Basic Nuclear Physics for Logging Applications: Gamma Rays

  • Darwin V. Ellis
  • Julian M. Singer

In the preceding chapters, electrical devices are seen to respond primarily to the fluid content of earth formations. They are not used, therefore, to obtain information about the predominant constituent of formations, the rock matrix. Nuclear measurements used in logging respond to properties of both the formation and the contained fluids. These measurements employ gamma rays and neutrons. These two types of penetrating radiation are the only ones which are able to traverse the pressure housings of the logging tools and the formation of interest and still return a measurable signal.

Keywords

Porosity Attenuation Petroleum Sandstone Germinate 

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978-1-4020-4602-5_10_MOESM10_ESM.pdf (1.4 mb)
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Copyright information

© Springer Science+Business Media B.V 2007

Authors and Affiliations

  • Darwin V. Ellis
    • 1
  • Julian M. Singer
    • 2
  1. 1.Schlumberger-Doll ResearchRidgefieldUSA
  2. 2.RichmondUK

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