Analytical methods and apparatus for measuring the oil content of sponge core
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United States of America Patent
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Sep 19, 1989
Grant Date -
N/A
app pub date -
Apr 14, 1988
filing date -
Apr 14, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and apparatus are disclosed for determining oil saturation in sponge coring using solvents which dissolve substantially all of the oil but none of the sponge. Two classes of such solvents are specified. One is aprotic, and the resultant concentration of oil in it is measured by proton NMR spectroscopy. The other has no C--H bonds, and the resultant concentration of oil in it is measured by infrared spectroscopy.
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