The profile of isotope suction was affected by a lot of
factors. These factors would have a certain impact on the
precision of data interpretation. These factors were investigated
and analyzed , such as isotope pollution ,formation contaminant ,
the density of isotope carrier ,the diameter of isotope carrier ,the
depth and the time of isotope released , the logging time , the
construction method , tube corrosion etc. , from a large amount of
logging data. And the corresponding method and the evidence
were advanced for identification and correction about various of
influencing factors.
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