Rock and fluid properties prediction from downhole measurements using linear and nonlinear regression
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United States of America Patent
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Jan 10, 2012
Grant Date -
May 14, 2009
app pub date -
Dec 3, 2008
filing date -
Mar 18, 2004
priority date (Note) -
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Abstract
Measurements of fluorescence spectra of fluid samples recovered downhole are processed to give the fluid composition. The processing may include a principal component analysis followed by a clustering method or a neutral network. Alternatively the processing may include a partial least squares regression. The latter can give the analysis of a mixture of three or more fluids.
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