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Keywords: vandermonde matrix
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Proceedings Papers

Paper presented at the SPETT 2012 Energy Conference and Exhibition, June 11–13, 2012
Paper Number: SPE-156278-MS
... & gas correlation coefficient pressure transient analysis pressure transient testing dimensionless length spe 157278 vandermonde matrix drainage area side directional drilling drillstem/well testing prediction productivity drilling operation drainage area estimation equation pseudo-skin...
Proceedings Papers

Paper presented at the Trinidad and Tobago Energy Resources Conference, June 27–30, 2010
Paper Number: SPE-132324-MS
... of brine quantity that remains in the oil, its salinity (in vol% of sodium chloride concentration) and temperature using an Arrhenius-type asymptotic exponential function and Vandermonde matrix. The proposed method predicts the Salinity of Salty Crude Oil for temperatures up to 373 K and sodium chloride...
Proceedings Papers

Paper presented at the Trinidad and Tobago Energy Resources Conference, June 27–30, 2010
Paper Number: SPE-132403-MS
... strength up to 3.6 and pH values ranging between 5.5 and 8. The predicted values are found to be in good agreement with the reported data with average absolute deviations being less than 2.6%. The proposed tool is superior owing to its accuracy and clear numerical background based on Vandermonde matrix...
Proceedings Papers

Paper presented at the Trinidad and Tobago Energy Resources Conference, June 27–30, 2010
Paper Number: SPE-132311-MS
... and j . The determinant of a square Vandermonde matrix (where m = n ) can be expressed as [ 17 ]: (8) det ( V ) = ∏ 1 ≤ i < j ≤ n ( α j − α i ) The Vandermonde matrix evaluates a polynomial at a set of points; formally, it transforms coefficients...

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