approximation of weak seismic anisotropy. The analysis shows that reliance upon the classic theory leads to oversimplified conclusions. Extending the classic theory introduces new parameters (which must be experimentally determined) into the conclusions, making their application in the field context highly problematic.

     

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  • Backus, G. E., 1962. Long-Wave Elastic Anisotropy Produced by Horizontal Layering. Journal of Geophysical Research, 67(11): 4427–4440. https://doi.org/10.1029/jz067i011p04427
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    Gassmann, F., 1951. Űber die Elastizität Poroser Medien, Mitteilungen Inst. Geophysik (Zurich), 17: l–23. Translated and Reprinted as: On elasticity of Porous Media, in Classics of Elastic Wave Theory. Pelissier, M. A., ed., Soc. Expl. Geoph., Tulsa
    Hart, D. J., Wang, H. F., 2010. Variation of Unjacketed Pore Compressibility Using Gassmann's Equation and an Overdetermined Set of Volumetric Poroelastic Measurements. Geophysics, 75(1): N9–N18. https://doi.org/10.1190/1.3277664
    Thomsen, L., 1986. Weak Elastic Anisotropy. Geophysics, 51(10): 1954–1966. https://doi.org/10.1190/1.1442051
    Thomsen, L., 2010. On the Fluid Dependence of Rock Compressibility: Biot-Gassmann Refined. Soc. Expl. Geoph. Conv. Expnd. Absts., 80: 2447–2451 http://d.old.wanfangdata.com.cn/OAPaper/oai_doaj-articles_301e9c690ea982d66fa4e833f96e8d44
    Thomsen, L., 2012. On the Fluid Dependence of the Parameters of Anisotropy. Soc. Expl. Geoph. Conv. Expnd. Absts., 82. https://doi.org/10.1190/segam2012-0393.1
    Thomsen, L., 2017. On the Fluid Dependence of Rock Compressibility: A Reconsideration, submitted to GEOPHYSICS, 2017.
    Tsvankin, I., Grechka, V., 2011. Seismology of Azimuthally Anisotropic Media and Seismic Fracture Characterization. Soc. Expl. Geoph., Tulsa. ISBN: 978-1560802280
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