Pour point detection

Details Pour point detection Pour point detection

1991-01-08

1992-02-25

Yasich, Daniel M.

Thermal measuring and testing

Transformation point determination

By change in pressure of flow rate

73 641, 374 16, G01N 2502

Patent

active

050908170

ABSTRACT:
The present invention relates to an apparatus and process for estimating the pour point of a hydrocarbon oil. The pour point of hydrocarbon oil gives an indication of its low temperature properties, and is determined according to the time-consuming procedures set out in the American Society of Testing and Materials (ASTM) test D-97. The present invention generally provides a convenient means to estimate the pour point of a hydrocarbon oil, by directing a flow of pressurized gas towards a sample of the oil, and determining the warmest temperature at which the gas flow does not cause a substantial surface wave on the oil surface.

REFERENCES:
patent: 3122911 (1964-03-01), Conklin
patent: 3161039 (1964-12-01), Kapff
patent: 3442116 (1969-05-01), Brown
patent: 3491582 (1970-01-01), Kleiss
patent: 4484821 (1984-11-01), Willcock
patent: 4946288 (1990-08-01), Siska et al.

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