Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Chemical analysis
Patent
1999-12-09
2000-08-22
Assouad, Patrick
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Chemical analysis
703 10, G01F 2300
Patent
active
061086088
ABSTRACT:
Disclosed is a method for estimating properties of a multi-component fluid using pseudocomponents. The fluid is characterized using a set of base components and a set of fluid compositions is defined that corresponds to fluid compositions expected to occur in computations of interest. Pseudocomponents are defined to represent the multi-component fluid by (i) defining an ordered set of vectors corresponding to a characteristic of the base components, each vector containing one entry for each base component, the first vector being most representative of the set of compositions according to a predetermined criterion and each vector thereafter in the set being less representative of the set of compositions than the vector before it, and (ii) selecting a subset of the ordered set that comprises the first vector and a predetermined number of vectors immediately thereafter, the subset of vectors corresponding to a pseudocomponent characterization of the multi-component fluid.
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Assouad Patrick
ExxonMobil Upstream Research Company
Lawson Gary D.
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