Well logging means and method for determining water saturation of a petroleum reservoir having two transmitters and two receivers
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United States of America Patent
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Sep 8, 1987
Grant Date -
N/A
app pub date -
Feb 27, 1985
filing date -
Feb 27, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method and apparatus determining the water saturation of a petroleum reservoir earth formation include transmitting electromagnetic energy in the earth formation from within a borehole traversing the earth formation and at least two frequencies within a preferred range of frequencies. The electromagnetic energy is received at two locations from the earth formation and within the borehole. The water saturation of the earth formation is derived from the received electromagnetic energy.
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