Induced polarization logging with borehole to surface electromagnetic transmitter
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United States of America Patent
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Jul 4, 2017
Grant Date -
Jul 24, 2014
app pub date -
Mar 21, 2014
filing date -
Apr 20, 2011
priority date (Note) -
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Abstract
An electromagnetic energy transmitter is provided for induced polarization logging with a borehole to surface electromagnetic (BSEM) transmitter. The transmitter is lowered into a well borehole to a desired location in a well borehole to emit electromagnetic energy for the surveys. The transmitter affords more accurate measurements of its position in the well borehole. The transmitter also senses pressure and temperature conditions at its borehole location to provide indications of detected potential problems in the well from the survey or other sources, and to reduce risks and enhance safety and quality of the operations.
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