Predicting solvent power of light oils
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United States of America Patent
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Nov 24, 2020
Grant Date -
Mar 2, 2017
app pub date -
Aug 17, 2016
filing date -
Sep 1, 2015
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Abstract
A method for recalculating the solvent power of a light oil, SP(LO recalculated), is provided. The method comprises:
- titrating the light oil against a reference oil, optionally in the presence of a titrant, to determine a volume fraction of the light oil at the onset of asphaltene precipitation, V(onset fraction LO), a volume fraction of the reference oil at the onset of asphaltene precipitation, V(onset fraction RO), and, where a titrant is present, a volume fraction of the titrant at the onset of asphaltene precipitation, V(onset fraction T), anddetermining the recalculated solvent power of the light oil, SP(LO recalculated), according to the following formula:
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