Variable intensity memory gravel pack imaging apparatus and method
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United States of America Patent
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Jun 13, 2006
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N/A
app pub date -
Apr 28, 2003
filing date -
Nov 22, 1999
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Abstract
An apparatus and method are provided for varying an operating parameter for a nuclear gamma ray tool for evaluating the integrity of gravel packing. The gamma ray outpat intensity and area of investigation are altered by changing a source housing geometry and the material from which the source housing is made. An actuator is provided to slide a variable electron density sleeve over the source and to vary the area of investigation by changing the distance between the source and a detector.
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