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    Novel gamma ray spectral analysis for loggingwhile-drilling

    Access Status
    Fulltext not available
    Authors
    Hooshyari Far, I.
    Kepic, Anton
    Carson, M.
    Date
    2016
    Type
    Conference Paper
    
    Metadata
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    Citation
    Hooshyari Far, I. and Kepic, A. and Carson, M. 2016. Novel gamma ray spectral analysis for loggingwhile-drilling, in Proceeding of the Near Surface Geoscience, 1st Conference on Geophysics for Mineral Exploration and Mining, Sep 4-8 2016. Barcelona, Spain: EAGE.
    Source Title
    1st Conference on Geophysics for Mineral Exploration and Mining, Near Surface Geoscience 2016
    ISBN
    9789462821958
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/60814
    Collection
    • Curtin Research Publications
    Abstract

    Gamma-ray logging is not well appreciated in the mining industry due to the challenge of collecting high quality spectral information. Hence spectrum analysis is not well-developed in this area as well. We have developed a new logging while drilling approach which will allow a borehole to be logged without the necessity of either deploying wireline tools or employing the use of a radioactive source. The slow progress of the drill bit in diamond core drilling allows sufficient time for a suitable detector to accumulate a useful energy spectrum of naturally occurring radiation. In this paper we express the view that different regions of this spectrum are sensitive to variations in lithology. This technique shows that Ratio of two parts of spectrum is depend on average atomic number of the medium. Since the new technology provides us a high quality spectrum, we can use this method to target mineral zones in surrounding rocks as they have higher atomic numbers.

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