Optics: measuring and testing – Oil testing
Patent
1996-05-29
1998-11-03
Rosenberger, Richard A.
Optics: measuring and testing
Oil testing
356336, 356342, G01N 3328
Patent
active
058317210
ABSTRACT:
Methods and apparatus utilizing back scattered laser light measurement techniques for the measurement of particle size distribution in a fluid are disclosed. Such methods and apparatus are particularly suited for but not limited to the measurement of sub-micron particle size distribution in fluids such as petroleum fluids which are colored or opaque and strongly absorptive of incident light. Utilizing an optical transceiver partly immersed in the fluid, the methods and apparatus include provision for the measurement of particle size distribution while the fluid is subjected to conditions of high pressure and/or high temperature.
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Thomas et al "Experimental and theoretical studies of solids precipitation from reservoir fluid" Journal of Canadian Petroleum Technology, vol. 31, No. 1, pp. 22-31, Jan. 1992.
MacMillan et al. "A Unified Approach to Asphaltene Precipitation: LaLoratory Measurement and Modeling". SPE 28990. pp. 471-480, Feb. 1995.
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