Method and apparatus for safely operating radiation generators in while-drilling and while-tripping applications
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United States of America Patent
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Nov 18, 2003
Grant Date -
Apr 4, 2002
app pub date -
Aug 17, 2001
filing date -
Sep 29, 2000
priority date (Note) -
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Abstract
A method is disclosed for operating a well logging tool having a controllable radiation source operatively coupled to a power source. The method includes monitoring at least one condition in a wellbore, and operatively disconnecting the power source from the radiation source when the at least one condition changes. Also disclosed is a downhole measurement assembly, which includes a radiation source, a power source, and at least one interlock operatively connected between the power source and the radiation source, where the at least one interlock is adapted to selectively arm and disarm the radiation source.
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