Method and apparatus for measuring particle size distribution in drilling fluid
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United States of America Patent
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Apr 23, 2013
Grant Date -
Aug 11, 2011
app pub date -
Oct 21, 2009
filing date -
Oct 23, 2008
priority date (Note) -
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Abstract
A method for measuring particle size distribution in a fluid material, involving inserting a laser beam instrument directly in the fluid flow line, wherein the laser beam instrument focuses a laser beam on a window directly coupled with the fluid flow line, wherein the fluid flow line comprises a fluid having a plurality of particles of different sizes, measuring a diameter of at least one particle in the fluid flow line by reflectance of the at least one particle as the at least one particle passes through the focused laser beam, and determining a duration of reflection of the at least one particle, and obtaining a count of particles in each of a pre-set range group of particle sizes, wherein the count of particles is used to determine particle size distribution in the fluid flow line.
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