Gamma ray generator
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United States of America Patent
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May 14, 2013
Grant Date -
Oct 7, 2010
app pub date -
Apr 7, 2010
filing date -
Apr 7, 2009
priority date (Note) -
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Abstract
An instrument for performing measurements downhole, includes an irradiator oriented to irradiate sub-surface materials surrounding the instrument, the irradiator including at least one neutron source disposed proximate to a moderator for providing a source of inelastic gamma photons and also disposed proximate to a material for providing a source of capture gamma photons; and a first detector and a second detector, each detector for detecting gamma rays and oriented in a relationship to the irradiator for receiving gamma photons from at least one of the irradiator and the formation. A method for irradiating sub-surface materials is provided.
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