| 摘要 |
The present disclosure relates to borehole logging methods and apparatuses for estimating at least one parameter of interest of an earth formation using nuclear radiation, particularly by detecting interactions between the earth formation and an activated radiation source. The method may include using nuclear radiation information from at least one nuclear radiation sensor to estimate a parameter of interest. The method may include separating a gross nuclear radiation count into separate nuclear radiation components. The method may also include activating a part of a downhole tool with neutron radiation. The apparatus may include at least one nuclear radiation sensor. The apparatuses may include an information processing device to perform the methods.
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