Method for Determining the Stability of a Petroleum Product Containing Asphaltenes
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United States of America Patent
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Sep 14, 2017
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Aug 13, 2015
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Aug 14, 2014
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Abstract
The invention relates to a method for determining a parameter representative of the stability of an asphaltene-containing petroleum product, said petroleum product being an effluent derived from a hydrocarbon feedstock conversion process or being a mixture of hydrocarbons, using proton NMR to determine a threshold value of said parameter representative of the stability, this threshold value constituting a boundary between a stability domain and an instability domain of a petroleum product. According to the invention, the parameter representative of the stability is a T2mean/T1mean or T1mean/T2mean ratio. The invention also relates to a method for monitoring a conversion process, in particular a deep conversion process, or a mixture of hydrocarbons, using this method of determination.
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