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Keywords: lbfg algorithm
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-90058-MS
... of the LBFGS updating formula for the inverse Hessian matrix calculation. automatic history search direction reservoir simulation lbfg algorithm normalized step size step size matrix history implementation 1 iteration upstream oil & gas model parameter optimization problem objective...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-90896-MS
... Abstract The limited memory Broyden-Fletcher-Goldfarb-Shanno (LBFGS) is an ideal optimization algorithm for large-scale automatic history matching problems. In previous work, we applied the LBFGS algorithm to condition a model of the Tengiz reservoir generated from static data to buildup...

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