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Understanding Seismic Anisotropy in Exploration and Exploitation, Second Edition Second Edition

by Leon Thomsen (Author, Editor)
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Understanding Seismic Anisotropy in Exploration and Exploitation (second edition) by Leon Thomsen is designed to show you how to recognize the effects of anisotropy in your data and to provide you with the intuitive concepts that you will need to analyze it. Since its original publication in 2002, seismic anisotropy has become a mainstream topic in exploration geophysics. With the emergence of the shale resource play, the issues of seismic anisotropy have become central, because all shales are seismically anisotropic, whether fractured or not. With the advent of wide-azimuth surveying, it has become apparent that most rocks are azimuthally anisotropic, with P-wave velocities and P-AVO gradients varying with source-receiver azimuth. What this means is that analysis of such data with narrow-azimuth algorithms and concepts will necessarily fail to get the most out of this expensively acquired data. The issues include not only seismic wave propagation, but also seismic rock physics. Isotropic concepts including velocity, Young s modulus, and Poisson s ratio have no place in the discussion of anisotropic rocks, unless qualified in some directional way (e.g., vertical Young s modulus). Likewise, fluid substitution in anisotropic rocks, using the isotropic Biot/Gassmann formula, leads to formal errors, because the bulk modulus does not appear, in a natural way, within the anisotropic P-wave velocity. This updated edition is now current as of 2014.
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  1. ISBN-10
    1560803266
  2. ISBN-13
    978-1560803263
  3. Edition
    Second Edition
  4. Publisher
    The Society of Exploration Geophysicists
  5. Publication date
    October 1, 2014
  6. Language
    English
  7. Print length
    304 pages
  8. See all details
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About the Author

Leon Thomsen holds degrees in geophysics from Caltech (BS, 1964) and Columbia (PhD, 1969). His academic career began with postdoctoral appointments at French National Center for Scientific Research (CNRS) in Paris, and at Caltech, followed by faculty appointments (with tenure) at the State University of New York at Binghamton (1972 80). Thomsen's industrial career began in 1980, at Amoco s famous Tulsa Research Center. In 1995, he moved to Amoco s Worldwide Exploration Group in Houston, to help implement the ideas (e.g., AVO) that he had earlier helped to invent. Following the 1999 merger, he served in BP s Exploration and Production Technology Group in Houston as Principal Geophysicist and Senior Advisor. Following retirement from BP in 2008, he remains professionally and scientifically active as Chief Scientist of Delta Geophysics, as Research Professor at the University of Houston, and as Visiting Scientist at Lawrence Berkeley National Laboratory.

Product details

  • Publisher ‏ : ‎ The Society of Exploration Geophysicists; Second Edition (October 1, 2014)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 304 pages
  • ISBN-10 ‏ : ‎ 1560803266
  • ISBN-13 ‏ : ‎ 978-1560803263
  • Item Weight ‏ : ‎ 2.15 pounds

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